Jefferson Lab Hall C Logbook for February 08 - runstarts omitted

  • Main INDEX

    Friday

  • 151026 02/29/08 17:16  M JOnes        Moved S0 adc cables

  • 151020 02/29/08 13:44  M Jones        Turned on HV to FPP Chamber B for cosmic test

    • Thursday

  • 151019 02/28/08 17:07  hcf            DC gas was pure argon -- restored to 50/50 mixture

    • Wednesday

    

    Tuesday
    

  • 151003 02/26/08 14:52  beaufait       moeller

  • 150977 02/26/08 10:48  beaufait       M test

    • 

    Monday
    

    

    Saturday
    

  • 150940 02/23/08 17:25  M.M            Gas alarm

    • 

    Friday
    

    

    Thursday
    

    

    Wednesday
    

  • 150918 02/20/08 17:11  beaufait       SOS quad LCW hoses

  • 150917 02/20/08 15:36                 

    • 

    Tuesday
    

    

    Monday
    

  • 150885 02/18/08 18:37  puckett        Gas alarm now cleared for ~10 minutes

  • 150884 02/18/08 18:01   puckett       GasMaster Alarm cleared for 1-2 minutes, then goes off again...

  • 150883 02/18/08 17:59  hcf            Gas

  • 150882 02/18/08 17:48  puckett        ethane valve on manifold was closed...

  • 150881 02/18/08 17:33  puckett        also, ethane bottle is valved all the way ON...

  • 150880 02/18/08 17:24  puckett        GasMaster Alarm -- ethane pressure zero even though bottle at full weight...

  • 150879 02/18/08 15:48  frw            helium empty

  • 150878 02/18/08 15:47  frw            gas alarm: ethane empty

    • 

    Friday
    

  • 150877 02/15/08 16:41  W. Luo         Swap (22,03) (22,04) on BigCal plateform

  • 150876 02/15/08 16:41  W. Luo         Swap (22,03) (22,04) on BigCal plateform

    • 

    Thursday
    

  • 150875 02/14/08 17:52  W. Luo         BigCal cable bad connection: (42,18), (42,20), (42,22) 

  • 150874 02/14/08 17:31  W. Luo         Turn off BigCal HV, booster and generator off

  • 150873 02/14/08 16:02  W . Luo        Load BigCal HV hv_70019.new

  • 150870 02/14/08 15:31  W. Luo         Run 68755, HV file hv_70003.new

  • 150853 02/14/08 12:28  W. Luo         Decrease BigCal HV 

  • 150852 02/14/08 11:47  W. Luo         Run 68747 with HV increased 30v

  • 150849 02/14/08 11:11  W. Luo         updated BigCal threshold for led run

  • 150842 02/14/08 10:31  W. Luo         Turn on BigCal HV, booster and generator

    • 

    Wednesday
    

  • 150827 02/13/08 18:38  W. Luo         Turn off BigCal HV and booster, generator off

  • 150824 02/13/08 18:06  W. Luo         Turn on BigCal HV and booster, restore HV settings at kine5 and do LED run

  • 150823 02/13/08 17:44  puckett        BigCal calibration constants updated for all kin. 5 data from 2007 and Analyzer updates

    • 

    Tuesday
    

  • 150822 02/12/08 17:44  frw            HMS drift chamber gas flow reduced

    • 

    Monday
    

  • 150821 02/11/08 11:20  L.Pentchev     BigCal HV off

  • 150820 02/11/08 10:44  Fowler         Dipole Off

  • 150819 02/11/08 10:28  vulcan         Power supply (Big Bite)

  • 150818 02/11/08 09:58  cdaq           Beam Time Accounting

  • 150817 02/11/08 09:28  smithg         Target: Finished warmup

  • 150816 02/11/08 08:46  smithg         Target: Beginning warmup

  • 150815 02/11/08 06:30  W. Luo         Leave BigCal HV on

  • 150814 02/11/08 06:24  M.M            HMS, FPP HV OFF, magnets currents set to 0amp

  • 150813 02/11/08 06:18  M.M            Owl Shift summary

  • 150812 02/11/08 06:18  M.M            Reboot HMS control system 

  • 150811 02/11/08 06:13  W. Luo         Helium bottle is empty

  • 150809 02/11/08 06:00  Lovelace       Target: Owl Shift 6:00

  • 150808 02/11/08 05:58  W. Luo         BCM&BPM

  • 150806 02/11/08 05:04  horn           HMS set for 1.9 GeV kinematics

  • 150804 02/11/08 04:37  horn           HMS magnet controls back

  • 150802 02/11/08 04:22  Lovelace       Target: Owl Shift 4:00

  • 150801 02/11/08 04:09  W. Luo         Optics study: momentum, 2150mev/c; Theta_hms, 26; 15cm dummy

  • 150800 02/11/08 04:00  M.M            HMS control system crashed

  • 150799 02/11/08 03:13  W. Luo         HMS control GUI crashed

  • 150798 02/11/08 03:05  Lovelace       Target: Owl Shift 1:22

  • 150794 02/11/08 01:48  L.Pentchev     don't see the downstream wall of the 20cm dummy

  • 150792 02/11/08 01:31  Lovelace       Target: Owl Shift 1:22

  • 150786 02/11/08 00:16  Lovelace       Target: Owl Shift Dummy Target 20cm

  • 150784 02/11/08 00:07  jmaxwell       Target: Moved to 20cm Dummy

  • 150782 02/11/08 00:04  cdaq           Beam Time Accounting

  • 150781 02/11/08 00:01  ejensen        Swing shift summary

    • 

    Sunday
    

  • 150779 02/10/08 23:41  jmaxwell       Target: screenshot

  • 150778 02/10/08 23:40  ejensen        helium pressure

  • 150777 02/10/08 23:39  jmaxwell       Target: Moved target to 3 foil Al

  • 150775 02/10/08 23:26  ejensen        bcm/bpm

  • 150774 02/10/08 23:16  L.Pentchev     changes for the optical studies

  • 150772 02/10/08 23:07  ejensen        optics

  • 150771 02/10/08 22:21  jmaxwell       Target: Moved target to 2 foil Al

  • 150759 02/10/08 20:10  ejensen        EP Scan

  • 150758 02/10/08 20:10  jmaxwell       Target: Target moved to 20cm LH2

  • 150751 02/10/08 18:31  ejensen        target change

  • 150749 02/10/08 18:13  jmaxwell       Target: Target Moved to 15 cm LH2+Radiator

  • 150745 02/10/08 17:24  ejensen        mcc problem

  • 150742 02/10/08 16:56  ejensen        taking data again

  • 150740 02/10/08 16:35  gaskell        Moller cooldown aborted

  • 150739 02/10/08 16:31  horn/fowler    HMS dipole and Q2 tripped

  • 150738 02/10/08 16:17  jmaxwell       Target: snapshot

  • 150737 02/10/08 16:09  cdaq           Beam Time Accounting

  • 150736 02/10/08 16:05  X. Zheng       day shift summary

  • 150734 02/10/08 16:02  X. Zheng       target for this run

  • 150732 02/10/08 16:00  horn           HMS dipole back

  • 150727 02/10/08 15:30  dhamilton      BigCal thresholds reduced for low current epgamma run

  • 150726 02/10/08 15:30  bogdanw        BigBite current set to 150A

  • 150725 02/10/08 15:05  X. Zheng       HMS communication problem (again), and going to controlled access now

  • 150724 02/10/08 14:46  X. Zheng       HMS dipole tripped

  • 150722 02/10/08 14:23  Yi Zhang       loop1 JT valve

  • 150720 02/10/08 13:08  gaskell        Starting Moller cooldown

  • 150719 02/10/08 10:52  smithg         Target: started to open JT

  • 150718 02/10/08 09:44  smithg         Target: alarm handler was not running

  • 150717 02/10/08 09:33  smithg         Target: hats off to cryo

  • 150716 02/10/08 08:58  smithg         Target: bullshit

  • 150715 02/10/08 08:07  Danagoulian    Shift summary

  • 150714 02/10/08 08:04  cdaq           Beam Time Accounting

  • 150713 02/10/08 07:31  Danagoulian    Hall C status

  • 150712 02/10/08 05:21  Danagoulian    ESR is up and running

  • 150711 02/10/08 03:51  Danagoulian    ESR crash

  • 150710 02/10/08 03:50  W. Luo         BCM&BPM

  • 150709 02/10/08 03:14  Lovelace       Target: 2:27 Owl

  • 150708 02/10/08 02:58  gaskell        ESR crashed

  • 150706 02/10/08 01:50  W. Luo         Stop run 68716, power cycled Roc13, 14&hallc switch

  • 150701 02/10/08 01:18  Lovelace       Target: 1:17 Owl

  • 150698 02/10/08 00:49  Lovelace       Target: Start Owl

  • 150695 02/10/08 00:10  Lovelace       Target: Start Owl

  • 150692 02/10/08 00:02  cdaq           Beam Time Accounting

  • 150691 02/10/08 00:01  hamlet         Swing Shift Summary, 09 Febr 08

    • 

    Saturday
    

  • 150670 02/09/08 19:19  Jonathan Mil   Target Screens

  • 150663 02/09/08 18:03  dhamilton      ROC2 reboot was not needed - mistake in online analysis

  • 150662 02/09/08 17:38  cdaq           Run Query:MSQL server has gone away: Production LH2, WACS.

  • 150660 02/09/08 17:17  hamlet         Have DAQ problem after run 68696

  • 150657 02/09/08 16:47  hamlet         Runs with number 68694 and 68695 are junk

  • 150652 02/09/08 16:01  cdaq           Beam Time Accounting

  • 150651 02/09/08 15:59  X. Zheng       day shift summary

  • 150647 02/09/08 14:54  kelleher       target screens for Feb 9, Day

  • 150644 02/09/08 14:43  X. Zheng       ROC13&14 power cycled

  • 150643 02/09/08 14:41  ejensen        fpp hot wire

  • 150638 02/09/08 13:58  X. Zheng       BPM & BCM capture

  • 150637 02/09/08 12:42  puckett        ROC2 is HMS drift chambers, ROC1 is scintillators and beamline stuff

  • 150636 02/09/08 12:17  W. Luo         Power cycled HV crate 34

  • 150635 02/09/08 12:06  X. Zheng       beam update

  • 150634 02/09/08 11:19  X. Zheng       beam delivery problem

  • 150632 02/09/08 10:33  M JOnes        I do not see the reason for  reboot of roc2

  • 150629 02/09/08 09:52  X. Zheng       Run 68684-68686 have BigCal threshold -600mV

  • 150622 02/09/08 08:31  dhamilton      BigCal threshold change

  • 150620 02/09/08 08:05  cdaq           Beam Time Accounting

  • 150619 02/09/08 08:05  Danagoulian    Bigcal channel  hv_34_15 dead

  • 150618 02/09/08 08:04  Danagoulian    Shift Summary

  • 150605 02/09/08 04:39  dhamilton      ROC2 reboot

  • 150603 02/09/08 04:20  Phil Carter    Target: screen shot

  • 150589 02/09/08 01:17  Danagoulian    BCM-BPM

  • 150586 02/09/08 00:39  Phil Carter    Target: lost communication, no reboot

  • 150582 02/09/08 00:02  cdaq           Beam Time Accounting

  • 150581 02/09/08 00:01  hamlet         Swing Shift Summary, 08 Febr 08

    • 

    Friday
    

  • 150571 02/08/08 21:43  puckett        Got the betabrite working again.

  • 150566 02/08/08 20:39  puckett        BetaBrite display stuck

  • 150563 02/08/08 19:44  puckett        HMS and FPP HV trip

  • 150558 02/08/08 18:55  shahinya       Target status

  • 150554 02/08/08 17:27  M.M            Kinematic 5, Calibration: HMS Trigger Time Offsets, HMS hstart default value, HMS time offset, HMS driftmaps

  • 150553 02/08/08 17:01  hamlet         Beam OFF, magnet problem in ARC

  • 150549 02/08/08 16:15  shahinya       Target status

  • 150548 02/08/08 16:02  cdaq           Beam Time Accounting

  • 150547 02/08/08 15:56  vahe           Target: End of shift: Target screenshot

  • 150544 02/08/08 15:40  ccbutu         Shift Summary

  • 150539 02/08/08 14:36                 Analysis: Replay Run 68647

  • 150538 02/08/08 14:33  Hovhannes      Replay 68647

  • 150535 02/08/08 14:15  ccbutu         BigCal & FPP rates

  • 150534 02/08/08 14:13  ccbutu         Hall C IOCs

  • 150533 02/08/08 14:09  ccbutu         HAll C Beam Position & IOCs

  • 150528 02/08/08 12:50  ccbutu         Back to production mode!

  • 150526 02/08/08 12:44  gaskell        Moller backout

  • 150525 02/08/08 12:40  horn/gaskell   Moller summary

  • 150503 02/08/08 08:08  vahe           Target: Start of shift: Target screenshot

  • 150502 02/08/08 08:01  cdaq           Beam Time Accounting

  • 150501 02/08/08 07:57  Jonathan Mil   Shift Summary

  • 150500 02/08/08 07:55  Lovelace       Target: Shift Owl 7:53 2/8/08

  • 150497 02/08/08 07:36  Lovelace       Target: Shift Owl 7:40 2/8/08

  • 150496 02/08/08 07:31  Jonathan Mil   Scalar Display & total Triggers/ABU

  • 150495 02/08/08 07:28  Jonathan Mil   Beam SS

  • 150492 02/08/08 06:42  Lovelace       Target: Shift Owl 6:40 2/8/08

  • 150488 02/08/08 05:53  Lovelace       Target: Shift Owl 5:40 2/8/08

  • 150487 02/08/08 05:51  Lovelace       Target: Shift Owl 5:40 2/8/08

  • 150485 02/08/08 05:28  Lovelace       Target: Shift Owl 4:50 2/8/08

  • 150482 02/08/08 04:50  w. Luo         bcm&bpm

  • 150477 02/08/08 04:11  Lovelace       Target: Shift Owl 4:00 2/8/08

  • 150476 02/08/08 04:11  W. Luo         Change BigCal online histogram

  • 150475 02/08/08 04:08  Jonathan Mil   700mV threshold and HV change (from W. Luo Calibration)

  • 150474 02/08/08 04:00  dhamilton      New BigCal HV and discriminator threshold

  • 150473 02/08/08 03:58  W. Luo         End run 68626, increased BigCal Threshold to -700mv

  • 150472 02/08/08 03:56  W. Luo         Load new HV before run 68626

  • 150471 02/08/08 03:47  W. Luo         Roc 14 crashed, end run 68627

  • 150468 02/08/08 03:34  cdaq           Beam Time Accounting

  • 150463 02/08/08 03:12  dhamilton      Plan to change BigCal HV to compensate for drop in gain

  • 150462 02/08/08 02:57  W. Luo         Reboot BCM LED display

  • 150461 02/08/08 02:52  dhamilton      BigCal gains continue to drop

  • 150456 02/08/08 01:46  dhamilton      BigCal discrimator thresholds decreased to 1.3 GeV (650 mV)

  • 150451 02/08/08 00:23  Lovelace       Target: Start Shift Owl 2/8/08

  • 150449 02/08/08 00:17  Jonathan Mil   cdaql6

  • 150448 02/08/08 00:08  vahe           Target: End of shift: Target screenshot

    • 

    Thursday
    

  • 150446 02/07/08 23:54  hamlet         Swing Shift Summary, 07 Febr 08

  • 150444 02/07/08 23:52  dhamilton      Drop in BigCal rate is due to drop in gain

  • 150437 02/07/08 21:35  hamlet         BigCal rate again slowly dropped down

  • 150420 02/07/08 16:25  vahe           Target: Start of shift: Target screenshot

  • 150417 02/07/08 16:05  L.Pentchev     old summary, just disregard it

  • 150416 02/07/08 15:58  cdaq           Beam Time Accounting

  • 150415 02/07/08 15:57  hcf            helium flow

  • 150414 02/07/08 15:55  Keppel         day shift summary

  • 150413 02/07/08 15:40  Bosted         Target: Target: had to reboot IOC

  • 150410 02/07/08 15:29  R. Lindgren    Shift Summary

  • 150409 02/07/08 15:29  M.M            Helium flow

  • 150408 02/07/08 15:20  M.M            bpm / bcm

  • 150407 02/07/08 15:06  L.Pentchev     CAMAC power supply replaced

  • 150402 02/07/08 12:50  L.Pentchev     Set ps2=999999

  • 150401 02/07/08 12:20  L.Pentchev     BigCal discriminator replaced

  • 150400 02/07/08 11:32  M JOnes        Fixed problem with S0 tdc signals in data

  • 150399 02/07/08 11:29  M Jones        Modified threshold to "S0x2p" from 25 to 50mV

  • 150397 02/07/08 08:56  L.Pentchev     status

  • 150395 02/07/08 08:07  jensen         owl shift summary

  • 150394 02/07/08 08:03  cdaq           Beam Time Accounting

  • 150391 02/07/08 07:47  jensen         cold counters

  • 150388 02/07/08 06:48  jensen         bpm/bcm screens

  • 150385 02/07/08 06:10  Phil Carter    Target: transient alarm

  • 150379 02/07/08 04:47  Phil Carter    Target: IOC reboot; raster mask woes

  • 150378 02/07/08 04:05  dhamilton      RCS Event Rate

  • 150374 02/07/08 02:53  dhamilton      Increase to 40 microamps - BigCal pedestals

  • 150371 02/07/08 02:31  dhamilton      BigCal HV change

  • 150369 02/07/08 02:17  W. Luo         Decrease HV on (42,22) for 200v

  • 150368 02/07/08 02:16  W. Luo         restore the HV for (42,22)

  • 150366 02/07/08 02:07  W. Luo         Decrease HV on (42,22) for 200v

  • 150363 02/07/08 02:02  W. Luo         The GEP3 Wiki link on Hall C web site broken

  • 150360 02/07/08 01:44  W. Luo         "turn off" 6 columns of BigCal

  • 150357 02/07/08 01:07  jensen         increased beam current

  • 150355 02/07/08 00:23  Phil Carter    Target: screenshot

  • 150353 02/07/08 00:05  cdaq           Beam Time Accounting

  • 150352 02/07/08 00:04  hamlet         Swing Shift Summary, 06 Febr 08

    • 

    Wednesday
    

  • 150351 02/06/08 23:51  hamlet         BigCal rate slowly dropped down

  • 150333 02/06/08 18:43  M.M            bpm / bcm

  • 150332 02/06/08 18:10  vahe           Target: Target IOC reboot

  • 150323 02/06/08 16:06  vahe           Target: Start of shift, target screenshot

  • 150322 02/06/08 15:58  cdaq           Beam Time Accounting

  • 150321 02/06/08 15:56  gilman         shift run summary

  • 150318 02/06/08 15:27  gilman         status

  • 150316 02/06/08 14:46  ccbutu         Target: Changed target!

  • 150315 02/06/08 14:44  gilman         ion chambers levels with BigBite on

  • 150314 02/06/08 14:42  E. Christy     Field readback not in epics - VMEC 18 rebooted

  • 150313 02/06/08 14:13  gilman         controlled access

  • 150311 02/06/08 13:40  E. Christy     Beam position correction - stop run 68574

  • 150308 02/06/08 13:14  dhamilton      BTA entry . ignore

  • 150307 02/06/08 12:49  M Jones        Reduced  delay of HMS tdc and adc gate to ROC1 by 8ns 

  • 150306 02/06/08 12:20  cdaq           Beam Time Accounting

  • 150301 02/06/08 11:40  gilman         more screen shots

  • 150300 02/06/08 11:39  gilman         screen shots

  • 150299 02/06/08 11:28  ccbutu         Target: Status of the target!

  • 150298 02/06/08 11:09  gilman         Hall C status - increasing beam current to 40 uA

  • 150293 02/06/08 10:51  gilman         Hall C status - beam back

  • 150290 02/06/08 08:05  Jonathan Mil   Target SS

  • 150287 02/06/08 01:09  bogdanw        vacuum trip set adjustment

    • 

    Tuesday
    

  • 150286 02/05/08 22:34  kohlm          Target: end of swing shift snap shot

  • 150285 02/05/08 21:50  bogdanw        run plan for RCS

  • 150284 02/05/08 20:08  kohlm          Target: mid of swing shift snap shot

  • 150283 02/05/08 20:04  kohlm          Increased JT value

  • 150282 02/05/08 18:27  kohlm          Target: Target: begin of swing shift snapshot

  • 150281 02/05/08 17:28  M.M            Cosmic run

  • 150280 02/05/08 17:10  W. Luo         Decrease BigCal threshold

  • 150279 02/05/08 16:58  horn           Moller status for experiment checklist

  • 150278 02/05/08 16:31  lassiter       HMS on at  2.02Gev/c

  • 150277 02/05/08 16:27                 big bite checkout

  • 150276 02/05/08 16:12  Lassiter       HMS Dipole JT5 swapped out

  • 150275 02/05/08 16:08  smithg         Target: New Beam Current Limits

  • 150274 02/05/08 16:03  smithg         Target: Cooldown Finished

  • 150272 02/05/08 15:48  M Jones        Turned on HV to HMS and FPP chambers

  • 150271 02/05/08 15:29  Lassiter       HMS Angles set 21.00 to 42.00

  • 150270 02/05/08 14:13  smithg         Target: closed warm return

  • 150265 02/05/08 12:31  W. Luo         Turn on BigCal HV and also the booster

  • 150264 02/05/08 12:30  smithg         Target: started to open JT

  • 150263 02/05/08 10:58  smithg         Target: Began formal cooldown procedure