Jefferson Lab Hall C Logbook for September 10 - runstarts omitted

  • Main INDEX

    Thursday

  • 199040 09/30/10 23:56  Nuruzzaman     Shift summary

  • 199037 09/30/10 23:28  Nuruzzaman     Triger Supervisor rebooted

  • 199034 09/30/10 22:54  Nuruzzaman     Fake MPS changed back to 1 kHz

  • 199025 09/30/10 22:11  jhlee          Changed faked helicity to 250 Hz

  • 199016 09/30/10 21:39  Nuruzzaman     Start-up pink screen is not working

  • 199010 09/30/10 21:00  rob            some main detector LED notes

  • 199003 09/30/10 20:14  Nuruzzaman     Main Detector Rate 200 Hz, Fake MPS 500 Hz

  • 198998 09/30/10 19:39  Nuruzzaman     MCC fixed Hall-A ION chamber alarm

  • 198997 09/30/10 19:25  saw            Qtor OFF

  • 198992 09/30/10 19:08  Nuruzzaman     Hall-A ION chamber started alarming

  • 198991 09/30/10 19:04  brads          re: the leak in the cage (if it gets worse, do this)

  • 198983 09/30/10 18:21  rob            the leak in the cage is improving

  • 198960 09/30/10 16:08  Nuruzzaman     Daq error

  • 198959 09/30/10 16:01  W. Deconinck   Compton: Summary of runs taken with AmBe and Th228 source

  • 198912 09/30/10 00:02  tforest        R1 detector checkout + electronics install

    • Wednesday

  • 198911 09/29/10 23:28  jhlee          a short summary for Sep 29, 2010

  • 198910 09/29/10 23:06  Buddhini       MCC put up a temporary fix for the leak till tommorow.

  • 198909 09/29/10 23:05  spage          plastic sheets installed

  • 198907 09/29/10 22:24  Buddhini       trying again..(: [) 3H09 3C07A connections for tracking mode..

  • 198906 09/29/10 22:19  buddhini       A more clear channel connection log for the BPM 3H09 and 3C07A connections

  • 198904 09/29/10 22:05  Buddhini       3H09 and 3C07A bpms connected for tracking mode readout

  • 198903 09/29/10 21:54  buddhini       Its still raining in the cage - hard!

  • 198902 09/29/10 21:51  spage          raining in the electronics room again

  • 198901 09/29/10 21:48  mack           RII clearance, GEM enclosure backout, and high range dosimetry

  • 198900 09/29/10 21:24  Pitt           Halo monitor HV re-assignments

  • 198899 09/29/10 21:16  Pitt/Leacock   Reinstallation of Halo 5 and 7

  • 198886 09/29/10 15:27  pking          Snapshot of realtime engine and GUI usages after about 45 minutes or so.

  • 198885 09/29/10 15:26  beaufait       qtor on

  • 198884 09/29/10 15:14  mack           MD CM high voltages backed up, updated to allow for preradiators, and backed up

  • 198883 09/29/10 15:00  ken            Turbo started

  • 198882 09/29/10 14:55  pking          Restarted modulation after 400k events in run 5493

  • 198877 09/29/10 13:51  lumanog        Beam: Beam Dump Vacuum

  • 198875 09/29/10 13:27  leacock        run died at 484779 events

  • 198870 09/29/10 11:09  pking          Run 5486 crashed at 10:45

  • 198868 09/29/10 10:40  kenyon         BL Vacuum work

  • 198867 09/29/10 10:26  pking          Updating QwAnalysis/devel to r1856

  • 198866 09/29/10 10:15  pking          Started the beam modulation system

  • 198864 09/29/10 10:00  Arshak         Compton Electron Detector 

  • 198863 09/29/10 09:51  mack           minor clarification on QTOR hardware

  • 198861 09/29/10 09:36  pking          Plans for DAQ tests today

  • 198859 09/29/10 08:22  Arshak         GEM.

  • 198858 09/29/10 00:00  Nuruzzaman     High Voltages for R2-Hookies and R3-TS turned off.

    • Tuesday

  • 198856 09/28/10 23:24  jhlee          a short summary for Sep 28, 2010

  • 198853 09/28/10 22:32  pking          Activated the data copying script from cdaql6 to cdaql4; it is up-to-date

  • 198852 09/28/10 22:31  jhlee          added one more cc master trigger signal on channel 28

  • 198851 09/28/10 22:04  pking          Added the main detector trigger to the patch panel going to the doghouse

  • 198846 09/28/10 20:38  Pitt           Region 2 Status during tracking runs

  • 198845 09/28/10 20:38  Pitt           Region 2 Status during tracking runs

  • 198844 09/28/10 20:31  pking          Started the modulation system during the tracking runs

  • 198842 09/28/10 20:17  pking          Changed qwvmets boot file to try to disable IocLogClient

  • 198841 09/28/10 19:56  pking          Modulation just stopped without an apparent fault

  • 198837 09/28/10 19:10  buddhini       release candidates should't be updated!

  • 198836 09/28/10 19:00  mack           HV gui backup function doesn't work

  • 198831 09/28/10 18:10  mack           new MD high voltages for "plus" configuration with pre-radiators

  • 198827 09/28/10 17:38  pking          Changed all qweak trigger supervisor CRL files

  • 198826 09/28/10 17:38  spage          Counting room cleanup

  • 198818 09/28/10 15:53  buddhini       Updated Qwanalysis/new in cdaql4 to r1711

  • 198811 09/28/10 15:18  jmei           Target: Target movement test

  • 198807 09/28/10 14:35  kenyon         DS Beamline vacuum/CC gauge

  • 198802 09/28/10 11:34  kenyon         Lentil soup

  • 198798 09/28/10 09:35  jhlee          Reboot ROC10 also

  • 198797 09/28/10 08:50  jhlee          ROC9 crached, CODA doesn't be stopped properly

  • 198796 09/28/10 00:00  jhlee          a short summary for 27 Sep, 2010

    • Monday

  • 198795 09/27/10 23:07  kamyers        MD run set up for over night

  • 198793 09/27/10 23:01  kamyers        turned R3 chambers and scintillators HV off

  • 198787 09/27/10 21:26  kamyers        fixed: raster tree was not being filled

  • 198785 09/27/10 20:32  kamyers        copy of BPM signals patched in to 2nd floor

  • 198784 09/27/10 20:29  kamyers        raster XY maps for different runs

  • 198782 09/27/10 19:57  pking          Work with the fast raster freq generators

  • 198780 09/27/10 19:41  mack           rad badges emplaced for upcoming run

  • 198767 09/27/10 17:39  rob            adjusted MD discrimator threshold; cosmic rate now about 300 Hz

  • 198764 09/27/10 16:58  rob            found and opened a main detector ground loop

  • 198758 09/27/10 16:03  Rakitha        Now the analyzer can handle both fakeMPS and true MPS data after revision 1827.

  • 198757 09/27/10 15:53  Arshak         Electron detector for compton.

  • 198740 09/27/10 13:46  rob            it's raining in the cage

  • 198730 09/27/10 11:58  rob            reduced the number of configurations visible in codamaster

  • 198728 09/27/10 11:38  smithg         Target: Photos of beam spots on the dummy tgts

  • 198727 09/27/10 11:29  dalton         Beam: Weekend Source Work

  • 198726 09/27/10 09:33  Rakitha        Updated QwAnalysis/devel to r1821

    • Sunday

  • 198724 09/26/10 17:17  pking          Updated QwAnalysis/devel to r1815

    • Saturday

  • 198723 09/25/10 19:12  buddhini       Updated QwAnalysis/devel to r1813

    • Friday

  • 198722 09/24/10 20:58  saw            HV Controls/GUI change

  • 198721 09/24/10 20:15  rob            md8+ high voltage cables moved; hv gui not current; can't start a cosmic run

  • 198716 09/24/10 18:23  Adesh          Target move around

  • 198715 09/24/10 18:05  smithg         Target: distance measurements thru the 16" GV

  • 198714 09/24/10 16:36  smithg         Target: Brought downstream dummy tgts to qweak cabinet in eel

  • 198713 09/24/10 16:29  smithg         Target: Lifter amp fault action

  • 198712 09/24/10 13:37  Adesh          Target: More dummy targets cleaned

  • 198711 09/24/10 12:49  rob            new HV map to avoid flaky 16th channel on CAEN high voltage crates

  • 198710 09/24/10 08:25  kenyon         Water back on for QTorr

    • Thursday

  • 198709 09/23/10 18:55  Rakitha        8LM (CAMAC 2365) setup for Main Detector Multitrigger

  • 198708 09/23/10 18:46  Cornejo, JC    Compton: Summary of runs for Compton Photon Detector

  • 198704 09/23/10 17:35  Adesh          Target: New solid targets installed and realigned

  • 198685 09/23/10 16:09  Rakitha        QwVMETS is rebooted

  • 198667 09/23/10 14:34  donjones       Compton: laser table survey

    • Wednesday

  • 198661 09/22/10 16:39  Arshak         Region-1 and GEM detector

  • 198660 09/22/10 16:06  smithg         Target: Rebooted IOC to test impact on 4K JT PID

  • 198659 09/22/10 15:12  beaufait       Target: target fan reset/crash

  • 198658 09/22/10 13:06  rob            smells a little smoky in the counting house

  • 198657 09/22/10 08:38  kenyon         Venting DS beamline

  • 198656 09/22/10 08:38  kenyon         QTorr LCW

  • 198655 09/22/10 01:19  tforest        R1 readout

    • Tuesday

  • 198654 09/21/10 19:40  Armstrong      Region 3: Survey complete

  • 198653 09/21/10 19:02  W. Deconinck   Compton: Photon detector light leak, progress but not fixed

  • 198652 09/21/10 18:47  rob            scanner moved upstream; scanner and region III coexist in ocant 7

  • 198651 09/21/10 18:39  rob            event-mode base #12 damaged; MD3- PMT seems okay; low on spare bases

  • 198650 09/21/10 18:03  jhlee          Analysis: corrected some comments on Entry number 198647

  • 198649 09/21/10 16:07  donjones       Compton: Compton Transfer Function Measurement

  • 198648 09/21/10 15:00  rob            main detector "minus" preamps connected to current sources

  • 09/21/10 09/21/10 11:35  jhlee          [Tracking] F1TDC errors study with the commissioning run

  • 198646 09/21/10 10:04  donjones       coffee maker stopped working

  • 198645 09/21/10 09:57  brads          Re-enabled 50:50 ethane:argon mix to R2 and R3 chambers

    • Monday

  • 198644 09/20/10 17:51  smithg         Target: counting room UPS for tgt stuff in the counting room and in the hall

  • 198643 09/20/10 15:19  gunning        Beam: raster

  • 198642 09/20/10 11:31  mack           No known errors in GEANT geometry

  • 198641 09/20/10 11:04  jhoskins       P. Francis ELOG posts about RF cavity and FFB in Hall C

    • Sunday

  • 198636 09/19/10 14:54  leacock        changed to fake mps in the cage

    • Thursday

  • 198633 09/16/10 18:47  W. Deconinck   Compton: Compton photon detector installed again

  • 198632 09/16/10 16:36  beaufait       Qtor transformer heat

  • 198631 09/16/10 12:56  pking          Fixed CODA configuration mistake for ts_2crate

  • 198630 09/16/10 12:52  pking          Details of the "high frequency noise" on the raster signals

  • 198625 09/16/10 11:48  pking          Change in fast raster readout for Qweak

  • 198624 09/16/10 10:25  pking          Lights in the cableway access room are very dim

  • 198623 09/16/10 09:50  saw            Qtor overnight current and field stability

  • 198622 09/16/10 09:33  pking          Fast raster X seems to be off

  • 198621 09/16/10 08:01  dalton         Compton: Pointing data

    • Wednesday

  • 198620 09/15/10 18:39  Rakitha        Test on  the DAQ + Real time analyzer  are done 

  • 198616 09/15/10 17:44  donjones       Compton: power cycle laser

  • 198614 09/15/10 17:16  Rakitha        Testing : DAQ + Real time analyzer in the cdaql6 are in use 

  • 198613 09/15/10 16:52  Rakitha        cdaql6 'devel' analyzer updated to the revision 1771

  • 198612 09/15/10 15:49  beaufait       QTOR ON OVERNIGHT!!!

  • 198611 09/15/10 13:52  donjones       Compton: laser coolant low

  • 198610 09/15/10 11:29  rob            Additional shielding installation at the downstream side of the shield wall yesterday

  • 198609 09/15/10 10:39  smacewan       Lead bricks in the R3 shield wall

    • Tuesday

  • 198608 09/14/10 21:24  jonesdc        coffee restock for counting house

  • 198607 09/14/10 20:43  W. Deconinck   Compton: Modifications to Compton DAQ

  • 198606 09/14/10 17:53  Rakitha        DAQ+ devel analyzer  tests are done!

  • 198596 09/14/10 13:16  Rakitha        DAQ+ devel analyzer  in use for Real Time analyzer tests

    • Monday

  • 198595 09/13/10 19:58  leacock        dslumi preamp power supply loose connection

  • 198590 09/13/10 15:13  buddhini       Updated QwAnalysis/devel to r 1753

    • Saturday

  • 198589 09/11/10 20:15  mack           a few more bricks

    • Friday

  • 198588 09/10/10 18:29  mack           stacked more bricks in the beam box gap

    • Thursday

  • 198587 09/09/10 18:15  leacock        halo5 voltage drop(s)

  • 198586 09/09/10 17:31  dalton         Compton: Mirror transmission is strongly polarisation dependent

  • 198585 09/09/10 17:07  M Jones        Lend Primex 3 Philips 776 NIM amplifiers

  • 198584 09/09/10 16:47  kamyers        Comparing Mack's tape measurements to design/model

  • 198583 09/09/10 14:35  kamyers        BCM low current calibration analysis

  • 198582 09/09/10 14:18  leacock        removed pin from region 2 rotator (DO NOT TOUCH R2)

    • Wednesday

  • 198580 09/08/10 17:38  rob            stacked some bricks between shield wall and beamline

  • 198572 09/08/10 16:43  Rakitha        QwAnalysis 'devel' version is updated to the revision 1734

  • 198571 09/08/10 16:23  jhoskins       finished with qwvmets

  • 198566 09/08/10 13:51  jhoskins       working on qwvmets[again]

  • 198561 09/08/10 09:12  M Jones        Turned Hall C fast raster on

    • Tuesday

  • 198560 09/07/10 20:57  jhoskins       Follow-up

  • 198559 09/07/10 17:00  jhoskins       Done working qwvmets

  • 198558 09/07/10 15:50  jhoskins       working on qwvmets

  • 198557 09/07/10 11:38  dalton         Compton: Pointing studies

  • 198556 09/07/10 10:56  kenyon         Shielding installed

  • 198555 09/07/10 09:38  jhoskins       hcreboot14 has been installed

    • Monday

  • 198554 09/06/10 16:13  mack           tape measurements on lintels, collimators, and shieldhouse windows

  • 198546 09/06/10 09:19  Rakitha        ROC1, ROC2 and TS rebooted

  • 198545 09/06/10 09:11  Rakitha        Qweak Cage power turned ON

    • Saturday

  • 198544 09/04/10 14:34  mack           QTOR PS shielding option

    • Friday

  • 198543 09/03/10 18:42  mack           Rad badge results from recent Qweak commissioning

  • 198542 09/03/10 17:24  Arshak         GEM Detector.

  • 198541 09/03/10 11:40  jhlee          the survery is done

    • Thursday

  • 198540 09/02/10 20:11  dalton         Compton: Laser system hurricane prep.

  • 198539 09/02/10 19:19  jhlee          hcreboot14 is now in the RADCON survey slot.

  • 198538 09/02/10 19:16  jhlee          turn off almost all crates in QwCage and some others in QwDoghouse

  • 198537 09/02/10 14:05  dalton         Compton: Power meter in the beam

  • 198536 09/02/10 10:02  donjones       compton laser drift

    • Wednesday

  • 198535 09/01/10 19:09  mack           halo5 postmortem

  • 198534 09/01/10 16:36  Nuruzzaman     Modified Map for Beam Modulation in Q-weak Cage

  • 198533 09/01/10 10:52  mack           halo5 update

  • 198532 09/01/10 00:11  mack           test plugging of collimator 2 hole