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  • CsK2Sb depo chamber stuff
    [[media:depo chamber for pucks.pdf]] [[media:depo chamber designed by Russ and used by Mamun with stalks.pdf]]
    280 bytes (44 words) - 09:44, 24 October 2016
  • April 6, 2022 - HV chamber ME jobs
    ...g 14" HV chamber in UITF side-by-side layout comparison with coming 18" HV chamber) #* CEBAF HV chamber centerline is 13-3/4" above table
    661 bytes (88 words) - 07:03, 6 April 2022
  • GTS meeting 8 23 16
    * Once beam running is over, move the permanent magnet around the HV chamber. Check HV and FE after that to explore the effect on HV. ...it for the new chamber to arrive. Make sure everything is ready to put the chamber together in a very short time.
    1 KB (186 words) - 17:21, 23 August 2016
  • Bubble Chamber Beam Test Plans and Pre-Beam Checkouts October 2015
    '''Bubble Chamber Checklist''' *Fill chamber with C<sub>2</sub>F<sub>6</sub>
    358 bytes (51 words) - 13:52, 17 September 2015
  • Bubble Chamber Beam Test Plans October 2015
    '''Bubble Chamber Checklist''' * Fill chamber with C<sub>2</sub>F<sub>6</sub>
    367 bytes (51 words) - 07:31, 18 September 2015
  • Bubble Chamber Beam Tests
    * '''[[Bubble Chamber Beam Test May 2018]]''' * '''[[Bubble Chamber Beam Test August 2016]]'''
    201 bytes (28 words) - 09:41, 2 May 2018
  • Mar 23, 2022 - Update Meeting
    * HV chamber * Layouts for installing HV chamber in UITF and in CEBAF
    333 bytes (46 words) - 08:33, 22 March 2022
  • Spring/Summer SAD 2009
    We replaced the original Load Lock Gun (LLGUN) high voltage chamber with a spare INVGUN1 *Here is the work plans [[media:March 2009 – Replaced LLGUN HV chamber with INVGUN HV.docx]]
    184 bytes (30 words) - 16:27, 13 May 2019
  • Safety
    = Bubble Chamber = * ''Bubble Chamber: Safety and Systems Overview''
    227 bytes (26 words) - 10:59, 5 August 2013
  • Gun Test Stand documents and drawings
    :[[gun chamber drawings]] :[[CsK2Sb depo chamber stuff]]
    302 bytes (32 words) - 22:12, 28 March 2018
  • GTS meeting 10 24 16
    * The Gun HV chamber has been assembled, with the Black R30 inverted ceramic insulator, Yan's sh ...bolted to the cathode prep chamber gate valve. We need to evacuate the gun chamber and leak check the gate valve.
    518 bytes (91 words) - 13:00, 24 October 2016
  • Robust Meeting - Oct 16, 2020
    * Marcy or Mamun - Jobs when venting Prep chamber .../status for Mott scattering chamber [[media:201016_200 keV Mott Scattering Chamber Progress.pptx]]
    587 bytes (88 words) - 12:59, 16 October 2020
  • UITF Mott Apparatus
    =='''Vacuum Chamber'''==
    161 bytes (18 words) - 09:47, 26 April 2023
  • Anode flange prints and pictures
    *[[Media:ACC2003000-0336, LOAD LOCK GUN H.V. CHAMBER U.S. FLANGE, REV-.pdf]] ...Y, REV- apvd.pdf]] This is the flange used in Injector Phase 1 with 18" HV chamber gun
    875 bytes (132 words) - 08:41, 4 May 2022
  • Planning Meetings
    * '''[[Bubble Chamber Meeting Friday August 19, 2022]]''' * '''[[Bubble Chamber Meeting Tuesday August 17, 2021]]'''
    9 KB (1,008 words) - 13:57, 1 September 2022
  • Update meetings
    [[April 21, 2022 - HV chamber layout for installation in CEBAF]] [[April 13, 2022 - HV chamber layout for installation in CEBAF]]
    720 bytes (97 words) - 07:33, 22 June 2022
  • Bubble Chamber Readiness Review Meeting: Thursday September 11, 2014
    ...amber Safety Review: First week of December 2014 - to be able to bring the chamber on site and test it with a source. ...the chamber in the injector and do beam studies with the test beamline and chamber.
    785 bytes (120 words) - 17:50, 22 September 2014
  • GTS meeting 11 03 15
    ...for high voltage conditioning, and retracted the manipulator into the prep chamber. ...ion pump with valve and several viewports. The rest is blanked off for gun chamber bake
    1 KB (238 words) - 14:48, 3 November 2015
  • Wednesday December 10, 2014
    1- Bubble Chamber progress at Argonne * Bubble Chamber:
    921 bytes (134 words) - 17:50, 9 January 2015
  • Y-chamber Laser Window
    ===Plan to test and choose laser window under vacuum w/ y-chamber=== * vacuum chamber w/ small bread board => '''Marcy/Phil located ready in 1137'''
    1 KB (154 words) - 13:57, 6 October 2020
  • Wednesday February 18, 2015
    1- Bubble Chamber progress at Argonne * Bubble Chamber:
    1 KB (177 words) - 11:54, 24 February 2015
  • Gun chamber drawings
    [[Media:Vacuum Chamber Dimensions.pdf]]
    39 bytes (5 words) - 10:58, 23 September 2015
  • Beamline element details
    *chopping chamber design drawings: VAC5550124-1015 (not present in engineering database) **Chopping Chamber outer shell assembly [[Media:VAC5550124-1015.pdf]]
    1 KB (172 words) - 16:37, 6 March 2021
  • GTS meeting 10 06 15
    *[[media:parts list for sheep chamber.docx]] * Sheep Chamber
    1 KB (244 words) - 14:10, 6 October 2015
  • CIS-ASY-R30-1
    *18" HV chamber with WP NEG modules and perforated shield screen *[[Media:GTS gun chamber 2D drawing by Gary Hays.pdf]]
    1 KB (159 words) - 10:56, 20 December 2021
  • Bubble Chamber Reviews
    = '''Bubble Chamber Run - May 2018''' = * New procedure for operations, '''''Argonne Bubble Chamber Operations for Engineering Runs''''': [[media:TGT-PROC-18-001.pdf]]
    4 KB (503 words) - 13:06, 8 May 2018
  • Bubble Chamber Meeting Wednesday September 2, 2015
    1- Bubble Chamber progress at JLab * Bubble Chamber:
    871 bytes (131 words) - 08:30, 3 September 2015
  • Wednesday November 5, 2014
    1- Bubble Chamber progress at Argonne: [[media:Hg_Chamber_5Nov2014.pdf]] * Bubble Chamber:
    1 KB (157 words) - 11:32, 6 November 2014
  • Wednesday October 1, 2014
    1- Bubble Chamber progress at Argonne. * Bubble Chamber:
    1 KB (165 words) - 17:29, 1 October 2014
  • Apparatus
    * Mott chamber and target ladder [[Media:DT_L1527.pdf]]
    85 bytes (12 words) - 10:25, 18 November 2013
  • Bubble Chamber Meeting Wednesday April 6, 2016
    ...erson Lab Open House is on Saturday April 30, 2016. There will be a Bubble Chamber display (poster). ...2015. Need to re-submit a new one for approval with addendum of changes to chamber and 100 µA beam current.
    1 KB (175 words) - 11:43, 2 May 2016
  • Chopping System (200 kV upgrade)
    ...am chopping system is a pair (xy) RF deflecting cavities spanning a vacuum chamber with apertures to chop and define the beam. ;Chopping chamber upgrade
    581 bytes (83 words) - 14:42, 27 August 2020
  • GTS meeting 3 15 16
    * The cathode prep chamber along with the gun chamber have also being baked at 200 C for about 4 days. ** After activating the NEGs int he prep chamber, we are cooling down in preparation to remove the oven Wednesday morning.
    1 KB (184 words) - 13:34, 15 March 2016
  • Magnet
    # Mount vacuum chamber on its new alignment-adjustable stand # Mount the magnet-coil assembly to the vacuum chamber, and secure the magnet yoke with the Allen-head screws
    1 KB (194 words) - 15:23, 4 October 2021
  • Penfold-Liesss Unfolding
    Bubble Chamber collaboration, June 11 (2013) [[media:PL_Unfolding.pdf]]
    118 bytes (11 words) - 17:41, 17 July 2013
  • Tasks
    * <span style="font-size:100%"> '''[[Vacuum chamber]]''' </span>
    234 bytes (29 words) - 10:49, 23 February 2022
  • GTS meeting 2 02 21
    * Prep Chamber: (Mamun)- '''''Completed''''' [https://logbooks.jlab.org/entry/3869663] ** Clean Sb pellets off chamber
    859 bytes (117 words) - 10:47, 12 April 2021
  • Wednesday March 18, 2015
    1- Bubble Chamber progress at Argonne: * Bubble Chamber:
    1 KB (193 words) - 17:23, 18 March 2015
  • Mar 27 2024
    ...t pucks into the spherical electrode while still mounted to the gun vacuum chamber during S&A and laser retro-reflection checks in the LERF Lab 3A clean room. ** The R30-3 gun vacuum chamber was mounted by Neil Wilson and Bern Johnson on a sturdy 80/20 frame table w
    2 KB (265 words) - 17:10, 26 March 2024
  • Wednesday January 14, 2015
    1- Bubble Chamber progress at Argonne * Bubble Chamber:
    724 bytes (110 words) - 17:01, 20 January 2015
  • Viewers
    Garages for y chamber and laser chamber: https://misportal.jlab.org/jlabDocs/items/126403 JL0091130-0212-05
    803 bytes (110 words) - 11:20, 11 June 2021
  • GTS meeting 3 19 21
    * Prep Chamber: (Mamun)- '''''Completed''''' [https://logbooks.jlab.org/entry/3869663] ** Clean Sb pellets off chamber
    877 bytes (122 words) - 14:32, 12 April 2021
  • Robust Meeting - Sep 25, 2020
    * Reproduce Cornell activation at UITF Prep chamber * Eric/Joe - working mostly on Mott scattering chamber and spin
    598 bytes (82 words) - 14:18, 25 September 2020
  • Bubble Chamber Meeting Wednesday June 3, 2015
    1- Bubble Chamber progress at Argonne 2- Detection features of new bubble chamber: [[media:Detection_features_new_bubble_chamber.pdf]]
    2 KB (344 words) - 18:17, 4 June 2015
  • Summer SAD 2019
    *[[Gun2 Load Lock Chamber Replacement]] *[http://devweb.acc.jlab.org/CSUEApps/atlis/task/19463 Upgrade the loading chamber]
    1 KB (161 words) - 09:05, 12 August 2019
  • Bubble Chamber Meeting Wednesday May 18, 2016
    0- Bubble Chamber at Jefferson Lab Open House, Saturday April 30, 2016: ...2015. Need to re-submit a new one for approval with addendum of changes to chamber and 100 µA beam current.
    1,008 bytes (142 words) - 16:51, 18 May 2016
  • 6/11/18
    *Taking RGA spectra of the photogun chamber under vacuum to determine the concentrations of various gas species that ma *Create simulation of ion backbombardment in the gun chamber
    581 bytes (83 words) - 16:08, 11 June 2018
  • Gun assemblies, electrostatic models and field maps
    == T-shape Electrode Assemblies on R28 insulators in 14" diameter vacuum chamber== == Ball Electrode Assemblies on R30 insulators in 18" diameter vacuum chamber==
    1 KB (170 words) - 14:12, 6 February 2023
  • Oct 20, 2021 - Group Meeting
    * Marcy/Phil gun chamber vacuum work : NEG coat, when 1400's arrive, ports assigned * Danny/Shaun review vacuum chamber modifications
    662 bytes (93 words) - 21:12, 19 October 2021
  • May 1 2024
    ...ith 16/30 front end, surveyed and installed to 18" gun high voltage vacuum chamber on April 25 2024. This assembly is now R30-4. * R30 gun high voltage chamber supporting fixture
    2 KB (300 words) - 14:50, 10 May 2024
  • Research & Design
    '''[[Bubble Chamber]]'''
    245 bytes (39 words) - 14:35, 8 July 2015
  • 18" gun build status as of October 04 2022
    *Vacuum chamber was cleaned, but NEG coating left untouched *Vacuum chamber was baked with extractor gauge for monitoring
    1 KB (188 words) - 07:39, 5 October 2022
  • September 18, 2020 Meeting Minutes
    ...beam creates ions, which impact the PC and produce SEY, which hit the gun chamber/beam pipe and produce radiation -- for a given electron beam current, what ...m and Arsenic, while they exist, cannot penetrate the thickness of the gun chamber and beam pipe and thus, cannot be detected by the radiation monitors...or a
    1 KB (212 words) - 14:46, 20 September 2020
  • Drawings
    * GTS gun HV chamber [[Media:Vacuum Chamber Dimensions.pdf]] '''We are using the Kurt J Lesker 18" HV chamber for the CIS-ASY-R30-3 200 kV Gun'''
    1 KB (172 words) - 08:25, 4 May 2022
  • GTS meeting 9 15 15
    Some pictures of the load-lock chamber installation are in the powerpoint file below.
    140 bytes (21 words) - 09:24, 16 September 2015
  • April 13, 2022 - HV chamber layout for installation in CEBAF
    # Verify HV chamber dimensions #*Do you have HV chamber prints from Lesker?
    2 KB (298 words) - 08:58, 13 April 2022
  • Vacuum chamber
    * Add (tack weld?) fixtures to the vacuum chamber for S&A tooling ...er to S&A for fiducial (locate top flange, and anode flange with repost to chamber z-axis.
    2 KB (326 words) - 12:36, 31 March 2022
  • 6/7/18
    *Taking RGA spectra of the photogun chamber under vacuum to determine the concentrations of various gas species that ma *Create simulation of ion backbombardment in the gun chamber (perhaps using Poisson Superfish and Parmela? Another option is to use Pyth
    624 bytes (93 words) - 14:16, 7 June 2018
  • GTS meeting 3 29 21
    * Prep Chamber: (Mamun)- '''''Completed''''' [https://logbooks.jlab.org/entry/3869663] ** Clean Sb pellets off chamber
    1 KB (143 words) - 14:32, 12 April 2021
  • Wednesday March 5, 2014
    1- Bubble Chamber progress at Argonne 2- Bubble Chamber Schedule at JLab
    1 KB (244 words) - 13:40, 28 March 2014
  • Bubble Chamber Meeting Wednesday February 17, 2016
    ...b Open House is scheduled on April 30, 2016. There is a request for Bubble Chamber display. Any ideas? 2- Bubble Chamber work at ANL: [[media:Single_Fluid_Concept_First_Images.pdf]] [[media:Single
    870 bytes (131 words) - 09:39, 25 February 2016
  • October 5, 2020 - Laser vacuum window
    :New y-laser chamber [[media:thumbnail_IMG_20201002_094527437.jpg]] * Discuss a plan to test and choose laser window under vacuum w/ y-chamber
    738 bytes (94 words) - 13:41, 2 October 2020
  • Bubble Chamber Meeting Thursday March 22, 2018
    * Bubble Chamber arrived at JLab March 9th * Bubble Chamber Beam Requirements:
    997 bytes (133 words) - 08:38, 23 March 2018
  • September 2, 2020 - CIS planning meeting
    ...=btiSvi&CID=e91cf875-0f77-4d07-561c-9c7a3264328d Options for gun through y-chamber]
    274 bytes (45 words) - 08:46, 2 September 2020
  • Wednesday May 14, 2014
    1- Bubble Chamber progress at Argonne : Prep work for chamber
    2 KB (239 words) - 13:34, 20 May 2014
  • May 26, 2017 - 200kV gun upgrade meeting
    ===Diagnostics Chamber Installation ===
    1,023 bytes (145 words) - 10:05, 26 May 2017
  • 200 kV gun
    ; High voltage test => evaluate onset of field emission in small HV chamber with tee electrode ; Gun work => replace cathode in small HV chamber with small shed and tee electrode
    932 bytes (146 words) - 10:02, 2 September 2020
  • Bubble Chamber Meeting Thursday February 8, 2018
    * Bubble Chamber work at ANL * Neutron count rate made with single fluid chamber over a period of 1.5 months: [[media:Bubble_neutronrate_Feb2018.pdf]]
    1 KB (172 words) - 10:29, 9 February 2018
  • October 29, 2014 - CIS Group Meeting
    * Bubble chamber - Riad, can you tell us your straw man schedule for Bubble activities from * Bubble Chamber Schedule:
    2 KB (318 words) - 09:18, 29 October 2014
  • June 17, 2020 - 200 kV gun options
    #Replace HV chamber with larger 300 kV HV chamber (TL-1137 or GTS)
    677 bytes (101 words) - 10:34, 17 June 2020
  • Nov 16, 2021 - Group meeting
    * Marcy/Bubba/Phil - path forward on vacuum chamber modification/assembly * Danny/Gary/Shaun - vacuum chamber layout/update for UITF and CEBAF
    824 bytes (120 words) - 15:53, 16 November 2021
  • Designs
    * 14" Chamber: ACC-200-3000-0301 [[Media:HV chamber gun 14" diameter drawing.pdf]] * 18" Chamber:
    3 KB (442 words) - 11:18, 12 June 2023
  • Wednesday April 16, 2014
    1- Bubble Chamber progress at Argonne 2- Bubble Chamber Schedule at JLab [[media:141409_BubbleDemoInstall.pdf]] [[media:141409_Bubb
    1 KB (157 words) - 10:22, 26 April 2014
  • Wednesday April 15, 2015
    1- Bubble Chamber progress at Argonne * Bubble Chamber:
    2 KB (367 words) - 08:55, 22 April 2015
  • GTS meeting 2 21 17
    1. Bakes of the beam line and prep chamber are complete. Perp chamber baseline pressure is 14 nA, beam line is below 1 nA in two ion pumps, one p 2. Mamun is working on setting up the chamber for making a cathode, doing puck heat cleans, hooking up I&C, etc.
    1 KB (218 words) - 15:26, 21 February 2017
  • Bubble Chamber Meeting Wednesday June 22, 2016
    ...2015. Need to re-submit a new one for approval with addendum of changes to chamber and 100 µA beam current. 3- Bubble Chamber work at ANL
    846 bytes (126 words) - 17:15, 5 October 2016
  • Wednesday March 26, 2014
    1- Bubble Chamber progress at Argonne ...ber_Schedule.pptx]]. What about a dry run at JLab? We can bring the Bubble Chamber from HIGS to JLab for background studies with no beam.
    2 KB (327 words) - 15:38, 1 April 2014
  • July 18, 2019 - Weekly AIPINJ Meeting
    #Reza - status on Y-chamber dipole
    266 bytes (34 words) - 09:25, 18 July 2019
  • May 17, 2022 - updates
    #*Marcy and Carlos looked at the screen sections fit inside the HV chamber, Carlos to talk to Bubba for making new screen sections. Goal is to finish ...and his model, but that means the 18" HV chamber is longer than the 14" HV chamber by 0.78".
    2 KB (304 words) - 15:17, 17 May 2022
  • June 2, 2017 - 200kV gun upgrade meeting
    : Installing HV chamber ...Dahlberg earmarking last week June, or first week July for as-found of HV chamber, will account minor diff w/ X/Y/PITCH/YAW w/ table
    2 KB (279 words) - 10:29, 2 June 2017
  • Bubble Chamber Meeting Wednesday August 5, 2015
    1. Bubble Chamber progress at JLab * Bubble Chamber:
    2 KB (316 words) - 11:14, 6 August 2015
  • Bubble Chamber Meeting Thursday January 11, 2018
    * Bubble Chamber work at ANL: [[media:ANL_Bubble_11Jan2018.pptx]] [[media:ANL_Bubble_11Jan20 * Bubble Chamber Beam Requirements: [[media:Bubble_BeamReq_CASA_Jan2018.pdf]] [[media:Bubble
    779 bytes (103 words) - 10:32, 5 April 2018
  • May 25, 2022 - updates
    ...and his model, but that means the 18" HV chamber is longer than the 14" HV chamber by 0.78". #*[[Media:14" HV chamber CEBAF injector vacuum piping dimensions.pptx]]
    2 KB (276 words) - 08:36, 25 May 2022
  • GTS meeting 9 13 16
    * Prep Chamber ...ports were solvent cleaned and the view ports are already installed on the chamber and on top and bottom flanges.
    3 KB (478 words) - 14:53, 13 September 2016
  • Mar 20 2024
    **Objective 1: Establish gun chamber Z axis using the anode as US aperture and flange as DS aperture ...2: Establish spherical electrode Z axis while on a fixture outside the gun chamber
    2 KB (289 words) - 16:33, 26 March 2024
  • February 6, 2020 - Mechanical engineering
    We'll meet at 9am TL-2236 for chopping chamber, then transition into weekly ME meeting ==Chopping Chamber Agenda==
    2 KB (260 words) - 16:21, 5 February 2020
  • 18" Photogun ala GTS
    *The gun high voltage chamber is 18 " diameter compared to CEBAF's 14 " diameter. *The vacuum chamber accommodates an R30 inverted insulator with spherical electrode and shed.
    3 KB (480 words) - 10:21, 5 October 2022
  • GTS meeting 10 11 16
    ...g the extractor gauge (checking to make sure it will not protrude into the chamber volume, the Kr leak valve, etc. # The prep chamber top heater has been lengthened, as well as the mask rod. Mamun and Yan are
    2 KB (277 words) - 08:31, 21 October 2016
  • CIS-ASY-R30-3
    * 18" HV chamber NEG coated and originally built with WP NEG modules and wire mesh screen ...unusual voltage induced gas desorption. We suspect due to thee NEG coated chamber
    857 bytes (135 words) - 14:48, 28 February 2022
  • GTS meeting 9 25 15
    *Sheep chamber In order to bake the cathode prep chamber along with the gun vacuum chamber, it needs to be under vacuum.
    2 KB (342 words) - 11:33, 25 September 2015
  • 18" high voltage chamber history
    ...white R30 insulator removed from UITF beam line and replaced with 14" gun chamber + black R28 insulator with Gabriel's T-shape electrode shed design [https:/
    1 KB (135 words) - 15:12, 4 October 2022
  • GTS meeting 4 12 16
    * Cathode prep chamber ** The Cs and the K ampules have been crushed.... and the chamber is still leak tight!
    1 KB (206 words) - 14:04, 12 April 2016
  • Thursday September 4, 2014
    1- Bubble Chamber progress at Argonne: [[media:Cooled_Hg_Cell.pdf]] [[media:NPD-20-107W-CONCE * Bubble Chamber:
    754 bytes (108 words) - 08:51, 16 September 2014
  • Bubble Chamber Meeting Wednesday October 7, 2015
    1- Bubble Chamber removal and shipping back to ANL * Bubble Chamber Removal:
    2 KB (312 words) - 16:10, 18 November 2015
  • PenetrationALH
    Exit: Above Laser hut, ~across for where Y-chamber would be.
    214 bytes (28 words) - 17:15, 1 March 2021
  • 200 kV Gun - Jan 26, 2022
    ==Vacuum Chamber==
    1 KB (176 words) - 23:22, 26 January 2022
  • 200kV Wien filter - FINAL
    ...y/3855679 Wien filter 200 keV upgrade tasks update 10/26/20->H Wien filter chamber fixed magnet now fits, fixtures assembled] ...y/3855302 Wien filter 200 keV upgrade tasks update 10/21/20->H Wien filter chamber back to the shop for lug skimming]
    1 KB (173 words) - 10:03, 19 November 2020
  • Winter SAD 2022
    === Vent Mott chamber === * Vent chamber slowly for existing gold target
    2 KB (377 words) - 18:30, 18 January 2022
  • Magnets
    ...p request #326341] and drawings to fabricate (2) FD solenoids for chopping chamber
    361 bytes (50 words) - 09:51, 22 October 2015
  • August 8, 2019 - Weekly AIPINJ Meeting
    #status of Y-chamber...is it leak free, how did the bake go? NEGs ordered good, do you want a n #status of Load chamber...parts from machine shop look OK? order those strap nuts yet? wait too
    754 bytes (134 words) - 17:00, 7 August 2019
  • AIPINJ - S&A Transmittals
    ; Pre-SAD as-found of Gun chamber, table, 2I pedestal and Y-chamber (Sep 23, 2020)
    958 bytes (135 words) - 15:01, 6 April 2021
  • Spring 2021 - Rebuilding Photogun
    ===Depo chamber : Replace schneedle, fix pucks, opportunistic jobs=== * Vent Depo Chamber
    4 KB (647 words) - 19:30, 25 May 2021
  • Bubble Chamber Meeting Tuesday May 12, 2015
    1- Bubble Chamber progress at Argonne * Bubble Chamber:
    2 KB (378 words) - 09:37, 13 May 2015
  • April 26, 2022 - updates
    ...and his model, but that means the 18" HV chamber is longer than the 14" HV chamber by 0.78". #*[[Media:14" HV chamber CEBAF injector vacuum piping dimensions.pptx]]
    2 KB (312 words) - 08:45, 27 April 2022
  • Bubble Chamber
    would be based on a novel bubble-chamber technique, which makes use of the fact that a * <span style="font-size:150%"> '''[[Bubble Chamber Reviews]]''' </span>
    2 KB (286 words) - 10:13, 15 December 2015
  • Background and status as of July 1 2021
    ...er vacuum chamber, doped R30 insulator and spherical electrode. The vacuum chamber is NEG coated, and the anode is ...h 6 cm anode-cathode gap. The GTS 18" photo-gun does not have a NEG coated chamber, and the anode is larger than the CEBAF type, with holes for laser in/out.
    3 KB (480 words) - 15:15, 1 July 2021
  • Wednesday June 11, 2014
    1- Bubble Chamber progress at Argonne * PAC41 selected the Bubble Chamber as a '''''High Impact''''' experiment.
    3 KB (482 words) - 15:34, 1 July 2014
  • May the 4th, 2022 -updates
    ...and his model, but that means the 18" HV chamber is longer than the 14" HV chamber by 0.78". #*[[Media:14" HV chamber CEBAF injector vacuum piping dimensions.pptx]]
    2 KB (381 words) - 13:05, 16 May 2022
  • UITC Meeting - June 16, 2014
    2. Update on GTS chamber and beam line
    247 bytes (34 words) - 09:56, 16 June 2014
  • Bubble Chamber Meeting Thursday November 3, 2016
    * Bubble Chamber work at ANL: back to using C<sub>2</sub>F<sub>6</sub> * Updated procedure and TOSP for bubble chamber January 2017 C<sub>2</sub>F<sub>6</sub> test run:
    829 bytes (106 words) - 16:53, 3 November 2016
  • January 9, 2020 - Mechanical engineering
    -Plan for chopping choppers/chopping chamber
    329 bytes (45 words) - 18:09, 8 January 2020
  • Bubble Chamber Beam Test August 2016
    * Excel file that models thermodynamics of C<sub>2</sub>F<sub>6</sub> bubble chamber and estimates nucleation thresholds: [[media:ThresholdsC2F6.xlsx]]
    358 bytes (54 words) - 17:00, 2 June 2016
  • Wednesday September 4, 2013
    1- Bubble Chamber progress at Argonne 4- Bubble Chamber cost estimate: procurement and labor
    3 KB (502 words) - 09:55, 7 December 2013
  • Bubble Chamber Meeting Wednesday January 20, 2016
    * Bubble chamber simulation remaining tasks: * Next Bubble Chamber beam test will measure <sup>19</sup>F(γ,α)<sup>15</sup>N
    2 KB (242 words) - 15:00, 24 January 2016
  • June 16, 2017 - 200kV gun upgrade meeting
    ===Diagnostics Chamber Installation ===
    1 KB (221 words) - 09:01, 31 May 2017
  • Robust Meeting - May 14, 2021
    ** CEBAF depo chamber pics : https://logbooks.jlab.org/entry/3876517
    338 bytes (45 words) - 12:46, 14 May 2021
  • Mar 17, 2022 - Update Meeting
    * Vacuum chamber ** Phil - Anything else to be done to the chamber (fiducial fixtures? support base? etc.)
    3 KB (412 words) - 11:43, 17 March 2022
  • UITF Wien Filter
    ...cate coils, magnet (1010 steel), nickel (alloy 200) magnet mirror, vacuum chamber
    343 bytes (46 words) - 13:55, 19 August 2015
  • May 1, 2013
    3. Surveying scattering chamber, prepping for removal * Mott scattering chamber (3 space, 3 angle) tomorrow
    869 bytes (119 words) - 14:48, 1 May 2013
  • GTS meeting 4 12 21
    * Prep Chamber: (Mamun) * Gun HV Chamber: (Carlos)
    1 KB (153 words) - 10:06, 19 April 2021
  • Wednesday February 12, 2014
    1- Bubble Chamber progress at Argonne ...ntrol bubble chamber deadtime, do we want to stop the beam when the bubble chamber is not ready for next-event?
    2 KB (406 words) - 09:28, 26 February 2014
  • Bubble Chamber Meeting Wednesday July 1, 2015
    1- Bubble Chamber progress at Argonne * Bubble Chamber:
    1 KB (216 words) - 08:50, 8 July 2015
  • August 16, 2019
    ::Sep 9 (+4 wks) - HV chamber + 200kV beam to FC1 (PSS kicker, prebuncher, choppers, buncher, transmissio ::Oct 7 (+2 wks) - PSS cert + Laser upgrade + Docking chamber
    908 bytes (132 words) - 09:21, 16 August 2019
  • February 20, 2020 - Mechanical engineering
    ===Chopping Chamber=== *Keep solenoid chamber as shown
    2 KB (397 words) - 09:48, 21 February 2020
  • October 10, 2019 - Weekly AIPINJ Meeting
    == Marcy/Phil - plans for the Y-chamber (NEG coating, NEG flange, IP, window) ==
    884 bytes (130 words) - 09:58, 10 October 2019
  • Bubble Chamber Meeting Wednesday December 9, 2015
    2- Bubble Chamber work at ANL # Installation of chamber in Injector can be in:
    3 KB (416 words) - 10:51, 10 December 2015
  • 200kV Wien filter - V1
    :: * copy of ECO 1046 that has the analysis of the original vacuum chamber welds. : TOSCA model of air-side magnet assembly, that is (w/o Ni plates in vacuum chamber)
    3 KB (428 words) - 11:13, 4 March 2019
  • Wednesday October 23, 2013
    - Measure beam energy in the 5D line (Bubble Chamber mini-beamline) [[File:mini_beamline.jpg|none|500px|500px|alt=Bubble Chamber mini-beamline]]
    3 KB (460 words) - 15:38, 13 November 2013
  • GTS meeting 6 17 19
    # Remove GTS Photogun and its Preparation Chamber to be ready to install Thermionic Gun [http://opsweb.acc.jlab.org/CSUEApps/
    469 bytes (71 words) - 09:28, 17 June 2019
  • GTS meeting 10 31 16
    *'''Gun high voltage chamber is under vacuum''' ...a 1" double side flange to prevent the filament from protruding in the gun chamber (this is bad for high voltage conditioning).
    4 KB (628 words) - 12:17, 1 November 2016
  • GTS meeting 12 06 16
    # NEG modules (6 WP modules on bottom of chamber). Pre-activated in gun chamber, rinsed thoroughly to minimize dust * Mamun and Yan have made great progress with the photocathode preparation chamber'
    2 KB (328 words) - 17:54, 6 December 2016
  • Bubble Chamber Meeting Thursday May 3, 2018
    * Bubble Chamber Run Plan :: Does the Bubble Chamber equipment remain in the machine upon completion of the run this summer?
    2 KB (226 words) - 09:54, 18 May 2018
  • January 16, 2020 - Mechanical engineering
    :-modify drawing for Y-chamber 10" flange NEG supports :-coat y-chamber beam line pipe
    993 bytes (151 words) - 10:22, 15 January 2020
  • April 10, 2013
    == Removing Mott scattering chamber ==
    1 KB (202 words) - 14:50, 10 April 2013
  • Bubble Chamber Meeting Thursday February 22, 2018
    * Bubble Chamber work at ANL * Bubble Chamber Beam Requirements:
    2 KB (237 words) - 10:31, 5 April 2018
  • Wednesday July 9, 2014
    1- Bubble Chamber progress at Argonne * Bubble Chamber: still looking for a solution to the nucleation at the interface between me
    2 KB (329 words) - 17:20, 12 July 2014
  • March 11, 2017 - Summer SAD Kickoff Meeting
    ...SS/SS. Main goal is electrode design, but give some thought to testing HV chamber before dismantling. ...itself, then test w/ Ross probe, get TOSP ready for HV to Spellman, vacuum chamber, start discussion w/ software for EPICS application.
    2 KB (253 words) - 10:19, 13 March 2017
  • GTS meeting 10 20 15
    * Deposition chamber: ...n a 4-1/2" CF, and also a gate valve for the front (downstream) of the gun chamber.
    2 KB (312 words) - 14:30, 20 October 2015
  • GTS meeting 8 30 16
    * The gun and prep chamber have been vented, the gun removed and taken to the clean room in TL 1137 fo * Mamun and Yan are working on the cathode prep chamber, removing viewports for cleaning, stalk for modification, etc.
    2 KB (310 words) - 11:38, 31 August 2016
  • GTS meeting 3 1 16
    * The cathode prep chamber is under vacuum (~30 uA I/P) with two pucks (bulk GaAs) + one puck inside t ...to monitor photocurrent. The only thing we need to bring form Mamun's depo chamber is the battery box chassis and the computer (including its table desk).
    3 KB (483 words) - 14:02, 1 March 2016
  • Availability
    Bubble Chamber, Run 2, C2F6: Oct 16-Oct 22
    313 bytes (49 words) - 17:46, 16 September 2015
  • Fall SAD 2019
    *[[Gun2 Load Lock Chamber Replacement]] *[http://devweb.acc.jlab.org/CSUEApps/atlis/task/19463 Upgrade the loading chamber]
    2 KB (354 words) - 13:45, 19 September 2019
  • 6/18/18
    *Create simulation of ion backbombardment in the gun chamber
    438 bytes (61 words) - 11:29, 19 June 2018
  • GTS meeting 5 06 19
    # Remove GTS Photogun and its Preparation Chamber to be ready to install Thermionic Gun [http://opsweb.acc.jlab.org/CSUEApps/
    556 bytes (84 words) - 14:44, 11 June 2019
  • GTS meeting 11 10 15
    ...Yan completed the vacuum bake to 250C for ~ 40 hour over the weekend. Gun chamber ion pump controller reads ~0.5 nA. ...th a 4-1/2" viewport, and the other one connecting the cathode preparation chamber. That is the way to say: " This is not a vacuum viewport breaking facility"
    2 KB (282 words) - 14:52, 10 November 2015
  • GTS meeting 1 12 16
    * Update and action items by Phil Adderley about the multi-alkali deposition chamber: [[Media:Phil's comments January 9th multialkali.docx]]
    362 bytes (51 words) - 14:42, 12 January 2016
  • 6/14/18
    *Create simulation of ion backbombardment in the gun chamber
    450 bytes (64 words) - 18:29, 14 June 2018
  • 6/22/18
    *Create simulation of ion backbombardment in the gun chamber
    477 bytes (65 words) - 13:38, 22 June 2018
  • Sep 22, 2021 - Group Meeting
    * Marcy's update on the vacuum chamber
    496 bytes (75 words) - 08:48, 22 September 2021
  • October 9, 2020 Meeting Minutes
    ...to their large momentum spread, are likely to hit the beampipe and/or gun chamber walls and desorb gas, which gets ionized and repeats the process indefinite ...diation is unlikely (if not impossible) to penetrate the beam pipe and gun chamber walls, it must come from another source, perhaps far away from the monitors
    1 KB (219 words) - 15:02, 19 October 2020
  • Wednesday October 2, 2013
    1- Bubble Chamber progress at Argonne - Final Bubble Chamber cost [[media:Bubble_FinalCost.pdf]] [[media:Bubble_FinalCost.pptx]]
    3 KB (512 words) - 10:13, 23 December 2015
  • June 9, 2017 - 200kV gun upgrade meeting
    ===Diagnostics Chamber Installation ===
    2 KB (274 words) - 07:23, 12 June 2017
  • Beamline viewers
    * ITV2I01 @ Y-chamber (chromox w/ 10 mm hole), w/ top-hat, retracts into tack welded tube, standa * ITV1I02 @ Laser-chamber (chromox no hole), w/ top-hat, retracts into tack welded tube, standard rod
    1 KB (202 words) - 14:35, 23 June 2021
  • Wednesday December 11, 2013
    3- Latest drawing of Bubble Chamber beamline: [[media:Bubble_Chamber_BeamLine_Drawing_top.pdf]] [[media:Bubble_ 4- Bubble Chamber progress at Argonne
    4 KB (583 words) - 10:59, 9 January 2014
  • Bubble Demo ME May 9, 2014
    '''Bubble Chamber Alignment''' : (Riad/Brad/Shaun) Chamber alignment capability
    1 KB (204 words) - 09:44, 8 May 2014
  • Robust Meeting - August 7, 2020
    * garages in y chamber to avoid charging viewers * Likely need to add pumps to Mott chamber and use instead of dump line DP can
    3 KB (516 words) - 15:43, 7 August 2020
  • March 24, 2017 - 200kV gun upgrade meeting
    ===Vacuum chamber/considerations=== ...o NEG isolation and remove unnecessary ceramic plates (fallen to bottom of chamber)
    3 KB (500 words) - 10:48, 24 March 2017
  • Bubble Chamber Meeting Wednesday March 9, 2016
    4- Bubble Chamber work at ANL: [[media:Progress_March_2016_Bubble_Chamber.pdf]] # Analyse beam energies used during September 2015 Bubble Chamber Run I, similar to what Grames did for Mott run.
    2 KB (271 words) - 10:13, 10 March 2016
  • GTS meeting 5 17 16
    ...hotocathode has good QE, contrary to what we estimated in the cathode prep chamber, see discussion below * Measuring QE in the cathode prep chamber with the slope of I vs Laser Power to make sure we stay away from charge sa
    1 KB (240 words) - 10:02, 17 May 2016
  • UITF Meeting - October 10, 2016
    ;Prep Chamber
    461 bytes (66 words) - 10:09, 10 October 2016
  • June 22, 2022 - update
    ...s with dimensions of all four screen section to Shaun for adding to the HV chamber model. Carlos awaiting on Shaun's to tell if the two side screen sections a # HV chamber
    3 KB (443 words) - 08:05, 22 June 2022
  • Bubble Chamber Beam Test September 2015
    = '''Bubble Chamber Turn On''' = * '''Fill with natural N<sub>2</sub>O – test bubble chamber systems operation'''
    7 KB (1,106 words) - 11:54, 4 May 2018
  • August 29, 2019 - Weekly AIPINJ Meeting
    ...make a table approximately the same size as the existing table. the vacuum chamber was due to be shipped last friday, we'll see. everything else is on hand.
    1 KB (251 words) - 12:52, 29 August 2019
  • Silicone dielectric compound
    *Recommendation from Craig is to wipe vacuum chamber off with acetone, then iso-propanol, followed by vacuum bake at 250C. Data
    628 bytes (80 words) - 11:58, 19 May 2021
  • GTS meeting 10 27 15
    ...smaller pump that mount to 2-3/4" flange, freeing some ports in the sheep chamber, but pump body blocks 4-1/2" port intended for NEG. ..., we will reuse the existing 10" travel + rotary now in the UITF load-lock chamber.
    2 KB (356 words) - 08:19, 29 October 2015
  • Robust Meeting - Nov 19, 2020
    ::a. As-found of Y-chamber, CEBAF's is problematic, don't let Hansknecht design vacuum chambers :) *(Marcy, find or buy the pump) Replace the ion pump at the chopper chamber
    3 KB (450 words) - 13:37, 19 November 2020
  • Bubble Chamber Meeting Wednesday November 11, 2015
    3- Bubble Chamber work at ANL * Ernst is calculating bubble chamber sensitivity to gamma ray flux. Previous experiments obtained a limit of <10
    1 KB (195 words) - 15:00, 24 January 2016
  • UITF Meeting - November 6, 2017
    Last bake of the gun! But before the bake, get the Prep chamber working Prep chamber (if we don’t need to vent)
    2 KB (377 words) - 13:18, 6 November 2017
  • Bubble Chamber Meeting Thursday March 8, 2018
    * Bubble Chamber will arrive at JLab tomorrow March 9th. * Bubble Chamber Beam Requirements:
    1 KB (176 words) - 12:47, 22 March 2018
  • June 13, 2019 - Weekly AIPINJ Meeting
    :'''Y-Chamber jobs...''' #Marcy, find the y-chamber in UITF, have it degassed, recommend a pump configuration
    2 KB (322 words) - 09:44, 13 June 2019
  • GTS meeting 3 07 17
    ...as about 0.4% with -1 kV bias. This is to be compared to QE ~ 3.9% in Prep Chamber with -280 V bias before moving the photocathode to Gun.
    459 bytes (79 words) - 12:55, 7 March 2017
  • Wednesday August 7, 2013
    1- Bubble Chamber progress at Argonne 4- Bubble Chamber cost estimate: procurement and labor
    4 KB (618 words) - 14:17, 27 February 2014
  • Wednesday November 6, 2013
    2- Bubble Chamber progress at Argonne 3- Discuss the Bubble Chamber dead time: rates and systematic error. How long does it take to acquire one
    4 KB (711 words) - 10:41, 22 January 2014
  • Must, Should and Likes
    ...ode gap) and construction (NEG modules placed on bottom half of the vacuum chamber)
    647 bytes (90 words) - 16:24, 26 January 2022
  • CIS-ASY-R30-2
    *18" HV chamber with NEG strips
    562 bytes (90 words) - 11:31, 20 December 2021
  • 6/25/18
    *Create simulation of ion backbombardment in the gun chamber
    565 bytes (84 words) - 14:16, 25 June 2018
  • March 31, 2017 - 200kV gun upgrade meeting
    * Assess fields to vacuum chamber, modified shed radius ...ove as it should be, but it will still work. the leak check grooves in the chamber flange will not align with the leak check grooves on the ceramic flange. t
    4 KB (657 words) - 06:42, 31 March 2017
  • Phase2 ME meeting minutes 6 3 2021
    ...o finalize the layout. This can't happen until the bend magnet and vacuum chamber are fleshed out. ...m trajectory for our plan A dipole solution, then we can design the vacuum chamber.
    2 KB (400 words) - 14:35, 4 June 2021
  • 7/9/18
    *Create simulation of ion backbombardment in the gun chamber - probably using C++ or GPT.
    666 bytes (94 words) - 14:22, 9 July 2018
  • May 28, 2020 - ME/INJ/CIS/CASA
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    3 KB (549 words) - 09:53, 28 May 2020
  • GTS meeting 9 14 16
    * Cathode Prep Chamber * HV Gun chamber
    2 KB (403 words) - 07:00, 26 September 2016
  • Wednesday August 6, 2014
    1- Bubble Chamber progress at Argonne * Bubble Chamber: Next to try differentially cooled mercury (at meniscus, N<sub>2</sub>O wil
    2 KB (209 words) - 08:46, 16 September 2014
  • Bubble Chamber Meeting Wednesday September 16, 2015
    1- Bubble Chamber September beam test
    332 bytes (48 words) - 09:03, 9 October 2015
  • March 17, 2017 - 200kV gun upgrade meeting
    ...SS/SS. Main goal is electrode design, but give some thought to testing HV chamber before dismantling.''' ...itself, then test w/ Ross probe, get TOSP ready for HV to Spellman, vacuum chamber, start discussion w/ software for EPICS application.'''
    4 KB (575 words) - 10:29, 23 March 2017
  • Bubble Chamber Meeting Thursday January 5, 2017
    * Bubble Chamber work at ANL: [[media:Bubble_Chamber_Progress_ANL-5January.2017.pdf]]
    436 bytes (59 words) - 17:44, 5 January 2017
  • June 4, 2020 - ME/INJ/CIS/CASA
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    3 KB (570 words) - 09:57, 4 June 2020
  • GTS photos 1 29 16
    [[file:GTS_3654.JPG|200px|thumb|left|HV chamber and HVPS.]]
    411 bytes (68 words) - 11:17, 29 January 2016
  • Bubble Chamber Meeting Thursday February 9, 2017
    * Bubble Chamber work at ANL: [[media:Bubble_Chamber_Progress_ANL-9Feb2017.pdf]]
    471 bytes (66 words) - 18:22, 9 February 2017
  • Bubble Chamber Beam Test May 2018
    = '''Bubble Chamber Turn On''' = * '''Fill with natural C<sub>3</sub>F<sub>8</sub> – test bubble chamber systems operation'''
    7 KB (955 words) - 16:24, 20 July 2018
  • March 10 2022: Disscussion with SRF production team to install electrode in clnrm
    ...are considering lowering the electrode-insulator assembly into the gun HV chamber as the last step, but in the SRF production clean room, instead of in the t
    670 bytes (108 words) - 09:06, 10 March 2022
  • Bubble Chamber Meeting Thursday October 26, 2017
    * Bubble Chamber work at ANL
    432 bytes (57 words) - 08:31, 21 September 2017
  • GTS meeting 10 04 16
    * '''Cathode prep chamber''' * '''Gun HV chamber'''
    4 KB (664 words) - 07:18, 5 October 2016
  • Bubble Chamber Meeting Friday September 14, 2018
    * DAQ and control for bubble chamber (2018): [[media:Claudio_NI_newhardware_14Sept2018.pdf]]
    557 bytes (84 words) - 11:55, 14 September 2018
  • May 25, 2017 - 200kV gun upgrade meeting
    ===Gun3 Removal and Diagnostics Chamber Installation ===
    2 KB (342 words) - 09:00, 25 May 2017
  • 7/13/18
    *Create simulation of ion backbombardment in the gun chamber - probably using C++ or GPT.
    678 bytes (103 words) - 14:12, 13 July 2018
  • Bubble Chamber Meeting Thursday August 10, 2017
    * Bubble Chamber work at ANL
    437 bytes (57 words) - 16:47, 29 June 2017
  • Bubble Chamber Meeting Thursday December 1, 2016
    * Bubble Chamber work at ANL: [[media:Bubble_Chamber_1December_2016.pdf]]
    468 bytes (64 words) - 09:24, 13 December 2016
  • May 14, 2020 - ME/INJ/CIS/CASA
    ;Y/Laser chamber viewers
    705 bytes (96 words) - 07:20, 14 May 2020
  • May 2, 2023 - CIS Group Meeting
    : -Prep chamber (valve good?...need pinchoff?, Cs/O/Sb tested?, mini-suitcase?) : -which HV chamber to install (old UITF or repair damaged CEBAF gun?, picking NEG/BPM tube dep
    2 KB (234 words) - 10:47, 2 May 2023
  • Bubble Chamber Meeting Thursday November 2, 2017
    * Bubble Chamber work at ANL: [[media:ANL_report_2November2017.pdf]] [[media:ANL_report_2Nov
    513 bytes (67 words) - 13:05, 1 November 2017
  • Tuesday July 23, 2013
    3- Bubble Chamber work at Argonne
    408 bytes (61 words) - 17:19, 18 July 2013
  • 6/27/18
    *Create simulation of ion backbombardment in the gun chamber
    755 bytes (112 words) - 10:36, 29 June 2018
  • Bubble Chamber Meeting Thursday April 27, 2017
    * Bubble Chamber work at ANL: [[media:Bubble_Chamber_Progress_27_April_2017.pdf]]
    488 bytes (63 words) - 17:44, 27 April 2017
  • Bubble Chamber Meeting Thursday March 30, 2017
    * Bubble Chamber work at ANL:[[media:Bubble_Chamber_March_2017.pdf]]
    475 bytes (62 words) - 16:58, 30 March 2017
  • Bubble Chamber Meeting Thursday November 30, 2017
    * Bubble Chamber work at ANL
    538 bytes (74 words) - 12:29, 12 December 2017
  • Bubble Chamber Meeting Thursday June 1, 2017
    * Bubble Chamber work at ANL: [[media:Bubble_Chamber_01June_2017.pdf]]
    475 bytes (62 words) - 07:25, 2 June 2017
  • GTS meeting 1 19 16
    ...on the electrode. The field increases from 4 to 6 MV/m. [[Media:Yan's-Gun-Chamber-with-NEG.pptx]] *Phil is making progress with the cathode prep chamber gathering components and sending items for fab at the machine shop.
    2 KB (322 words) - 12:49, 20 January 2016
  • GTS meeting 12 14 20
    ** Vent gun HV chamber; remove Kr line; re-activate cathode; ion trapping test.
    613 bytes (98 words) - 09:52, 16 December 2020
  • Bubble Chamber Meeting Thursday December 14, 2017
    * Bubble Chamber work at ANL: [[media:C3F8_Initial_Tests_Dec2018.gif]]
    587 bytes (82 words) - 10:06, 15 December 2017
  • Bubble Chamber Meeting Friday July 13, 2018
    * '''Shipping Bubble Chamber back to ANL'''
    610 bytes (82 words) - 12:22, 20 July 2018
  • Bubble Chamber Meeting Thursday June 29, 2017
    * Bubble Chamber work at ANL: [[media:Bubble_Chamber_Progress_29June2017.pdf]]
    580 bytes (73 words) - 16:47, 29 June 2017
  • Bubble Chamber Meeting Thursday January 11, 2017
    * Bubble Chamber work at ANL
    547 bytes (73 words) - 10:05, 15 December 2017
  • July 19, 2017 - Group Meeting
    * Puck #9 SLSP-5756-4 in HV chamber, provides good QE>1% and high ~86% polarization (MeV Mott) ...igning the new baked beamline, 200kV Wien plans, and scheduling the Bubble Chamber exp.
    2 KB (267 words) - 09:31, 19 July 2017
  • Bubble Chamber Meeting Friday July 27, 2018
    * '''Bubble Chamber arrived at ANL this morning'''
    555 bytes (69 words) - 15:53, 27 July 2018
  • June 11, 2020 - ME/INJ/CIS/CASA
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    4 KB (638 words) - 11:04, 11 June 2020
  • GTS meeting 2 14 17
    ...electrode to the ball electrode when both are in the CEBAF size gun vacuum chamber.
    796 bytes (135 words) - 08:16, 14 February 2017
  • Oct 13, 2021 - Group Meeting
    * final? plan on future of gun chamber vacuum work : NEG coat, when 1400's arrive, ports assigned * invite Danny/Shaun to review vacuum chamber modifications?
    2 KB (253 words) - 13:10, 14 October 2021
  • Bubble Chamber Meeting Thursday October 13, 2016
    * Bubble Chamber work at ANL: plan to use C<sub>4</sub>F<sub>10</sub>
    521 bytes (69 words) - 15:00, 16 October 2016
  • Phase 1 Beamline Components
    ::[[Y-chamber Laser Window]] - Evaluating the best window to minimize birefringence under ...kV upgrade)]] - Choppers get higher power amplifiers, maybe a new chopping chamber
    2 KB (287 words) - 11:33, 9 May 2022
  • Wednesday July 24, 2013
    - Need a HARP in the new Bubble Chamber line to measure beam profile and energy spread - Mercury will be used as a buffer liquid in the chamber
    3 KB (569 words) - 12:07, 7 December 2013
  • Bubble Chamber Review Meeting Wednesday August 22, 2018
    * Jefferson Lab Bubble Chamber Experiment Update and Future Plans: [[media:Claudio_Summary_22Aug2018.pdf]]
    681 bytes (82 words) - 16:21, 17 August 2018
  • March 26, 2015 - CIS Group Meeting
    * [[Bubble Chamber]]
    963 bytes (141 words) - 15:02, 25 March 2015
  • June 18, 2020 - 200 kV gun options
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    4 KB (645 words) - 06:12, 18 June 2020
  • Bubble Chamber Meeting Friday October 5, 2018
    * New Bubble Chamber Controls - Claudio: [[media:Claudio_ANC_05Oct2018.pdf]] [[media:Claudio_ANC
    764 bytes (110 words) - 15:26, 5 October 2018
  • Wednesday January 22, 2013
    2- Bubble Chamber progress at Argonne
    510 bytes (74 words) - 09:39, 8 January 2014
  • GTS meeting 4 5 16
    * Cathode Prep Chamber * ...osure has been cleaned up and re-organized, it now has a rack for the prep chamber ancillaries
    3 KB (483 words) - 09:48, 5 April 2016
  • GTS Improvement List - Summer 2016
    = '''Photocathode Preparation Chamber''' = that causes photoemission from chamber components surface that gets coated
    5 KB (701 words) - 12:28, 25 August 2016
  • Phase2 ME meeting minutes 4 8 2021
    ...hmi provide a drawing of beam trajectory? So that we can design the vacuum chamber? Like Jay did for other dipoles? Matt to find out #) I prefer a dipole vacuum chamber that looks like vacuum chambers used at UITF, with rectangular aperture. O
    2 KB (354 words) - 10:09, 9 April 2021
  • June 9, 2021 - Group Meeting
    * Clean HV chamber * Prep chamber - mask, pucks, Sb source
    2 KB (282 words) - 09:27, 9 June 2021
  • Bubble Chamber Meeting Thursday April 5, 2018
    :: Bubble Chamber display (Poster and Animation) is planned at UITF North Cave
    549 bytes (76 words) - 08:46, 6 April 2018
  • 2021-06-09
    *# HV chamber evaluation - plan to bake to evaporate lubricant & pump it off, install pho *# Sb source laser aperture added in depo chamber; [https://logbooks.jlab.org/entry/3878165 aligned to laser path].
    3 KB (481 words) - 18:07, 8 June 2021
  • June 26, 2013
    * collimator, target and vacuum chamber status [[Media:Mott_130626_CollimatorTarget.pdf]]
    734 bytes (99 words) - 14:45, 26 June 2013
  • GTS Improvement List - Summer / Fall 2016
    = '''Photocathode Preparation Chamber''' = that causes photoemission from chamber components surface that gets coated
    5 KB (726 words) - 11:34, 13 October 2016
  • Wednesday Feb 12, 2014
    2- Bubble Chamber progress at Argonne
    550 bytes (84 words) - 11:11, 22 January 2014
  • May 19, 2017 - 200kV gun upgrade meeting
    ===Gun3 Removal and Diagnostics Chamber Installation ===
    3 KB (434 words) - 10:00, 19 May 2017
  • References and Documents
    ...Proposal: ''Measurement of <sup>16</sup>O(γ,α)<sup>12</sup>C with a bubble chamber and a bremsstrahlung beam'' [[media:PAC40_proposal.pdf]] ...Proposal: ''Measurement of <sup>19</sup>F(γ,α)<sup>15</sup>N with a bubble chamber and a bremsstrahlung beam'' [[media:PR12-12-013.pdf]]
    13 KB (1,752 words) - 14:02, 3 May 2019
  • Beamline, Radiator and Dump
    * This 5 mm diameter and a 10 mm diameter in the center of the bubble chamber will define a cone. This way we can determine the size of the holes in the ...10 mm diameter be at the center of the bubble chamber or at the end of the chamber entrance collimator.
    4 KB (570 words) - 09:58, 31 October 2023
  • Research and Design
    * <span style="font-size:100%"> '''[[Bubble Chamber]]''' </span>
    2 KB (218 words) - 12:05, 14 July 2023
  • JLab-keV-Mott
    === Scattering chamber ===
    962 bytes (115 words) - 10:44, 2 August 2022
  • Bubble Chamber Beam Test August 2015
    ...estimate formula to determine initial setpoint for MDL0L02 into 5D (bubble chamber) line. = '''Bubble Chamber Digital Camera with Beam in Injector''' =
    3 KB (497 words) - 15:37, 11 September 2015
  • Running Daily Phase 2 Summary
    :: ...coordinating w/ Vince for modification of "blue" HV chamber base plate next week
    905 bytes (137 words) - 10:35, 10 March 2023
  • UITF Meeting - June 3, 2018
    ...ep to gun and back again, align the mask, one last bakeout of gun and prep chamber. ...lds inside Wien filter at settings appropriate for 200kV beam. Modify the chamber if there are regions of high field. Process the Wien at 200keV beam settin
    2 KB (353 words) - 09:50, 22 June 2018
  • Wednesday January 22, 2014
    2- Bubble Chamber progress at Argonne
    664 bytes (99 words) - 10:49, 21 January 2014
  • Feb 28, 2020 Meeting Minutes
    ...vacuum simulation data for H2 and CO for the CEBAF photogun through the y-chamber
    941 bytes (139 words) - 15:06, 24 March 2020
  • GTS meeting 6 20 16
    ...the control room with respect to the laser power going into the gun vacuum chamber.
    1 KB (181 words) - 14:46, 21 June 2016
  • HV insulator for 500 kV
    ...est electrode, with no high voltage breakdown inside or outside the vacuum chamber, such that the developed system can be implemented in a future photogun cap
    989 bytes (150 words) - 14:27, 4 August 2021
  • UITF Meeting - December 12, 2018
    # Bubble Chamber experiments at UITF_Riad Suleiman [[media:Bubble at UITF.pptx]]
    1 KB (178 words) - 09:34, 14 January 2019
  • CEBAF-keV Mott Polarimeter
    === Scattering chamber ===
    1 KB (126 words) - 16:30, 8 October 2022
  • GTS meeting 12 20 16
    * A new mechanism for holding the puck on the top heater of the cathode prep chamber has been implemented:
    1 KB (182 words) - 14:57, 20 December 2016
  • June 6, 2019 - Weekly AIPINJ Meeting
    :'''Y-Chamber jobs...''' #Marcy, find the y-chamber in UITF, have it degassed, recommend a pump configuration
    3 KB (541 words) - 13:47, 6 June 2019
  • Running Daily Phase 2 Minutes
    * HV chamber base plate modification (signed) - https://mis.jlab.org/mis/apps/job_reques : CIS works under clean hood to remove present HV chamber from gun table
    4 KB (625 words) - 08:29, 17 March 2023
  • CEBAF keV Mott Polarimeter
    === Scattering chamber ===
    1,012 bytes (120 words) - 16:32, 8 October 2022
  • GTS meeting 2 22 16
    * The cathode prep chamber is coming together albeit at much slower pace than anticipated, lots of fix ** The ion pump was relocated to the back of the chamber below the long puck manipulator.
    2 KB (439 words) - 09:52, 23 February 2016
  • April 21, 2017 - 200kV gun upgrade meeting
    * Timeline/sequence update for 200kV HV chamber [[media:170421_CHG.pdf]]
    975 bytes (134 words) - 10:25, 21 April 2017
  • GTS meeting 1 07 19
    # Clean Sb pellets off chamber
    930 bytes (139 words) - 10:15, 28 January 2019
  • Gun Test Stand pictures
    [[File:BlackR30 electrode assembly inside gun chamber zoomed in.jpg]] [[File:BlackR30 electrode assembly sitting pretty on top of its chamber.jpg]]
    693 bytes (92 words) - 07:33, 14 October 2016
  • March 27, 2013
    Scattering Chamber
    885 bytes (123 words) - 14:20, 27 March 2013
  • July 2, 2020 - ME/INJ/CIS/CASA
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    5 KB (816 words) - 18:52, 1 July 2020
  • Presentations
    * 10/13/2021 Vacuum chamber passed its pressure test [[Media: HV_pressure_tests_update.pptx]]
    1 KB (168 words) - 09:38, 31 March 2022
  • 2021-06-16
    *# HV chamber evaluation - plan to bake to evaporate lubricant & pump it off, install pho *# Minor SF6 leak in HV chamber identified; repair later...
    3 KB (397 words) - 08:50, 16 June 2021
  • June 25, 2020 - ME/INJ/CIS/CASA
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    5 KB (851 words) - 18:52, 1 July 2020
  • February 24, 2017 - Mott Group meeting
    : Joe - vacuum chamber and acceptance
    1 KB (177 words) - 15:17, 27 February 2017
  • GTS meeting 4 26 16
    ** The photocathode shows photocurrent when ambient light enters the chamber through uncovered viewports, and when the RGA filament is turned on.
    1 KB (200 words) - 14:36, 26 April 2016
  • April 21, 2022 - HV chamber layout for installation in CEBAF
    #*[[Media:14" HV chamber CEBAF injector vacuum piping dimensions.pptx]]
    1 KB (166 words) - 07:39, 21 April 2022
  • November 18, 2020 - Weekly ME meeting
    * New chopping chamber is for sure ...pedestals ready, Shaun has (3) pins for cartridges....NEXT Install moves Y-chamber to pedestals
    5 KB (777 words) - 08:59, 20 November 2020
  • Spring SAD 2019
    ;<span style="color:#008000">Store Bubble Chamber photon dump</span>
    3 KB (397 words) - 15:10, 4 June 2019
  • Bubble Chamber Meeting Thursday April 19, 2018
    :: Does the Bubble Chamber equipment remain in the machine upon completion of the run this summer?
    954 bytes (145 words) - 14:01, 26 April 2018
  • December 17, 2020 - Weekly ME meeting
    * New chopping chamber is for sure ...pedestals ready, Shaun has (3) pins for cartridges....NEXT Install moves Y-chamber to pedestals
    5 KB (794 words) - 11:55, 17 December 2020
  • Bubble Chamber Meeting Thursday April 26, 2018
    * New procedure for operations, '''''Argonne Bubble Chamber Operations for Engineering Runs''''': [[media:TGT-PROC-18-001.pdf]]
    986 bytes (142 words) - 11:46, 3 May 2018
  • April 14, 2017 - 200kV gun upgrade meeting
    * Timeline/sequence for 200kV HV chamber [[media:170414_CHG.pdf]]
    998 bytes (154 words) - 13:06, 18 April 2017
  • Bubble Chamber Meeting Thursday January 25, 2018
    # Can we run the chamber from MCC instead of Injector Service Building?
    1 KB (141 words) - 10:30, 26 January 2018
  • January 13, 2020 - Service providers
    ...am line extending from gun up to chopper (stretch goal is replace chopping chamber itself) :-DP stations, new NEG's for Y- and DP chamber, otherwise the same
    4 KB (565 words) - 11:07, 13 January 2020
  • 2021-06-23
    *# HV chamber evaluation - Bake successful, photocathode installation underway. *# Prep chamber work progressing smoothly:
    3 KB (455 words) - 13:21, 23 June 2021
  • GTS meeting 1 14 19
    # Clean Sb pellets off chamber
    1 KB (192 words) - 10:14, 28 January 2019
  • GTS meeting 3 22 16
    ...n re-piped with a "T" so it can pump on the gun and/or on the cathode prep chamber. The turbo pump
    1 KB (196 words) - 08:45, 22 March 2016
  • August 7, 2020 Meeting Minutes
    ...umber of these electrons hitting the accelerator enclosure (beam pipe, gun chamber, apertures, etc.). Depending on the energy of SEY, the SEY beam characteris
    1 KB (202 words) - 13:53, 10 August 2020
  • Bubble Chamber Meeting Friday July 20, 2018
    * '''Shipping Bubble Chamber back to ANL:'''
    1 KB (158 words) - 17:03, 20 July 2018
  • Electrode
    ...point electrode assembly will be ready for installation in the 18" gun HV chamber
    1 KB (209 words) - 15:56, 28 February 2022
  • UITF Meeting - December 18, 2017
    Prep chamber and Gun: *Add an H-cleaner to the prep chamber
    3 KB (449 words) - 09:27, 18 December 2017
  • February 7, 2018 - Meeting to discuss project write-ups, papers on the near term horizon
    1) 300 kV inverted gun, with alkali-antimonide deposition chamber (POCs, Carlos and Yan) ** Deposition chamber (Mamun)
    3 KB (427 words) - 11:50, 9 February 2018
  • GTS meeting 2 04 19
    # Clean Sb pellets off chamber
    1 KB (207 words) - 13:28, 6 February 2019
  • 2021-05-19
    ...books.jlab.org/entry/3876048 Sb evaporation source installed in deposition chamber] *# Minor SF6 leak in HV chamber identified; repair later...
    3 KB (473 words) - 08:58, 19 May 2021
  • GTS meeting 1 28 19
    # Clean Sb pellets off chamber
    2 KB (231 words) - 13:12, 28 January 2019
  • GTS meeting 7 25 16
    * By moving a hand-held magnet around the gun chamber, "something changed" and now there is field emission starting at around 230
    2 KB (250 words) - 14:26, 26 July 2016
  • Gun Test Stand Meeting Minutes and To-Do Lists
    :[[GTS meeting 2_21_17]] Beamline and Prep Chamber successfully baked ...g the T-electrode to the spherical electrode inside CEBAF style gun vacuum chamber
    17 KB (2,185 words) - 09:08, 12 April 2021
  • January 7, 2021 - Weekly ME meeting
    * New chopping chamber is for sure ...pedestals ready, Shaun has (3) pins for cartridges....NEXT Install moves Y-chamber to pedestals
    6 KB (898 words) - 09:19, 7 January 2021
  • GTS meeting 7 05 16
    ...HOWEVER, it has been very very difficult to activate photocathode in this chamber. Main problems: Not being able to bias the photocathode and non-adjustable ...he gun at 300kV, the QE is actually higher than that estimated in the prep chamber, we believe due to space charge effects with very low bias voltage and rela
    5 KB (919 words) - 11:04, 5 July 2016
  • Penfold-Liess Unfolding
    Bubble Chamber collaboration, June 11 (2013) [[media:PL_Unfolding.pdf]]
    2 KB (208 words) - 12:29, 18 August 2013
  • July 9, 2020 - ME/INJ/CIS/CASA
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    7 KB (1,070 words) - 11:14, 9 July 2020
  • GTS meeting 2 16 16
    * Update: We are working on the cathode prep chamber, BUT the gate valve separating it form the gun seems to leak through.
    1 KB (223 words) - 14:21, 16 February 2016
  • UITF Meeting - December 4, 2017
    Prep chamber and Gun: * Both gun and prep chamber baked after replacing Cs channels and NF3 leak valve.
    5 KB (769 words) - 14:49, 1 December 2017
  • 2021-05-26
    *# HV chamber evaluation - plan to bake to evaporate lubricant & pump it off, install pho *# Sb source laser aperture added in depo chamber; aligned to laser path.
    4 KB (680 words) - 08:55, 26 May 2021
  • Weekly phone call - Feb 28, 2020
    ...irst try at vacuum simulation for the gun through the anode and into the y chamber, with about 3-5% CO, no methane, the rest is H2. The pressure in mbar is 2.
    2 KB (240 words) - 15:50, 24 March 2020
  • January 23, 2020 - Mechanical engineering
    * Chopping chamber => fc#1 bellow is leaky, will need to replace this summer (if not sooner),
    1 KB (221 words) - 21:08, 22 January 2020
  • GTS meeting 3 21 17
    ...iday open all day for beamline bake. Turn ON the extractor gauge in Gun HV Chamber. Use GN2 heater to send 250 C hot gas through the water lines of the FCup t
    1 KB (233 words) - 10:26, 22 March 2017
  • April 30, 2020 - ME/INJ/CIS/CASA
    * Y-chamber ::Flanges for y chamber power/TC feedthroughs: https://misportal.jlab.org/reqs/pr/viewPr.do?prNum=3
    7 KB (1,094 words) - 09:35, 30 April 2020
  • Penfold-Leiss Unfolding
    Bubble Chamber collaboration, June 11 (2013) [[media:PL_Unfolding.pdf]]
    2 KB (279 words) - 19:42, 16 August 2015
  • May 13, 2016 - Mott Group Meeting
    ** Marcy, Riad, Joe - Writing TN on the Mott chamber assembly [[media:MottConstruction-TN_v0.docx]]
    2 KB (228 words) - 09:24, 13 May 2016
  • UITF Meeting - October 21, 2019
    *Build a chamber to install new photocathodes, pseudo-suitcase *Go-No Go detector for HDIce, near apertures, add these as fsd nodes, ion chamber? We can use Decarad but won’t be formal FSD (no 5 MHz signal)
    4 KB (587 words) - 08:45, 21 October 2019
  • Apr 24 2024
    ...-JL0091130-0100-SECTION 01-PHOTO-GUN TO VBV2102 R30 -3 and R28-2 including chamber dimensions.pdf|right|middle|thumb]]
    4 KB (616 words) - 14:50, 30 April 2024
  • Simulations and Backgrounds
    * Bubble Chamber STEP file (change .txt to .stp): [[media:BubbleChamber.txt]] * Drawings used to generate gemc Bubble Chamber Model:
    12 KB (1,732 words) - 10:23, 27 February 2017
  • May 21, 2020 - ME/INJ/CIS/CASA
    ;Y/Laser chamber viewers
    2 KB (243 words) - 09:58, 21 May 2020
  • Apr 17 2024
    * The electrode has been removed from the high voltage chamber, and Moly puck with GaAs bulk wafer engagement checked. Compared to the spa
    2 KB (309 words) - 08:37, 17 April 2024
  • January 14, 2021 - Weekly ME meeting
    * New chopping chamber is for sure ...pedestals ready, Shaun has (3) pins for cartridges....NEXT Install moves Y-chamber to pedestals
    7 KB (1,131 words) - 11:08, 11 January 2021
  • April 16, 2020 - ME/INJ/CIS/CASA
    * Viewer solution on Y-chamber => long viewer or tack weld tube :Y-Laser chamber girder holes https://misportal.jlab.org/jlabDocs/docDownload/100043
    6 KB (898 words) - 07:42, 16 April 2020
  • July 16, 2020 - ME/INJ/CIS/CASA
    ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber * d. Setup vacuum chamber if Caryn is going to evaluate any windows
    8 KB (1,278 words) - 11:06, 16 July 2020
  • GTS meeting 5 3 16
    ** Shukui has aligned the laser to the gun chamber entrance viewport!
    2 KB (318 words) - 14:10, 3 May 2016
  • February 24, 2020 - Resource meeting
    ...le (MBO) will either be re-used as-is, possibly modified for taller vacuum chamber aperture *Chopping chamber - retain chopper cavities, reduce pump on chamber
    6 KB (968 words) - 13:36, 21 February 2020
  • February 10, 2020 - Resource meeting
    ...le (MBO) will either be re-used as-is, possibly modified for taller vacuum chamber aperture *Chopping chamber - retain chopper cavities, reduce pump on chamber
    6 KB (969 words) - 13:25, 13 February 2020
  • April 24, 2020 - ME/INJ/CIS/CASA
    * Viewer solution on Y-chamber => long viewer or tack weld tube :Y-Laser chamber girder holes https://misportal.jlab.org/jlabDocs/docDownload/100043
    6 KB (916 words) - 08:55, 23 April 2020
  • October 29, 2020 - Weekly ME meeting
    # working the Y chamber and gun locations. # Spool piece connecting Y-chamber to BPM just upstream of solenoid has an angle. Should mark it.
    8 KB (1,328 words) - 16:54, 25 October 2020
  • CIS Safety
    * Alteration #2 - 500 kV SF6 10 psi HV chamber: https://jlabdoc.jlab.org/docushare/dsweb/View/Collection-49571 * Alteration #2 - 500 kV SF6 10 psi HV chamber: https://jlabdoc.jlab.org/docushare/dsweb/View/Collection-49571
    6 KB (818 words) - 16:53, 10 January 2024
  • October 22, 2020 - Weekly ME meeting
    # Spool piece connecting Y-chamber to BPM just upstream of solenoid has an angle. Should mark it. ...d wrapped with Kapton tape and installed. After complete magnet build with chamber installed, installed insulation and lead lugs to all conductors. Attached t
    7 KB (1,182 words) - 22:27, 22 October 2020
  • Aug 16, 2022 - Group meeting
    * Complete 200 kV HV chamber build at LERF, be ready to install UITF by November
    2 KB (267 words) - 13:47, 16 August 2022
  • October 30, 2020 - Special Spooky Hallow's Eve ME Meeting
    ...stall the pieces that are ready (The Gun (4 pads) + NEG tube (1 stand) + Y-chamber girder (2 pedestals) get install). We will get the rest when they become av # working the Y chamber and gun locations.
    10 KB (1,604 words) - 09:10, 30 October 2020
  • May 7, 2020 - ME/INJ/CIS/CASA
    ;Y/Laser chamber viewers *10" high voltage chamber flange-due to ship mid-april, asked about status a week ago and then yester
    11 KB (1,760 words) - 09:21, 7 May 2020
  • February 11, 2015 - CIS Group Meeting
    :Meeting will be setup to advance layout of gun + prep chamber
    2 KB (275 words) - 12:57, 11 February 2015
  • January 27, 2020 - Resource Meeting
    * [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/19463 New Gun2 loading chamber]
    2 KB (303 words) - 15:02, 4 February 2020
  • CEBAF upgrade meeting - December 13, 2017
    Install the new 200kV gun during 2018 SAD, sometime after the Bubble Chamber experiment. Imagine ~ May 2018
    2 KB (332 words) - 11:48, 13 December 2017
  • March 12, 2020 - ME/INJ/CIS
    * Y-NEG chamber => Detail Y- 10" flange, NEG's here * DP NEG chamber => Flip DP for IP beam left, modify for new NEG's?
    4 KB (722 words) - 08:54, 12 March 2020
  • July 30, 2020 - ME/INJ/CIS/CASA
    ...m Shaun for correction insertion, then will get them cut and tacked welded chamber (Phil has 5) ...new Y-chamber on girder, new bottom flange, new NEG's, finish coating that chamber
    10 KB (1,640 words) - 11:09, 30 July 2020
  • January 21, 2021 - Weekly ME meeting
    * New chopping chamber is for sure ...pedestals ready, Shaun has (3) pins for cartridges....NEXT Install moves Y-chamber to pedestals
    9 KB (1,355 words) - 11:01, 21 January 2021
  • Summer SAD 2015
    ...uly 1-31, remove Pavel's cross, restore original beam line, add ANL Bubble chamber
    2 KB (264 words) - 09:12, 21 May 2015
  • April 9, 2020 - ME/INJ/CIS/CASA
    :Y-Laser chamber girder holes https://misportal.jlab.org/jlabDocs/docDownload/100043 * Marcy checking on top hat configuration for Y-chamber [[media:200326_viewer shield.pdf]]
    6 KB (836 words) - 09:26, 9 April 2020
  • Phase2 ME meeting minutes 4 22 2021
    * dipole magnet and chamber
    2 KB (389 words) - 12:30, 22 April 2021
  • Phase2 ME meeting minutes 18Feb21
    * existing spectrometer dipole magnet, is it good enough? bigger vacuum chamber, how does this impact the field quality, will this impact the purpose of th
    2 KB (385 words) - 13:56, 18 February 2021
  • August 6, 2020 - ME/INJ/CIS/CASA
    Y chamber girder *garages for laser and y chamber viewers are ready to bend at the right length and tack weld
    13 KB (2,049 words) - 19:07, 6 August 2020
  • August 13, 2020 - ME/INJ/CIS/CASA
    * Marcy vacuum bake 400 C gun/y-chamber Y chamber girder
    13 KB (2,189 words) - 10:58, 13 August 2020
  • GTS meeting 3 28 17
    ...3rd: open all day for beamline bake. Turn ON the extractor gauge in Gun HV Chamber. Use GN2 heater to send 250 C hot gas through the water lines of the FCup t
    2 KB (374 words) - 17:14, 28 March 2017
  • August 20, 2020 - ME/INJ/CIS/CASA
    * Marcy vacuum bake 400 C gun/y-chamber Y chamber girder
    14 KB (2,198 words) - 07:21, 20 August 2020
  • March 9, 2020 - Resource meeting
    ...le (MBO) will either be re-used as-is, possibly modified for taller vacuum chamber aperture *Chopping chamber - retain chopper cavities, reduce pump on chamber
    8 KB (1,258 words) - 13:54, 9 March 2020
  • November 5, 2020 - Weekly ME meeting
    * All floor info given, still need gun and Y chamber girder info * Y chamber pedestals => they remain, Phil cuts off all but 1/4" downstream side of 1st
    13 KB (2,135 words) - 11:22, 5 November 2020
  • Sep 01, 2021 - Group Meeting
    :: use vacuum chamber in 1137
    3 KB (361 words) - 08:23, 1 September 2021
  • October 9, 2019
    * I don't think we have time for the Load chamber, little time
    3 KB (412 words) - 09:51, 9 October 2019
  • January 28, 2021 - Weekly ME meeting
    * New chopping chamber is for sure ...pedestals ready, Shaun has (3) pins for cartridges....NEXT Install moves Y-chamber to pedestals
    10 KB (1,600 words) - 11:03, 28 January 2021
  • August 27, 2020 - ME/INJ/CIS/CASA
    * Few days for the assembly of the Y-chamber getters, and flanges * Marcy vacuum bake 400 C gun/y-chamber
    16 KB (2,544 words) - 11:27, 27 August 2020
  • November 12, 2020 - Weekly ME meeting
    * Test viewer in/out stroke when chamber under vacuum * (Done) All floor info given, still need gun and Y chamber girder info
    18 KB (2,917 words) - 12:13, 12 November 2020
  • September 3, 2020 - Weekly ME meeting
    * Few days for the assembly of the Y-chamber getters, and flanges * Marcy vacuum bake 400 C gun/y-chamber
    16 KB (2,612 words) - 09:39, 3 September 2020
  • September 10, 2020 - Weekly ME meeting
    * Few days for the assembly of the Y-chamber getters, and flanges * Marcy vacuum bake 400 C gun/y-chamber
    16 KB (2,621 words) - 06:22, 10 September 2020
  • April 2, 2020 - ME/INJ/CIS/CASA
    * Marcy checking on top hat configuration for Y-chamber [[media:200326_viewer shield.pdf]]
    3 KB (421 words) - 17:15, 2 April 2020
  • 2021-05-12
    *#Minor SF6 leak in HV chamber identified; repair later...
    3 KB (414 words) - 08:55, 12 May 2021
  • September 24, 2020 - Weekly ME meeting
    * 9/21 as-found of Gun table, 2I pedestal, Y-chamber an HV chamber => [[AIPINJ - S&A Transmittals]] * Need to include laser table footprint in model, to see if Y-chamber solenoid needs to flip direction
    18 KB (2,981 words) - 16:02, 23 September 2020
  • UITF Tasks Requiring Attention
    #*At the chopper chamber, VIPK301 ion pump not energized, it is just spewing CH4 into beamline, repl #*Add load lock to depo chamber (I have cross and manipulator)
    10 KB (1,612 words) - 13:27, 19 January 2022
  • GTS meeting 1 17 17
    * Photocathode Prep Chamber
    3 KB (569 words) - 13:09, 17 January 2017
  • October 1, 2020 - Weekly ME meeting
    * will NEG fit into 25l/s ion pump on Y chamber girder? freebie, 1 d Shaun, $500 * If people agree....design and procure larger gap dipole and dipole chamber
    20 KB (3,225 words) - 10:02, 1 October 2020
  • Bubble Demo ME April 18, 2014
    : 4/25 - Good progress, components from cup to bubble chamber needs attention, sweep dipole attention
    3 KB (442 words) - 11:57, 28 April 2014
  • Feb 28 2024
    ...studies plan (ATLis) to implement BEFORE SAD for measuring beam size at Y-chamber viewer vs first solenoid BDL (or current) for R28 gun operating at 140 kV.
    3 KB (510 words) - 09:38, 29 February 2024
  • UITF Meeting - May 20, 2019
    * 11 L/s ion pump added to the dead chopper chamber pump
    3 KB (473 words) - 08:37, 20 May 2019
  • To-do list
    #*At the chopper chamber, VIPK301 ion pump not energized, it is just spewing CH4 into beamline, repl #*Add load lock to depo chamber (I have cross and manipulator)
    9 KB (1,459 words) - 23:46, 21 November 2021
  • February 20, 2017 - Mott Group meeting
    : (JOE) - vacuum chamber and acceptance
    4 KB (536 words) - 16:11, 20 February 2017
  • Feb 21 2024
    ...studies plan (ATLis) to implement BEFORE SAD for measuring beam size at Y-chamber viewer vs first solenoid BDL (or current) for R28 gun operating at 140 kV.
    4 KB (608 words) - 09:49, 22 February 2024
  • Phase 1 & SAD ATLIS Tasks
    ...''' [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/19463 New Gun2 loading chamber]
    8 KB (1,158 words) - 11:36, 4 June 2021
  • Meetings Workspace
    *This is what we are going to do for driving gas off the NEG coated (R30) gun chamber
    4 KB (494 words) - 09:36, 11 April 2024
  • October 15, 2020 - Weekly ME meeting
    ...o MMF shop. Mike will start the coil fit-up process with coils and vacuum chamber next week (10/19-10/23). Mike performs final assembly and measurements fir
    3 KB (495 words) - 10:41, 15 October 2020
  • 2021-07-21
    # [https://logbooks.jlab.org/entry/3884328 Gun/Depo chamber bake started] and [https://logbooks.jlab.org/entry/3885376 completed]
    5 KB (793 words) - 10:22, 21 July 2021
  • Research Notes and Documents
    ...trum_After2days.jpeg | RGA Spectrum After 2 Days]] -- RGA Spectrum for gun chamber taken on 5/21/18 after prepping for 2 days, analyzed using gnuplot on 6/11/
    6 KB (972 words) - 13:18, 26 September 2022
  • CIS Phase 1 work plans
    == Week 4 (Oct 12 - Oct 18) Cable Pulls and Y-Chamber Girder Rebuild == * Laser/Y-Chamber viewer for Y-chamber girder (Marcy)
    113 KB (16,078 words) - 16:19, 23 May 2021
  • UITF Meeting - "schedule" commissioning plan through HDIce tests
    *Vent prep chamber and install the mask at right location
    6 KB (913 words) - 10:02, 10 February 2020
  • 2021-08-11
    * [https://logbooks.jlab.org/entry/3890867 Puck 18] to chamber for [https://logbooks.jlab.org/entry/3890924 rough drive laser alignment].
    7 KB (976 words) - 08:54, 11 August 2021
  • 2021-08-04
    * Many improvements and modifications made to prep chamber. New pucks prepared as well.
    7 KB (1,009 words) - 13:29, 4 August 2021
  • CIS Refereed Publications
    ...the cross section of the 15N(α,γ)19F reaction using a single-fluid bubble chamber," https://journals.aps.org/prc/abstract/10.1103/PhysRevC.107.035801, https: ...dong modeled QE data obtained at JLab using the original hydrogen cleaning chamber, SPIRE/Bandwidth Semiconductor samples, MOCVD-grown bulk GaAs wafers with d
    25 KB (3,462 words) - 19:19, 11 March 2024
  • CIS Presentations
    * R. Suleiman, "Measurement of <sup>16</sup>O(γ,α)<sup>12</sup>C with Bubble Chamber and Bremsstrahlung Beam at Jefferson Lab Injector"
    19 KB (2,496 words) - 15:59, 2 January 2024

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