Difference between revisions of "CEBAF Injector Upgrade"

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The Injector Upgrade wiki begins here.
  
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* <span style="font-size:150%"> '''[[CEBAF Injector Upgrade Meetings]]''' </span>
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==Quick Links==
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* Daily 8:00am + Wed 1:30 MCC => https://bluejeans.com/569476853
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* Daily 8:30am toolbox => https://bluejeans.com/171126028
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* Monday 1330 SAD Scheduling Meeting => https://bluejeans.com/569476853
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* '''Schedule - updated Nov 10, 2020''' [[media:201110_AIPINJ_Schedule.pdf]]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21170 Link to the Phase 1 ATLIS]
  
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==Planning, planning, planning...==
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: [[CIS Phase 1 work plans]]
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: [[AIPINJ - Layouts]]
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: [[AIPINJ - S&A Transmittals]]
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: [[AIPINJ - Upgrade Meetings]]
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: [https://jeffersonlab-my.sharepoint.com/:f:/g/personal/grames_jlab_org/EhXqNtq16CBNt4JzMmy4T1ABbL3OnBkCCHeIvb8PQE3aZw?e=vpc8ZM 3D cad and released drawings on AIPINJ OneDrive Folder]
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: Long term planning - [[AIPINJ - Phase 1 and 2 Schedule]]
  
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==CED related links==
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* CED nomenclature doc : https://accweb.acc.jlab.org/cnm/codes/system
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* CED lookup translator : https://accweb.acc.jlab.org/cnm/translator
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* FINAL CED LIST (9/14/20-checked DM/JG/AH/MS) - [[media:200914_AIPINJ_CED.xlsx]]
  
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A significant portion of the experiments performed at Jefferson Lab require a polarized electron beam.  A subset of these are parity violation experiments which have exceptionally stringent requirements on the quality of the electron beam. As the sign of the electron beam helicity reverses at the target of the experiment no other measurable quantity of the electron beam may change. This includes the beam intensity, polarization, position, angle, energy or spot size.
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== Major Phase 1 Beamline Components ==
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:[[200 kV gun]] - Cathode, anode and high voltage system
 +
:[[200 kV NEG Coated BPM's]] - New BPM's on beam pipe, NEG coated and absolutely mapped
 +
:[[Y-chamber Laser Window]] - Evaluating the best window to minimize birefringence under stress
 +
:[[DR dipole (15 deg)]] - New 15 deg air core bend dipole replaces pre-existing DS dipole
 +
:[[FX beamline and FY chopper solenoids]] - New double-coil sw/cw capable solenoids with 38 mm (FX) and 46 mm (FY) ID
 +
:[[PSS Kicker (upgraded for 200 kV upgrade)]] - New PSS kicker of reliable design to operate at 200 kV with shorter throw
 +
:[[WF Wien Filters (200 kV upgrade)]] - Upgraded Wien filters with 20 A magnetic coils and >18 kV electrodes to rotate spin of 200 keV electrons
 +
:[[QW Wien quadrupoles (200 kV upgrade)]] - New quads designed for 200 keV energy, w/ improved magnetic field quality
 +
:[[Chopping System (200 kV upgrade)]] - Choppers get higher power amplifiers, maybe a new chopping chamber
 +
:[[Pre-buncher cavity (200 kV upgrade)]] - Existing stainless steel pre-buncher replaced by copper cavity for higher power.
 +
:[[NEG coated 2.5 inch OD BPM's]] - Replacing (2) existing with (3) new BPM's, provide (x,x',y,y') from gun, help tuning
 +
:[[HD steering coils]] - New steering coils for the A1/A2 aperture cubes, improved design and for 200 keV energy
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:[[A1/A2 Aperture Steering Cubes]] - Reinvented A1/A2 apertures define beam size and PSS kicker destination, include upgraded HD steering coils
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:[[Injector upgrade vacuum improvements]] - Improvements in the vacuum design, use of getter and ion pumps
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:[[LLRF 3.0 Phase 1]]
  
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To ensure this beam quality, a significant effort is put into the main injector where the laser beam and electron photogun combine to produce the intended electron beam and the beam is chopped, bunched and accelerated to the final injector energy, all while maintaining a parity quality electron beam (PQB).
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== Major Phase 2 Beamline Components ==
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:[[SRF Booster]]
  
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=='''Accelerator Meetings'''==
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==ATLIS Tasks==
  
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* CEBAF Injector Upgrade Meeting August 27, 2015: [[media:PQB_Meeting_13Aug09.pdf]] [[media:PQB_Meeting_13Aug09.pptx]]
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;AIPINJ
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21370 Injector Wien Filter - system upgrade (2020 SAD)]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21332 Removal of PSS kicker magnet injector segment]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21164 Mat'l Handling and Installation for Phase I of Inj. Upgrade]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20395 Pedestal Location Surveys]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20404 Install Chopper SSA's]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20410 Chopper SSA LCW]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/19517 Penetration Drops]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20270 Remove and re-install BPM's Gun to chopper]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20275 Install new IPM2I03]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20268 Remove and calibrate current monitoring electronics]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/17932 Harp work]
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* [http://devweb.acc.jlab.org/CSUEApps/uitflist/task/1273 Testing Wien HV Controls at UITF]
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* [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/20275 Perform Installation work for newly added Injector bpm during 2020 SAD]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21490 IOCSE11 & IOCINSE4 BPM Controls Update]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/atlis.php?load=Task&task_id=21431 Install and Commission Wien filter Power Supplies]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21570 Install PSS jumpers for laser work at the Injector]
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;CIS SAD Tasks
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* [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/19463 New Gun2 loading chamber]
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* Placeholder for Tim Minga to test laser room smoke detector alarm to MCC/Guard
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* [https://logbooks.jlab.org/entry/3844689 Fix IHWP readback during SAD]
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;Injector Related SAD Tasks
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21431 Install and Commission Wien filter Power Supplies]] (magnet PS)
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21353 Install Ion Pump HV cables and mount Junction boxes on cable trays NL and INJ]]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21330 PSS Injector Interface Chassis removal]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21145 PSS Injector Segment PLC Upgrade]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21330 PSS Injector Interface Chassis removal]
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* [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/21542 PSS CAMAC Relay cards replacement with VME versions for Injector and BSY]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20415 I&C Injector Camac to Vme and camera upgrade]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/17247 I&C Upgrade harps to PC104]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21331 I&C Upgrade existing ItoV System with ItoV VME cards]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/18471 I&C Accelerator network re-survey]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21334 FAC Tunnel Fire Alarm and Suppression Replacement]
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* [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/21242 Apply labels to I&C components during 2020 SAD]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/21353 Install Ion Pump HV cables and mount Junction boxes on cable trays NL and INJ]
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* [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/21020 Neutron Detector System Installation (SAD 2020)]
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* [http://devweb.acc.jlab.org/CSUEApps/atlis/task/20644 UHV Power Supply Replacement (ISB)]
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* [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/21376 Injector (prebuncher, buncher and choppers)- LLRF systems upgrade to 3.0 version]
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* [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/21373 Trim Utility Chassis Upgrade - All CEBAF Trim Racks]
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== [[Injector Upgrade Documents and Links]] ==

Revision as of 14:35, 20 November 2020

The Injector Upgrade wiki begins here.

Quick Links

Planning, planning, planning...

CIS Phase 1 work plans
AIPINJ - Layouts
AIPINJ - S&A Transmittals
AIPINJ - Upgrade Meetings
3D cad and released drawings on AIPINJ OneDrive Folder
Long term planning - AIPINJ - Phase 1 and 2 Schedule

CED related links

Major Phase 1 Beamline Components

200 kV gun - Cathode, anode and high voltage system
200 kV NEG Coated BPM's - New BPM's on beam pipe, NEG coated and absolutely mapped
Y-chamber Laser Window - Evaluating the best window to minimize birefringence under stress
DR dipole (15 deg) - New 15 deg air core bend dipole replaces pre-existing DS dipole
FX beamline and FY chopper solenoids - New double-coil sw/cw capable solenoids with 38 mm (FX) and 46 mm (FY) ID
PSS Kicker (upgraded for 200 kV upgrade) - New PSS kicker of reliable design to operate at 200 kV with shorter throw
WF Wien Filters (200 kV upgrade) - Upgraded Wien filters with 20 A magnetic coils and >18 kV electrodes to rotate spin of 200 keV electrons
QW Wien quadrupoles (200 kV upgrade) - New quads designed for 200 keV energy, w/ improved magnetic field quality
Chopping System (200 kV upgrade) - Choppers get higher power amplifiers, maybe a new chopping chamber
Pre-buncher cavity (200 kV upgrade) - Existing stainless steel pre-buncher replaced by copper cavity for higher power.
NEG coated 2.5 inch OD BPM's - Replacing (2) existing with (3) new BPM's, provide (x,x',y,y') from gun, help tuning
HD steering coils - New steering coils for the A1/A2 aperture cubes, improved design and for 200 keV energy
A1/A2 Aperture Steering Cubes - Reinvented A1/A2 apertures define beam size and PSS kicker destination, include upgraded HD steering coils
Injector upgrade vacuum improvements - Improvements in the vacuum design, use of getter and ion pumps
LLRF 3.0 Phase 1

Major Phase 2 Beamline Components

SRF Booster

ATLIS Tasks

AIPINJ
CIS SAD Tasks
Injector Related SAD Tasks

Injector Upgrade Documents and Links

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