Difference between revisions of "The HPS Run Wiki"

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= '''Shift Documentation''' =
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<!--########################################  DOCS  ####################################################-->
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<!--########################################  DOCS  ####################################################-->
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<!--########################################  DOCS  ####################################################-->
 +
 
 +
 
 +
= Shift Documentation =
  
 
{| {{TableStyle1}}
 
{| {{TableStyle1}}
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| valign=top |
 
| valign=top |
  
===[http://www.jlab.org/Hall-B/run-web/hps/phone_numbers.pdf HPS Phone/Pager Numbers]===
+
<!--===[http://www.jlab.org/Hall-B/run-web/hps/phone_numbers.pdf Important Phone Numbers]===-->
<!--===[[Phone/Pager Numbers|Phone/Pager Numbers]]===-->
+
==={{#switchtablink:Phone Numbers|'''Phone Numbers'''}}===
 +
===[http://www.jlab.org/Hall-B/hpsshifts Shift Schedule]===
 +
===[https://logbooks.jlab.org/checklists/530 Shift-Taker's Checklist] <!--([[Media:hps_shift_checklist.pdf|old]]) -->===
 +
===[https://accweb.acc.jlab.org/hco/readiness Hot Checkout]===
 +
===[https://bta Beam Time Accounting]===
 +
===[https://docs.google.com/spreadsheets/d/1Ru4weeIOqtcpebiXKxFGCbPXGWXZF-W2JAolHcpvIFU/edit#gid=43855609 Run Spreadsheet 2019],[https://docs.google.com/spreadsheets/d/1X_TfOQyQBv9Ja1IQ5LYImk0sd00eN-d4zzkCwn-CSUM/edit#gid=43855609 2016], [https://docs.google.com/spreadsheets/d/1l1NurPpsmpgZKgr1qoQpLQBBLz1sszLz4xZF-So4xs8/edit#gid=43855609 2015]===
 +
===[https://userweb.jlab.org/~vpk/HPS/Trigger/Run2019/HPS_trigger_versions.xlsx 2019 HPS production triggers descriptions]===
  
===Checklists===
 
* [[Media:hps_shift_checklist.pdf|Shift-Taker's Checklist]]
 
* [https://accweb.acc.jlab.org/hco/readiness Hot Checkout]
 
 
<!--* [[Media:hps_hallb_checklist.pdf|Hall-B Checklist Preparing for Beam]]-->
 
<!--* [[Media:hps_hallb_checklist.pdf|Hall-B Checklist Preparing for Beam]]-->
 
+
===[[HPS Upgrade ERR]]===
 +
===[https://www.jlab.org/Hall-B/run-web  COO, ESAD, RSAD] [[Media:HallB_RSAD_new_targets.pdf|Adendum to RSAD]] Things to read before shift. ===
 
| valign=top |
 
| valign=top |
  
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<!--* [[HPS Startup Plan|Startup Plan]]-->
 
<!--* [[HPS Startup Plan|Startup Plan]]-->
 
* Commissioning Plans:
 
* Commissioning Plans:
**[[Media:HPS_beamline_commissioning.pdf|Beamline]]
+
**[[Media:HPS_beamline_comm.pdf|Beamline]]
**[[Media:HPS_TriggerCommissioning_July2014.pdf|Trigger]]
+
<!--**[[Media:HPS_BeamTrip_Studies.pdf|Beam Trips]]-->
 +
**[[Media:2019_HPS_trigger_commissioning_plan.pdf | Trigger]] <!--(old: [[Media:HPS_TriggerCommissioning_March2015.pdf|2015]], [[Media:HPS_TriggerCommissioning_July2014.pdf|2014]])-->
 
**[[Media:HPS_ECal_Commissioning.pdf|ECal]]
 
**[[Media:HPS_ECal_Commissioning.pdf|ECal]]
 
**[[Media:HPS_SVT_Commissioning.pdf|SVT]]
 
**[[Media:HPS_SVT_Commissioning.pdf|SVT]]
 +
** [[Media:Hodo_Comission_2019.pdf|Hodoscope]]
 
<!--* [[Media:HPS_BeamTripRecovery.pdf|Beam Trip Recovery]]-->
 
<!--* [[Media:HPS_BeamTripRecovery.pdf|Beam Trip Recovery]]-->
 
* SVT TOSP ([[Media:hps_svt_tosp_1.pdf|1]],[[Media:hps_svt_tosp_2.pdf|2]],[[Media:hps_svt_tosp_3.pdf|3]])
 
* SVT TOSP ([[Media:hps_svt_tosp_1.pdf|1]],[[Media:hps_svt_tosp_2.pdf|2]],[[Media:hps_svt_tosp_3.pdf|3]])
 +
* [[Media:Accessing_the_tunnel.pdf|Tunnel/Hall Access]]
 +
* [[Media:Power_Failure_Procedures.pdf|Power Failure]]
 
<!--* [[Media:hps_svt_tosp.docx|SVT TOSP]] ([[Media:hps_svt_tosp_1.pdf|1]],[[Media:hps_svt_tosp_2.pdf|2]],[[Media:hps_svt_tosp_3.pdf|3]])-->
 
<!--* [[Media:hps_svt_tosp.docx|SVT TOSP]] ([[Media:hps_svt_tosp_1.pdf|1]],[[Media:hps_svt_tosp_2.pdf|2]],[[Media:hps_svt_tosp_3.pdf|3]])-->
 
<!--* [[HPS Preliminary Run Schedule|Preliminary Run Schedule]]-->
 
<!--* [[HPS Preliminary Run Schedule|Preliminary Run Schedule]]-->
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===Manuals===
 
===Manuals===
 +
* [[Media:HarpScanManual.pdf|Harp Scans]]
 +
* [[Media:WaveFormManual.pdf|Beam Trip Runs]]
 
* [[Media:OPS_Manual_SVT.pdf|SVT]]
 
* [[Media:OPS_Manual_SVT.pdf|SVT]]
* [[Media:ecal_manual.pdf|ECal]]
+
* [[Media:ecal_manual.pdf|ECal]] ([[Media:ecal_manual_annex.pdf|Annex]])
** [[Media:ecal_manual_annex.pdf|Annex]]
+
<!--* [https://github.com/JeffersonLab/HPS-NOTES/blob/master/SHIFT/Manuals/hps-daq-operation-manual/OPS-Manual-daq.pdf DAQ]-->
* [[Media:OPS_Manual_DAQ.pdf|DAQ]]
+
* [[Media:OPS_Manual_DAQ.pdf|DAQ]]<!--([https://clonwiki.jlab.org/wiki/index.php/DAQ/Online_Quick_Reference CLAS Wiki] ([[HPS DAQ Quick Reference|copy]]))-->
** [https://clonwiki.jlab.org/wiki/index.php/DAQ/Online_Quick_Reference CLAS Wiki] ([[HPS DAQ Quick Reference|copy]])
+
* [[Media:hps_beamline_manual.pdf|Beamline]] and [[Media:B11006-dwg1.pdf|Beamline Drawings]]
* [[Media:hps_beamline_manual.pdf|Beamline]]
+
**[[Media:chicane_controls.pdf|Turning Chicane ON/OFF]]
**[[Media:chicane_ON-OFF.pdf|Turning ON/OFF chicane]]
+
**[[Media:chicane_settings.pdf|Chicane Settings]]
 +
**[[Media:chicane_ON_OFF.pdf|Manual Turning Chicane ON/OFF]]
 +
**[[Media:FSD_Test.pdf|FSD]]
 +
<!--** [Accessing the FSD GUI]-->
 
* [[Media:hps_slow_controls_manual.pdf|Slow Controls]]
 
* [[Media:hps_slow_controls_manual.pdf|Slow Controls]]
  
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===JLab Logbooks===
 
===JLab Logbooks===
<!--* [http://opweb.acc.jlab.org/CSUEApps/bta03/bta.php Beam Time Accounting]-->
+
<font size=3>
<!--* [http://www.jlab.org/Hall-B/shifts Hall-B Shift Schedule]-->
+
 
* [https://logbooks.jlab.org/book/elog MCC]
 
* [https://logbooks.jlab.org/book/elog MCC]
 +
** [https://cebaf.jlab.org/dtm/all-events DTM]
 
* [https://logbooks.jlab.org/book/halog Hall-A]
 
* [https://logbooks.jlab.org/book/halog Hall-A]
 
* [https://logbooks.jlab.org/book/hblog Hall-B]
 
* [https://logbooks.jlab.org/book/hblog Hall-B]
 
* [https://logbooks.jlab.org/book/hclog Hall-C]
 
* [https://logbooks.jlab.org/book/hclog Hall-C]
 
* [https://logbooks.jlab.org/book/hdlog Hall-D]
 
* [https://logbooks.jlab.org/book/hdlog Hall-D]
 +
</font>
  
 
<!--
 
<!--
Line 62: Line 81:
 
* [http://www.jlab.org/Hall-B/run-web/hps/Hall-B_ERG.pdf ERG] Hall-B Emergency Response Guidelines
 
* [http://www.jlab.org/Hall-B/run-web/hps/Hall-B_ERG.pdf ERG] Hall-B Emergency Response Guidelines
 
-->
 
-->
 
  
 
|}
 
|}
  
= '''Short Term Schedule''' =
+
<!--#######################################  SHORT TERM  #################################################-->
 +
<!--#######################################  SHORT TERM  #################################################-->
 +
<!--#######################################  SHORT TERM  #################################################-->
 +
 
 +
= Short Term Schedule =
 +
<center><font size=+5>
 +
''' HPS (E12-11-006) 2019 run, June X to August Y''''<br>
 +
''' Beam energy 4.5 GeV '''<br>
 +
''' Important: Document all your work in the logbook! '''<br>
 +
[https://bluejeans.com/794825703 Bluejeans for Run Meetings on DAY and DAY at 2pm]
 +
</font></center>
 +
 
 +
== RC: Stepan Stepanyan  ==
 +
* (757) 575-7540 
 +
* 9 575 7540 from Counting Room
 +
== PDL:  Valery Kubarovsky ==
 +
*  (757) 876-1789
 +
* 9 876-1789 from Counting Room
 +
 
 +
== <font color=red> Important instructions </font> ==
 +
=== <font color=red> * Turn OFF beam before target move!</font> ===
 +
=== <font color=red> * No access to the alcove if the chicane magnet beacon is ON.</font> ===
 +
Chicane magnets must be OFF if the hall is in Controlled access and access to the alcove is needed or when the hall is in Restricted access. If Chicane magnets are OFF, they can be energized only when the hall is in Power or Beam Permit, [https://wiki.jlab.org/hps-run/images/c/cd/Chicane_controls.pdf].
 +
=== <font color=red> * TURN OFF the chicane magnet if beam is not available due to a thunderstorm. Loss off power would seriously damage detectors.</font> ===
 +
 
 +
=== * [https://bta.acc.jlab.org Fill out BTA] hourly. Click "Load from EPICS" to fill the left side, then make sure numbers are correct. If needed edit the entry. ===
 +
NO ABUs or BANU if beam tune is in progress, make it all BNA with ER 100%. At the end of the shift save BTA to the logbook!
 +
=== * Please close any GUI that is not being used, e.g. close harp scanner after harp scan is done, close chicane, after chicane is ON, etc.  ===
 +
 
 +
=== * <b>For orbit lock positions on <font color=red>2H00(X=-0.5,Y=1.5) and on 2H02(X=-1.55,Y=-0.4). Use the 2.82 mm SVT collimator </font></b> ===
  
 
{| {{TableStyle1}}  
 
{| {{TableStyle1}}  
  
| valign=top width=300 |
+
| valign=top width=50% |am profile check once a day, at 9 am, using 2H02 and SVT wire harps
  
== RC: John Jaros  ==  
+
== Run Plan September 8 - 9, 2019 ==
*(757) 575-7540
+
* Take production data with PROD66 (PROD67) / hps_v12_1.trg 20um target at 120 nA, HPS collimator 3.94 mm. Length of the run will be defined by the SVT bias currents, but no longer than 4 hours.
*9 575 7540 from Counting Room
+
** After run starts run the script "ben-trigger-structure.sh [CURRENT RUN NUMBER]" on any clonPCs and make sure pop-up graph shows continuous decanting distribution, does not have peaks (bumps). If peaks will show up, make a log entry with the graph.
== PDL: Harut Avagyan ==
+
+
  
==<font color=red>Every Shift:</font>==
+
* After beam is OFF, 8:00 AM on Monday, do the following:
 +
** turn OFF detectors (SVT, hodoscope, ECal), and retract SVT
 +
** turn off the chicane
 +
** ask for a restricted access 
 +
** start worming up SVT and FEBs
 +
 
 +
* Calibration runs before run ends: - DONE!
 +
*# <del>Random trigger run, 20 um W target, 120 nA beam current, trigger file "hps_v11_5_random_15kHz.trg" - 1x4 hour run </del>
 +
*# <del>Low luminosity run, 8 um target, 120 nA beam current, trigger "hps_v12_1.trg" - 2x4 hour runs </del>
 +
*# <del>SVT bias scan - 2 hours</del>
 +
*# <del>FEE run, 20 um target, 120 nA, trigger TBD (Nathan) - 1x2 hour run  </del>
 +
*# ??? <del>Run with different SVT positions, 20 um target, 120 nA beam current,  trigger "hps_v12_1.trg" - 8 hours</del>
 +
*# <del>Straight track run, setup with 2H02 wire, trigger "hps_v6_FEE_STRAIGHT.trg" - 1 hour, about 20M events </del>
 +
 
 +
==Every Shift:==
 
# Follow run plan as outlined by RC
 
# Follow run plan as outlined by RC
# Keep shift summery up-to-date in HBLOG
+
# '''With any issue contact On-Call Experts or RC'''
# Document any beam condition change and send scaler GUIs to HBLOG
+
# Monitor carefully the SVT bias current (see below for details)
# Send "scaler_hps" GUI to logbook at least twice per shift or any time run conditions change
+
# If any concern about beam stability, ask MCC if orbit locks are on (they should be ON).
# Continuously check quality of data
+
# Keep shift summary up to date in HBLOG. Record all that happens.
==<font color=red size=+2>Every Run:</font>==
+
#* Document any beam condition change and send scaler GUIs to HBLOG
# a
+
#* [https://bta.acc.jlab.org Fill out BTA] hourly.  Click "Load from EPICS" to automatically fill the left side then make sure numbers are correct. If needed edit the entry. Note: in the "Sift information" tab choose experiment <font color=blue> E12-11-006. </font>. At the end of the shift send BTA to teh logbook.
# b
+
#* Fill and submit the [https://logbooks.jlab.org/checklists/530 shift checklist in the logbook]
# c
+
# d
+
  
 +
==Every Run:==
 +
# After "Go":  [https://logbooks.jlab.org/entry/3337784 Check SVT Occupancy]
 +
# Update the [https://docs.google.com/spreadsheets/d/1Ru4weeIOqtcpebiXKxFGCbPXGWXZF-W2JAolHcpvIFU/edit#gid=43855609 Run Spreadsheet]
 +
# Log screenshots of:
 +
#* main scaler_hps display
 +
#* ECAL FADC rate gui
 +
#* Trigger rate gui
 +
#* SVT and HODOSCOPE and ECAL Monitoring pdfs
 +
# Please watch Hybrid sync gui for correct status (currently three red lights) and the L0-3 and L4-6 occupancy plots for any empty plots beyond the expected three.
  
 +
== SVT Bias Currents: ==
  
'''[http://opweb.acc.jlab.org/CSUEApps/bta03/pd_shiftplan_history.php MCC Daily Meetings]'''
+
Shifters must pay attention to the L0 bias currents. This is on both the SVT motor GUI and the main bias GUI. The bias currents will slowly creep up over the course of a run. When the bias current is between 15-20 uA for either L0 sensor, do the following:
 +
# Stop the run.
 +
# Take the beam away, turn off SVT bias voltages, and wait 10 min.
 +
# Turn the bias voltages back on.
 +
# Check that the L0 bias currents have gone back down to ~4 uA
 +
# Bring back the beam and start a new run.
  
 +
Do not let the bias current exceed 20 uA. It takes about 4-5 hours for the bias currents to creep up to those values. Call SVT expert if unsure.
  
| valign=top |
+
== Harp Scan Procedure: ==
  
== Run Plan: Dec. 8 - Dec. 10 ==
+
# During harp scans, SVT must be retracted (motors/SVT Positioners). HVs on SVT, ECal and Hodoscope should be OFF.  
'''<font size=3> Beamline commissioning studies using the Hall B dump, followed by studies of the ECal and Trigger. The goal is to get usable CW beam to the Hall-B dump, set up the chicane, and begin to study beam backgrounds and trigger rates. </font>'''
+
# Halo counter FSDs (Downstream, HPS Up and HPS Down) are masked, Beam current 100 nA, Orbit locks running.
 +
# Perform the HARP scan, log the results.
 +
# If the beam looks different, you should call beam-line on-call that will advise on the next steps.
 +
# If the beam looks different, perform SVT wire scan, the target needs to be retracted as well for this one.
 +
#* '''IMPORTANT, use the bottom SVT wire scan only.''' Top SVT wire is broken.
  
* Re-establish CW 1 pass beam to the Hall-B dump, setting beam to specified settings at the dump screen  and the 2H02 harp. Chicane off. 5 nA.
+
=== Important Notes: ===
* Study the dependence of halo counter rates on beam position. Vary x and y of beam by +/- 7.5 mm, with beams parallel to specified settings above.
+
# When re-establishing beam to Hall B after a >1h long downtime follow "General Guidelines" on the right and the Beamline Procedures and Manual on the shift documentation page. Do not hesitate to call the beamline expert.
Record scaler rates, BPMs, 2H02 harp, and beam location on dump screen. Choose nominal position close to rate minimum, at old nominal, if possible.
+
# '''Do not run more than 60 minutes above 30 nA without the beam blocker in front of Faraday cup. Put beam blocker in for long running at high currents.'''
* With beam at nominal, set up chicane to specified currents for the -7% field point. Instructions provided in Counting House. Verify harp scan and record
+
# ''' For SVT Operations:'''
location on dump screen. Tweak Frascati current if necessary, and record. Record scaler rates.
+
#* From the time beam first comes into the hall until it is being delivered to the Faraday cup with orbit locks on for a known good trajectory, the SVT should be completely off. This is especially important during tuning to the tagger dump, when mis-steering of the beam can result in very high hard neutron backgrounds.
* Ditto for -9% beam position.  
+
#*Once stable beam is being delivered to the Faraday cup with orbit locks on for a known good trajectory, and the SVT collimator is in position, the FEBs and hybrids can be powered and operated, but the HV bias for the sensors must remain off.
* If little change in scaler rates, use -7% setting as chicane standard. If large improvement in scaler rates in going to -9%, try -11%.
+
#*In order to turn on the HV, the FSD system must be functioning so a beam excursion that hits the collimator will quickly trip off the beam.
* Select standard chicane settings.
+
* Commission the HPS target, including measuring noise rates in the Ecal and halo counters vs beam current. Call Stepan before first use of target.
+
* With 1.5 um Pt target, measure scalers and Ecal occ vs beam current.Record Ecal Scalers and scalaer display for each beam current.  
+
* If time allows, begin commissioning the Ecal and trigger with beam on target and data taking.
+
* Expect beam off Tuesday day shift for machine studies. Beam recovery starts on Swing. 
+
** See <b>[[Media:dec4_beamline_commissioning.pdf|Full PDF, Click Here]]</b>
+
** With any issue, contact Beamline Expert, Ecal Expert, DAQ Expert or RC.</font>
+
  
{|
 
 
| valign=top |
 
| valign=top |
  
{| class=wikitable style="text-align:center; margin:auto" width=200
+
==General Instructions==
!colspan=2 style="background:#ffdead;" | Beam
+
 
 +
<!--===DAQ RECOVERY===
 +
If DAQ crashed/broken:
 +
# For every DAQ crash login into clondaq3 as a clasrun then run the following command
 +
#* clasrun@clondaq3:clasrun> <font color='blue'> save_DAQ_logs.pl</font> (See [https://logbooks.jlab.org/files/2016/04/3397123/DAQ_DPM_Crash_0.png])
 +
# [[HPS DAQ Reboot Procedure|Reboot DAQ completely.]].
 +
# If the procedure fails to restore DAQ, call Sergey (DAQ on call) without any further disturbing the DAQ status.-->
 +
 
 +
===Establishing Physics Quality Beam for HPS:===
 +
# <font color='red'>'''Make sure SVT is retracted and detectors, SVT, Hodoscope and ECAL are OFF.'''</font>
 +
# <b>If the beam was off for 4 hours or more or in case of troublesome beam tuning, send a beam to the tagger dump:</b>
 +
#* Check that beam type is set to "Photon" (<tt>HPS_EPICS->Beam->BTA</tt>).
 +
#* Position "Blank" on the beam for the Hall-B collimator 
 +
#* Ask MCC to turn ON the tagger magnet and then deliver <10 nA beam to the tagger dump.
 +
#* Check the beam position on the tagger viewer, it should be approximately in the center of the screen
 +
#* Follow instructions under "Procedures" on the documentation tab for "Beamline"[https://wiki.jlab.org/hps-run/images/e/e6/HPS_beamline_comm.pdf]. To tune the beam on tagger dump and perform harp scans beam current should be <10 nA.
 +
#* Check profile using 2C21 and tagger (2C24) harp scans and compare the positions and widths with previous scans ([https://logbooks.jlab.org/entry/3720088],[https://logbooks.jlab.org/entry/3720089])
 +
#** Positions on both harps should be within 1mm
 +
#** Width on 2C21 should be <~0.2+/-0.05 mm
 +
#** Width on tagger harp (2C24) <~0.5 +/- 0.1mm
 +
#* Background levels on harp scan are comparable to those of previous scans.
 +
<!--#* Halo counters UPS-L/R and TAG-L/T/T2 should be ~few Hz/nA [https://logbooks.jlab.org/entry/3376736]-->
 +
<!-- # <b> While MCC degausses the tagger magnet, verify that chicane is ON</b>
 +
#* If not, turn it on.  Strictly follow the procedure in the beam line manual!-->
 +
# ''' Before sending a beam to the Faraday cup '''
 +
#* If HPS chicane must be ON, make sure that chicane GUI says "Chicane Ready"
 +
#* Set Hall-B Collimator to 20 mm.
 +
#* ''' Check that SVT protection collimator is ON THE BEAM (2.82 mm). If the beam was off for more than 4HPS hours or the configuration has changed, start with 3.94 mm'''
 +
#* HPS target is '''OUT''' and Hodoscope and ECAL HVs are '''OFF'''
 +
#* SVT is OUT (position=0.000 mm on the main HPS scaler GUI) and bias HV is off (all red/green indicators RED in SVT bias GUI)
 +
#* If any uncertainty, page the experts
 +
#* Pay attention into following corrector values: 2C22H, 2C23V, 2H00H, 2H00V, Compare them to ones that are in [https://logbooks.jlab.org/entry/3689166]. Make sure their values don't differ more than 100%. If there is such difference, tell MCC about this.
 +
# ''' Send beam to the Faraday cup '''
 +
#* If the beam optics is correct, then you should immediately see the beam spot on the Downstream Viewer and on the 2H00 and 2H02 BPMS.
 +
#* If you don't see it immediately, and rates on halo counters are more than 100 Khz, then ask MCC, to change to pulsed (tune mode) beam, and ask to restore corrector values. At this point don't accept any CW beam, until beam spot is visible on Downstream Viewer.
 +
#* If MCC operator is not able to tune the beam more than 15 minutes, then notify RC!
 +
#* Follow the instructions under "Procedures" on the documentation tab for "Beamline"[https://wiki.jlab.org/hps-run/images/e/e6/HPS_beamline_comm.pdf] to establish beam to the electron dump.
 +
<b> Note: in order to have reliable readings on two important for HPS BPMs, 2H00 and 2H02, beam current should be >30 nA.</b>
 +
#* Ask MCC to establish 30 nA beam with <font color=red>HPS</font> orbit locks on (We need '''HallBHPSOrb''' not '''HallBOrb''' configuration). <b>For orbit lock positions on <font color=red>2H00(X=1.0,Y=1.5) and on 2H02(X=-1.7,Y=0.3). Use the 2.82 mm SVT collimator. (positions changed 6/25/19 by mg)</font></b>.
 +
#* Tune beam profile at HPS using measured widths on 2H01A and 2H02A harps. The required beam profile at 2H02A harp is: X-width <~0.1 mm, Y-width <~ 0.05 mm. Beam profile using 2H01A and 2H02A harps with previous scans ([https://logbooks.jlab.org/entry/3696650],[https://logbooks.jlab.org/entry/3720218]) to compare.
 +
#* Check and log the beam spot on chromax viewer
 +
#* The halo counter rates before HPS must be very low:
 +
#*# Upstream Left and Right, and the tagger counters few 10's of Hz,
 +
#*# Downstream counters should count <Hz/nA
 +
#*# The halo counter rates on HPS, HPS-L/R/T/SC, depends on the collimator and HPS chicane settings, but should not be more than 50 Hz/nA [https://logbooks.jlab.org/entry/3696813]
 +
#* Positions on BPMs must be close to what they were before [https://logbooks.jlab.org/entry/3696813]
 +
#* When everything is stable, perform SVT wire scan and compare with the nominal [https://logbooks.jlab.org/entry/3720219]
 +
#* Once all the above is achieved, turn ECAL and Hodoscope HV '''ON''' to monitor and log ECal rates
 +
#* Insert the 20 um W target (turn beam off first).
 +
# '''Before accepting beam, make sure all the previous conditions are met. Always read previous log entries, compare settings of BPMs and correctors with previous settings using scaler_hps GUI.'''
 +
 
 +
 
 +
<!--
 +
===SVT Instructions:===
 +
#<font color='red'>Turn SVT completely OFF (Bias, FEB, Flange) when entering Beam Permit.</font>
 +
# Before sending a beam to Faraday cup, verify (and page SVT expert if otherwise):
 +
#* SVT should be open: "Position" at 0.000 mm in the main scaler_hps GUI
 +
#* SVT HV is off: all red/green indicators RED in SVT bias GUI
 +
# The first time sending a beam to the Faraday cup after the hall is closed, page the SVT expert.
 +
-->
 +
<!--
 +
===ECAL Instructions:===
 +
*HV must be OFF during FIRST delivery of beam to the Faraday Cup after tuning to the Tagger Dump.
 +
**Only after stable beam established to Faraday Cup can HV can be turned ON.
 +
*HV should be OFF when running beam studies with Struck scalers with 1 mm wire or tuning collimator position.
 +
-->
 +
 
 
|-
 
|-
| Energy || ~2.0 GeV
+
<!--
 +
!align=left colspan=2 width=100% style="background:#eeeeee;"|
 +
==<font color=red>Recovering from beam trips when running SVT at 0.5 mm:</font>==
 +
# SVT HV will trip off automatically
 +
# Check the FSD GUI to see if high rates in the HPS halo counters generated the trip
 +
#* If it was '''NOT''' an HPS halo counter trip, MCC should restore the beam on their own. As soon beam is back and stable, restore SVT HV.
 +
#* If it was an HPS halo counter trip, MCC will not restore the beam until we request it. Inform MCC that we will get back to them when we are ready for beam.
 +
#*# Retract the SVT to its 1.5 mm stations, both top and bottom.
 +
#*# Tell MCC we are ready for the beam.
 +
#*# Once the beam is restored, confirm that both 2H02 beam positions x and y are as desired and halo counter rates are as expected.
 +
#*# Once the beam is stable for ~1 minute, restore SVT HV and the SVT to its nominal position.
 +
#*# Resume data taking.
 +
-->
 +
 
 
|-
 
|-
| Current || < 200.0 nA CW
+
!align=left width=50% style="background:#eeeeee;"|
 +
 
 +
 
 +
 
 +
|}
 +
 
 +
<!--#######################################  LONG TERM  #################################################-->
 +
<!--#######################################  LONG TERM  #################################################-->
 +
<!--#######################################  LONG TERM  #################################################-->
 +
 
 +
= Long Term Schedule = 
 +
 
 +
== RC daily meetings at 2 pm in the counting-house 2nd-floor conference room. ==
 +
BlueJeans Info:
 +
 
 +
URL:  https://bluejeans.com/794825703
 +
 
 +
Meeting ID: 794825703
 +
 +
[https://plot.ly/~maurik/31/#/ Status of the run]
 +
 
 +
{| {{TableStyle1}}
 +
 
 +
{| {{TableStyle1}}
 +
 
 +
| valign=top |
 +
<!-- *[http://accboard.acc.jlab.org/ Accelerator White Board Schedule]
 +
*[http://opweb.acc.jlab.org/internal/ops/ops_webpage/run_coord/runcoord_form.php?action=main Weekly Run Coordinator Reports]
 +
*[http://opweb.acc.jlab.org/CSUEApps/bta03/pd_shiftplan_history.php MCC Daily Meetings]
 +
*[http://www.jlab.org/Hall-B/hpsshifts HPS Shift Schedule]
 +
-->
 +
{| class=wikitable
 +
!width=300 colspan=2 style="background:#ffdead;"| '''Run Coordinator'''
 
|-
 
|-
|colspan=2 style="background:#e0e0e0;" | Position
+
| June 12 - June 19  || Stepan Stepanyan
 
|-
 
|-
| X || Y
+
| June 19 - June 26  || Matt Graham
 
|-
 
|-
| ~0 mm || ~0 mm
+
| June 26 - July 3 || Tim Nelson
 
|-
 
|-
|colspan=2 style="background:#e0e0e0;" | Profile
+
| July 3 - July 10 || Takashi Maruyama
 
|-
 
|-
| X || Y
+
| July 10 - July 17 || Stepan Stepanyan
 
|-
 
|-
| < 0.1 mm || < 0.1 mm
+
| July 17 - July 24 || Rafayel Paremuzyan
 +
|-
 +
| July 24 - August 7 || Maurik Holtrop
 +
|-
 +
| August 7 - August 19 || Raphael Dupre
 +
|-
 +
| August 19 - August 21 || Stepan Stepanyan
 
|}
 
|}
  
{| class=wikitable style="text-align:center; margin:auto" width=200
+
{| class=wikitable
!colspan=2 style="background:#ffdead;"| Target
+
!width=300 colspan=2 style="background:#ffdead;"| '''Physics Division Liaison'''
 
|-
 
|-
| #1 || 0 mm
+
| HPS-2019 || Valery Kubarovsky
 
|}
 
|}
  
{| class=wikitable style="text-align:center; margin:auto;" width=200
+
| valign=top |
!colspan=2 style="background:#ffdead;"| Magnets
+
 
 +
{| class=wikitable
 +
!width=300 colspan=2 style="background:#ffdead;" | '''Beamline'''
 
|-
 
|-
| PS Current || 0 A
+
| June 12 - June 19  || Rafo Paremuzyan
 
|-
 
|-
| Chicane Dipole #1 ||  0 A
+
| June 19 - July 29 ||  Stepan Stepanyan
 
|-
 
|-
| Chicane Dipole #2 || 0 A
+
| July 29 - August 18  || Rafo Paremuzyan
 
|}
 
|}
  
| valign="top" |
+
{| class=wikitable
 +
!width=300 colspan=2 style="background:#ffdead;" | '''SlowControls'''
 +
|-
 +
| June 12 - Augus 19  || Nathan Baltzell
 +
<!--|-
 +
| July X - July Y || -->
 +
|}
  
{| class=wikitable style="text-align:center; margin:auto;" width=400
+
{| class=wikitable
!colspan=2 style="background:#ffdead;"| DAQ
+
!width=300 colspan=2 style="background:#ffdead;" | '''ECAL/HODOSCOPE'''
 
|-
 
|-
|Configuration      || ___________________
+
| June 12 - July 1 || Nathan Baltzell
 
|-
 
|-
|Configuration file ||
+
| July 1 - July 8 || Raffaella DeVita
 
|-
 
|-
|Prescales          ||
+
| July 8 - July 15 || Rafayel Paremuzyan
 
|-
 
|-
|Thresholds        ||
+
| July 15 - July 22 || Andrea Celentano
 
|-
 
|-
|Events Per Run    ||
+
| July 22 - July 29 || Rafayel Paremuzyan
 
|-
 
|-
|Dead Time ||
+
| July 29 - August 5 || Raphel Dupre
 +
|-
 +
| August 5 - August 19 || Gabriel Charles
 
|}
 
|}
  
 
+
{| class=wikitable
 +
!width=300 colspan=2 style="background:#ffdead;" | '''DAQ'''
 +
|-
 +
| 24/7/365 || Sergey Boyarinov
 
|}
 
|}
 
+
<!--Michel Garcon: Michel Gar&ccedil;on-->
 
+
|}
+
 
+
= '''Long Term Schedule''' = 
+
 
+
{| {{TableStyle1}}
+
 
+
| valign=top width=200|
+
 
+
[[Image:AccumulatedCharge.png|300px]]
+
 
+
| valign=top |
+
 
+
<!--*[http://opsntsrv.acc.jlab.org/org/MCC_whiteboard/MCC_scheduling_whiteboard.html Accelerator White Board Schedule]-->
+
*[http://accboard.acc.jlab.org/ Accelerator White Board Schedule]
+
*[http://opweb.acc.jlab.org/internal/ops/ops_webpage/run_coord/runcoord_form.php?action=main Weekly Run Coordinator Reports]
+
*[http://opweb.acc.jlab.org/CSUEApps/bta03/pd_shiftplan_history.php MCC Daily Meetings]
+
*[http://www.jlab.org/Hall-B/hpsshifts HPS Shift Schedule]
+
 
+
  
 
| valign=top |
 
| valign=top |
  
 
{| class=wikitable
 
{| class=wikitable
!colspan=2 style="background:#ffdead;"| '''Run Coordinator'''
+
!width=300 colspan=2 style="background:#ffdead;" | '''SVT'''
 
|-
 
|-
| X - Nov 19 || Stepan Stepanyan
+
| June 01-05 || Tim Nelson
 
|-
 
|-
| Nov 19 - Dec 3 || Nathan Baltzell
+
| June 01-07 || Cameron Bravo
 
|-
 
|-
| Dec 3 - 9 || John Jaros
+
| June 07-11 || Omar Moreno
 
|-
 
|-
| Dec 9 - 22 || Takashi Maruyama
+
| June 12 || Omar Moreno and Matt Solt
|}
+
|-
 
+
| June 12-19 || Vitaliy Fadeyev
| valign=top |
+
|-
 
+
| June 13-18 || Matt Solt
{| class=wikitable
+
|-
!colspan=2 style="background:#ffdead;"| '''Physics Division Liaison'''
+
| June 19-26 || Omar Moreno
 +
|-
 +
| June 26-July 03 || Cameron Bravo
 +
|-
 +
| July 03-10 || Tim Nelson
 +
|-
 +
| July 10-17 || Omar Moreno
 +
|-
 +
| July 17-24 || Cameron Bravo
 +
|-
 +
| July 24-31 || Tim Nelson
 +
|-
 +
| July 31-August 07 || Matt Graham
 
|-
 
|-
| X - || Harut Avakian
+
| August 07-14 || Matt Solt
 
|-
 
|-
| DATE || NAME
+
| August 14-21 || Matt Solt
 
|}
 
|}
 
  
 
|}
 
|}
  
  
 +
<!-- --
 +
<center><font size=2 color=red >Spring 2016 Final @ 2.315 GeV:</font><br></center>.
 +
[[Image:charge2016.png|center|900px]]
 +
----
 +
<center><font size=2 color=red >Spring 2015 Final @ 1 GeV:</font><br></center>.
 +
[[Image:charge.png|center|900px]]
 +
-->
 +
<!--#######################################  MONITORING  #################################################-->
 +
<!--#######################################  MONITORING  #################################################-->
 +
<!--#######################################  MONITORING  #################################################-->
  
 +
= Monitoring =
 +
{| {{TableStyle1}}
  
 +
| valign=top width=400|
 +
<b>Webcams:</b>
 +
* [http://cctv1.jlab.org Tagger Dump]
 +
* [http://hallbcam08.jlab.org Faraday Cup]
 +
* [http://cctv7.jlab.org SVT Chiller]
 +
* [http://cctv10.jlab.org SVT Motors]
 +
* [http://cctv12.jlab.org Alcove]
  
= '''Accelerator''' =
+
<!--
 +
| valign=top width=400|
 +
<b>Trigger:</b>
 +
* 1.1 GeV MC Trigger Distributions
 +
** #Hits: [[Media:0Hit.pdf|0]], [[Media:1Hit.pdf|1]], [[Media:2Hit.pdf|2]], [[Media:3Hit.pdf|3]]
 +
-->
 +
 
 +
| valign=top width=400|
 +
<b>Accelerator:</b>
 +
* [http://epicsweb.jlab.org Accelerator EPICS-WEB] (offsite access)
 +
* [https://epicsweb.jlab.org/wedm/screen?edl=/cs/opshome/edm/wall/Status_W_Accel.edl Accelerator Status Page]
 +
* [https://hallbopi.jlab.org/webopi3.3/w?opi=https://hallbopi.jlab.org/opis/detectors/HPS/scaler_hps.opi HPS EPICS-WEB] (offsite access)
 +
* [http://clasweb.jlab.org/cgi-bin/HALL_ABC/hall_abc_new.pl End Station Status]
 
* [http://www.jlab.org/accel/ops_orientation/useful.html Accelerator Ops 1]
 
* [http://www.jlab.org/accel/ops_orientation/useful.html Accelerator Ops 1]
 
* [http://www.jlab.org/accel/ops/ops.html Accelerator Ops 2]
 
* [http://www.jlab.org/accel/ops/ops.html Accelerator Ops 2]
* [http://opsweb.jlab.org/CSUEApps/elog/elog.php MCC Elog]
 
* [https://bta Beam Time Accounting]
 
 
* [http://accboard.acc.jlab.org/ Accelerator White Board Schedule]
 
* [http://accboard.acc.jlab.org/ Accelerator White Board Schedule]
<!--* [http://opsntsrv.acc.jlab.org/org/MCC_whiteboard/MCC_scheduling_whiteboard.html Accelerator White Board Schedule]-->
+
* [http://opsntsrv.acc.jlab.org/ops_docs/MCC_web_interface/ Accelerator OPS Documents]  
 +
| valign=top width=400|
 +
<b>Slow Controls:</b>
 +
* [[HPS MYA Variables]]
 +
* [http://clasweb.jlab.org/cgi-bin/epics_history/epics.pl Hall B EPICS Database]
  
  
 
+
| valign=top width=400|
= '''Monitoring''' =
+
<b>Online & Offline:</b>
{| {{TableStyle1}}
+
* [http://hpsweb.jlab.org/dqm DQM]
 
+
* [[Monitoring Gui]]
| valign=top |
+
* [http://hpsweb.jlab.org/hps-run-webapp/ Run Database]
 
+
* [https://clasweb.jlab.org/rcdb Run Conditions Database]
Webcams only accessible inside Hall gateway.
+
* [http://hpsweb.jlab.org/datacat/display/browser HPS Data Catalog]
* [http://cctv1.jlab.org Tagger Beam Dump Viewer]
+
* [http://srs.slac.stanford.edu/hudson/view/HPS/job/hps-modules/ Jenkins] / [http://srs.slac.stanford.edu/nexus/index.html#nexus-search;quick~hps-distribution Nexus] / [http://java.freehep.org/svn/repos/hps/list/java/trunk/ SVN]
* [http://cctv6.jlab.org Faraday Cup Viewer]
+
* [https://confluence.slac.stanford.edu/display/hpsg/Heavy+Photon+Search+Experiment Confluence]
* [http://cctv10.jlab.org ECal Chiller Viewer]
+
* [https://github.com/JeffersonLab/HPS-NOTES/tree/master/SHIFT Shift Docs @ GitHub]
* [http://cctv11.jlab.org ECal LV Supply Viewer]
+
* [http://cctv12.jlab.org Alcove Viewer]
+
 
+
 
+
| valign=top |
+
 
+
* [http://clasweb.jlab.org/cgi-bin/HALL_ABC/hall_abc_new.pl End Station Status]
+
* [http://clasweb.jlab.org/cgi-bin/ONLINE_TIMELINE/tieline_frames.pl Online Time Histories]
+
* [http://clasweb.jlab.org/cgi-bin/epics_history/epics.pl Slow Controls Time Histories]
+
 
+
| valign=top |
+
 
+
* [[HPS Conditions Database|HPS Conditions Database]]
+
* [[HPS Monitoring GUI|HPS Monitoring GUI]]
+
* [[HPS Data Catalog|HPS Data Catalog]]
+
* ...
+
 
+
 
|}
 
|}
  
Line 273: Line 480:
 
-->
 
-->
  
<headertabs />
 
  
 +
<center>
 +
 +
= Phone Numbers =
 +
<font size=3>
 +
{| class=wikitable cellpadding="10" cellspacing="0" style="border-left:3px solid gray;border-right:3px solid gray;border-bottom:1px solid gray;"
 +
!style="background:#ffdead;border-bottom:3px solid gray; border-top:3px solid gray" | '''System/Person''' ||style="background:#ffdead;border-bottom:3px solid gray;border-top:3px solid gray" | '''Pager/Phone Number'''
 +
|-
 +
| '''Run Coordinator''' || '''(757) 575-7540''' (cell)
 +
|-
 +
| '''Physics Div. Liaison''' || '''(757) 876-1789''' (cell)
 +
|-
 +
| '''MCC-OPS''' || '''7048'''
 +
|-
 +
| '''Crew Chief''' || '''7045'''
 +
|-
 +
|'''Crew Chief''' ||  '''9-879-3367''' (cell)
 +
|-
 +
| '''Program Deputy''' || '''9-876-7997''' (cell)
 +
|-
 +
|style="border-bottom:3px solid gray;" | '''Gate House Guard''' ||style="border-bottom:3px solid gray;"| '''5822'''
 +
|-
 +
| DAQ/Online || (757) 869-2188 (cell)
 +
|-
 +
|SVT ||  (757) 310-7198 (cell)
 +
|-
 +
| ECAL || (757) 810-1489 (cell)
 +
|-
 +
| Slow Controls || (757) 748-6922 (cell)
 +
|-
 +
| Beamline || (757) 303-3996 (cell)
 +
|-
 +
|style="border-bottom:3px solid gray;"| Engineering ||style="border-bottom:3px solid gray;"| (757) 748-5048
 +
|-
 +
| Hall-B Floor || 5165
 +
|-
 +
| Hall-B Space Frame || 5170, 5171
 +
|-
 +
| Hall-B Forward Carriage || 5371
 +
|-
 +
| Hall-B Counting Room || 5244(Shift1), 5245(Shift2)
 +
|-
 +
| Hall-B Counting Room || 5247(Expert), 5502(Target)
 +
|-
 +
| Hall-B Counting Room || 5246(RC1), 5126(RC2)
 +
|-
 +
|style="border-bottom:3px solid gray;"| Hall-B Gas Shed ||style="border-bottom:3px solid gray;"| 7115
 +
|}
 +
</font>
 +
 +
<headertabs />
 
__NOEDITSECTION__
 
__NOEDITSECTION__
 
__NOTOC__
 
__NOTOC__
  
<!--[[Image:svtpic.png|300px]][[Image:ecalpic.png|300px]]-->
+
{| {{TableStyle1}}
<!--[[Image:hpslogo9.jpg|250px]]-->
+
| valign=top style="text-align:center"|
 +
[[Image:svtpic.png|300px]]
 +
| valign=top style="text-align:center"|
 +
[[Image:ecalpic.png|300px]]
 +
|}

Latest revision as of 09:55, 10 September 2019


[edit]

HPS (E12-11-006) 2019 run, June X to August Y'
Beam energy 4.5 GeV
Important: Document all your work in the logbook!
Bluejeans for Run Meetings on DAY and DAY at 2pm

RC: Stepan Stepanyan

  • (757) 575-7540
  • 9 575 7540 from Counting Room

PDL: Valery Kubarovsky

  • (757) 876-1789
  • 9 876-1789 from Counting Room

Important instructions

* Turn OFF beam before target move!

* No access to the alcove if the chicane magnet beacon is ON.

Chicane magnets must be OFF if the hall is in Controlled access and access to the alcove is needed or when the hall is in Restricted access. If Chicane magnets are OFF, they can be energized only when the hall is in Power or Beam Permit, [1].

* TURN OFF the chicane magnet if beam is not available due to a thunderstorm. Loss off power would seriously damage detectors.

* Fill out BTA hourly. Click "Load from EPICS" to fill the left side, then make sure numbers are correct. If needed edit the entry.

NO ABUs or BANU if beam tune is in progress, make it all BNA with ER 100%. At the end of the shift save BTA to the logbook!

* Please close any GUI that is not being used, e.g. close harp scanner after harp scan is done, close chicane, after chicane is ON, etc.

* For orbit lock positions on 2H00(X=-0.5,Y=1.5) and on 2H02(X=-1.55,Y=-0.4). Use the 2.82 mm SVT collimator

am profile check once a day, at 9 am, using 2H02 and SVT wire harps

Run Plan September 8 - 9, 2019

  • Take production data with PROD66 (PROD67) / hps_v12_1.trg 20um target at 120 nA, HPS collimator 3.94 mm. Length of the run will be defined by the SVT bias currents, but no longer than 4 hours.
    • After run starts run the script "ben-trigger-structure.sh [CURRENT RUN NUMBER]" on any clonPCs and make sure pop-up graph shows continuous decanting distribution, does not have peaks (bumps). If peaks will show up, make a log entry with the graph.
  • After beam is OFF, 8:00 AM on Monday, do the following:
    • turn OFF detectors (SVT, hodoscope, ECal), and retract SVT
    • turn off the chicane
    • ask for a restricted access
    • start worming up SVT and FEBs
  • Calibration runs before run ends: - DONE!
    1. Random trigger run, 20 um W target, 120 nA beam current, trigger file "hps_v11_5_random_15kHz.trg" - 1x4 hour run
    2. Low luminosity run, 8 um target, 120 nA beam current, trigger "hps_v12_1.trg" - 2x4 hour runs
    3. SVT bias scan - 2 hours
    4. FEE run, 20 um target, 120 nA, trigger TBD (Nathan) - 1x2 hour run
    5.  ??? Run with different SVT positions, 20 um target, 120 nA beam current, trigger "hps_v12_1.trg" - 8 hours
    6. Straight track run, setup with 2H02 wire, trigger "hps_v6_FEE_STRAIGHT.trg" - 1 hour, about 20M events

Every Shift:

  1. Follow run plan as outlined by RC
  2. With any issue contact On-Call Experts or RC
  3. Monitor carefully the SVT bias current (see below for details)
  4. If any concern about beam stability, ask MCC if orbit locks are on (they should be ON).
  5. Keep shift summary up to date in HBLOG. Record all that happens.
    • Document any beam condition change and send scaler GUIs to HBLOG
    • Fill out BTA hourly. Click "Load from EPICS" to automatically fill the left side then make sure numbers are correct. If needed edit the entry. Note: in the "Sift information" tab choose experiment E12-11-006. . At the end of the shift send BTA to teh logbook.
    • Fill and submit the shift checklist in the logbook

Every Run:

  1. After "Go": Check SVT Occupancy
  2. Update the Run Spreadsheet
  3. Log screenshots of:
    • main scaler_hps display
    • ECAL FADC rate gui
    • Trigger rate gui
    • SVT and HODOSCOPE and ECAL Monitoring pdfs
  4. Please watch Hybrid sync gui for correct status (currently three red lights) and the L0-3 and L4-6 occupancy plots for any empty plots beyond the expected three.

SVT Bias Currents:

Shifters must pay attention to the L0 bias currents. This is on both the SVT motor GUI and the main bias GUI. The bias currents will slowly creep up over the course of a run. When the bias current is between 15-20 uA for either L0 sensor, do the following:

  1. Stop the run.
  2. Take the beam away, turn off SVT bias voltages, and wait 10 min.
  3. Turn the bias voltages back on.
  4. Check that the L0 bias currents have gone back down to ~4 uA
  5. Bring back the beam and start a new run.

Do not let the bias current exceed 20 uA. It takes about 4-5 hours for the bias currents to creep up to those values. Call SVT expert if unsure.

Harp Scan Procedure:

  1. During harp scans, SVT must be retracted (motors/SVT Positioners). HVs on SVT, ECal and Hodoscope should be OFF.
  2. Halo counter FSDs (Downstream, HPS Up and HPS Down) are masked, Beam current 100 nA, Orbit locks running.
  3. Perform the HARP scan, log the results.
  4. If the beam looks different, you should call beam-line on-call that will advise on the next steps.
  5. If the beam looks different, perform SVT wire scan, the target needs to be retracted as well for this one.
    • IMPORTANT, use the bottom SVT wire scan only. Top SVT wire is broken.

Important Notes:

  1. When re-establishing beam to Hall B after a >1h long downtime follow "General Guidelines" on the right and the Beamline Procedures and Manual on the shift documentation page. Do not hesitate to call the beamline expert.
  2. Do not run more than 60 minutes above 30 nA without the beam blocker in front of Faraday cup. Put beam blocker in for long running at high currents.
  3. For SVT Operations:
    • From the time beam first comes into the hall until it is being delivered to the Faraday cup with orbit locks on for a known good trajectory, the SVT should be completely off. This is especially important during tuning to the tagger dump, when mis-steering of the beam can result in very high hard neutron backgrounds.
    • Once stable beam is being delivered to the Faraday cup with orbit locks on for a known good trajectory, and the SVT collimator is in position, the FEBs and hybrids can be powered and operated, but the HV bias for the sensors must remain off.
    • In order to turn on the HV, the FSD system must be functioning so a beam excursion that hits the collimator will quickly trip off the beam.

General Instructions

Establishing Physics Quality Beam for HPS:

  1. Make sure SVT is retracted and detectors, SVT, Hodoscope and ECAL are OFF.
  2. If the beam was off for 4 hours or more or in case of troublesome beam tuning, send a beam to the tagger dump:
    • Check that beam type is set to "Photon" (HPS_EPICS->Beam->BTA).
    • Position "Blank" on the beam for the Hall-B collimator
    • Ask MCC to turn ON the tagger magnet and then deliver <10 nA beam to the tagger dump.
    • Check the beam position on the tagger viewer, it should be approximately in the center of the screen
    • Follow instructions under "Procedures" on the documentation tab for "Beamline"[2]. To tune the beam on tagger dump and perform harp scans beam current should be <10 nA.
    • Check profile using 2C21 and tagger (2C24) harp scans and compare the positions and widths with previous scans ([3],[4])
      • Positions on both harps should be within 1mm
      • Width on 2C21 should be <~0.2+/-0.05 mm
      • Width on tagger harp (2C24) <~0.5 +/- 0.1mm
    • Background levels on harp scan are comparable to those of previous scans.
  3. Before sending a beam to the Faraday cup
    • If HPS chicane must be ON, make sure that chicane GUI says "Chicane Ready"
    • Set Hall-B Collimator to 20 mm.
    • Check that SVT protection collimator is ON THE BEAM (2.82 mm). If the beam was off for more than 4HPS hours or the configuration has changed, start with 3.94 mm
    • HPS target is OUT and Hodoscope and ECAL HVs are OFF
    • SVT is OUT (position=0.000 mm on the main HPS scaler GUI) and bias HV is off (all red/green indicators RED in SVT bias GUI)
    • If any uncertainty, page the experts
    • Pay attention into following corrector values: 2C22H, 2C23V, 2H00H, 2H00V, Compare them to ones that are in [5]. Make sure their values don't differ more than 100%. If there is such difference, tell MCC about this.
  4. Send beam to the Faraday cup
    • If the beam optics is correct, then you should immediately see the beam spot on the Downstream Viewer and on the 2H00 and 2H02 BPMS.
    • If you don't see it immediately, and rates on halo counters are more than 100 Khz, then ask MCC, to change to pulsed (tune mode) beam, and ask to restore corrector values. At this point don't accept any CW beam, until beam spot is visible on Downstream Viewer.
    • If MCC operator is not able to tune the beam more than 15 minutes, then notify RC!
    • Follow the instructions under "Procedures" on the documentation tab for "Beamline"[6] to establish beam to the electron dump.

Note: in order to have reliable readings on two important for HPS BPMs, 2H00 and 2H02, beam current should be >30 nA.

    • Ask MCC to establish 30 nA beam with HPS orbit locks on (We need HallBHPSOrb not HallBOrb configuration). For orbit lock positions on 2H00(X=1.0,Y=1.5) and on 2H02(X=-1.7,Y=0.3). Use the 2.82 mm SVT collimator. (positions changed 6/25/19 by mg).
    • Tune beam profile at HPS using measured widths on 2H01A and 2H02A harps. The required beam profile at 2H02A harp is: X-width <~0.1 mm, Y-width <~ 0.05 mm. Beam profile using 2H01A and 2H02A harps with previous scans ([7],[8]) to compare.
    • Check and log the beam spot on chromax viewer
    • The halo counter rates before HPS must be very low:
      1. Upstream Left and Right, and the tagger counters few 10's of Hz,
      2. Downstream counters should count <Hz/nA
      3. The halo counter rates on HPS, HPS-L/R/T/SC, depends on the collimator and HPS chicane settings, but should not be more than 50 Hz/nA [9]
    • Positions on BPMs must be close to what they were before [10]
    • When everything is stable, perform SVT wire scan and compare with the nominal [11]
    • Once all the above is achieved, turn ECAL and Hodoscope HV ON to monitor and log ECal rates
    • Insert the 20 um W target (turn beam off first).
  1. Before accepting beam, make sure all the previous conditions are met. Always read previous log entries, compare settings of BPMs and correctors with previous settings using scaler_hps GUI.




RC daily meetings at 2 pm in the counting-house 2nd-floor conference room.

BlueJeans Info:

URL: https://bluejeans.com/794825703

Meeting ID: 794825703

Status of the run

Run Coordinator
June 12 - June 19 Stepan Stepanyan
June 19 - June 26 Matt Graham
June 26 - July 3 Tim Nelson
July 3 - July 10 Takashi Maruyama
July 10 - July 17 Stepan Stepanyan
July 17 - July 24 Rafayel Paremuzyan
July 24 - August 7 Maurik Holtrop
August 7 - August 19 Raphael Dupre
August 19 - August 21 Stepan Stepanyan
Physics Division Liaison
HPS-2019 Valery Kubarovsky
Beamline
June 12 - June 19 Rafo Paremuzyan
June 19 - July 29 Stepan Stepanyan
July 29 - August 18 Rafo Paremuzyan
SlowControls
June 12 - Augus 19 Nathan Baltzell
ECAL/HODOSCOPE
June 12 - July 1 Nathan Baltzell
July 1 - July 8 Raffaella DeVita
July 8 - July 15 Rafayel Paremuzyan
July 15 - July 22 Andrea Celentano
July 22 - July 29 Rafayel Paremuzyan
July 29 - August 5 Raphel Dupre
August 5 - August 19 Gabriel Charles
DAQ
24/7/365 Sergey Boyarinov
SVT
June 01-05 Tim Nelson
June 01-07 Cameron Bravo
June 07-11 Omar Moreno
June 12 Omar Moreno and Matt Solt
June 12-19 Vitaliy Fadeyev
June 13-18 Matt Solt
June 19-26 Omar Moreno
June 26-July 03 Cameron Bravo
July 03-10 Tim Nelson
July 10-17 Omar Moreno
July 17-24 Cameron Bravo
July 24-31 Tim Nelson
July 31-August 07 Matt Graham
August 07-14 Matt Solt
August 14-21 Matt Solt


System/Person Pager/Phone Number
Run Coordinator (757) 575-7540 (cell)
Physics Div. Liaison (757) 876-1789 (cell)
MCC-OPS 7048
Crew Chief 7045
Crew Chief 9-879-3367 (cell)
Program Deputy 9-876-7997 (cell)
Gate House Guard 5822
DAQ/Online (757) 869-2188 (cell)
SVT (757) 310-7198 (cell)
ECAL (757) 810-1489 (cell)
Slow Controls (757) 748-6922 (cell)
Beamline (757) 303-3996 (cell)
Engineering (757) 748-5048
Hall-B Floor 5165
Hall-B Space Frame 5170, 5171
Hall-B Forward Carriage 5371
Hall-B Counting Room 5244(Shift1), 5245(Shift2)
Hall-B Counting Room 5247(Expert), 5502(Target)
Hall-B Counting Room 5246(RC1), 5126(RC2)
Hall-B Gas Shed 7115


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