Jefferson Lab Hall C Logbook for June 12 - runstarts omitted

  • Main INDEX

    Friday

  • 271860 06/29/12 18:09  rob            main detector decabling done

  • 271858 06/29/12 14:41  Pitt/Lee/Duv   Downstream lumis removed

  • 271857 06/29/12 08:43  gaskell        Compton: laser repaired

  • 271856 06/29/12 06:39  Paschke Mano   Injector study Notes

    • Thursday

  • 271752 06/28/12 18:31  magee          Region III de-cabling DONE

  • 271748 06/28/12 17:07  Pitt/Lee/Duv   Region 2: HDCs removed; all cables removed

  • 271747 06/28/12 16:57  cornejo        Compton: Meant to say Delta plugged in Variable Masked

  • 271746 06/28/12 16:56  cornejo        Compton: LED Runlist June 27, 2012

  • 271740 06/28/12 14:36  cornejo        Compton: LED mps delay set back to 690 uA, real MPS signal

  • 271739 06/28/12 10:48  magee          Rotator power supply

  • 271738 06/28/12 10:42  magee          Camera quad splitter alarm

  • 271737 06/28/12 06:01  dalton/pasch   Notes from injector studies

  • 271728 06/28/12 04:42  dalton         PC translation beam steering

    • Wednesday

  • 271686 06/27/12 20:39  paschke        injector bpm spikes during injector studies

  • 271676 06/27/12 19:53  paschke        QE scans from end of run

  • 271669 06/27/12 17:48  Pitt           HDCs de-cabled and ready for removal

    • Tuesday

  • 271664 06/26/12 16:36  Pitt           Region 2 - Day 2 of survey done

  • 271663 06/26/12 11:43  manos          Injector DAQ working fine

    • Monday

  • 271660 06/25/12 17:48  rob            all MD PMT pins covered in bubble wrap; event-mode rack decabled

  • 271659 06/25/12 17:23  rajotte        pion detector cables removed

  • 271658 06/25/12 15:54  magee          Region III de-calbing progress

  • 271657 06/25/12 14:46  Pitt           Region 2 - day 1 of survey done

  • 271656 06/25/12 11:35  Pitt           Late, late entry - lead block in Octant 7

    • Friday

  • 271654 06/22/12 11:22  smithg         Target: moved to US 2% spare in preparation for tgt removal

    • Thursday

  • 271653 06/21/12 23:22  rajotte        pion detector removed from region3

  • 271652 06/21/12 17:44  magee          Region III de-cabling progress

  • 271651 06/21/12 16:21  smithg         Target: Post-run target survey completed. Tape measure checks made. Pictures taken of exit window spot.

  • 271650 06/21/12 11:17  wsduvall       Lumi checkout

  • 271649 06/21/12 11:01  wsduvall/ale   Region 2 decableing update

    • Wednesday

  • 271643 06/20/12 16:56  wsduvall/ale   Region 2 decableing update

  • 271642 06/20/12 16:12  rajotte        zuckerman HV off...forever

  • 271641 06/20/12 16:12  rob            hall C PSS display shows only an incorrect time

  • 271640 06/20/12 16:02  rob, smacewa   main detectors ready to remove from ferris wheel

    • Tuesday

  • 271639 06/19/12 16:55  smithg         Target: exercised tgt motion to prepare for post-run survey

  • 271638 06/19/12 12:48  wsduvall/ale   Region 2 decableing update

    • Monday

  • 271636 06/18/12 18:06  magee          Region III chambers decabled

  • 271632 06/18/12 17:36  rajotte        switching zuckerman HV ON

    • Friday

  • 271630 06/15/12 18:19  pking          Status of the cage DAQ

  • 271629 06/15/12 18:13  pking          Removed input cables from the VQWK in TS0

  • 271628 06/15/12 17:50  rajotte        switching zuckerman HV off

  • 271627 06/15/12 17:43  brads          R3 chambers decabling update

  • 271623 06/15/12 12:11  buddhini       Uncabled ROC1 and ROC2 VQWK modules.

  • 271613 06/15/12 09:16  cornejo        Compton: Changed LED mps signal delay from 692us to 468us

    • Thursday

  • 271611 06/14/12 19:29  pking          Changed the fake MPS stable window to 971 us

  • 271606 06/14/12 17:57  rajotte        zuckerman HV back ON

  • 271582 06/14/12 13:41  rajotte        zuckerman HV off

  • 271581 06/14/12 08:06  pking          There was not an indication on the scope of events that were due to retriggering during run 19189

    • Wednesday

  • 271579 06/13/12 21:37  pking          Run 19189 is a long zuckerman multiple trigger test run

  • 271577 06/13/12 21:32  pking          Changed to the long QDC gate

  • 271576 06/13/12 21:32  pking          Run 19188 was actually setting up the zuckerman multiple trigger type test again

  • 271573 06/13/12 21:19  rob            md HV off

  • 271524 06/13/12 18:33  rob            fake MPS delay from 971 us to 100_000 us

  • 271523 06/13/12 18:18  pking          Discovered the V792 copy of scanner "power" was not connected to the V792

  • 271522 06/13/12 16:39  rob            md bases swapped; led cables to + tubes

  • 271521 06/13/12 15:47  pking          ROC branch cable to 2nd floor cage

  • 271520 06/13/12 13:59  wsduvall/ale   Region 2 decableing update

  • 271512 06/13/12 08:55  pking          Changed fake MPS back to 971 us during run 19160

  • 271510 06/13/12 08:43  pking          Overnight scope showed some hint of events defined by retrigger

  • 271507 06/13/12 08:05  pking          Sometime around 03:30 PS1 input started behaving badly

    • Tuesday

  • 271505 06/12/12 22:51  pking/rajott   Changed fake MPS to 200971 us 

  • 271500 06/12/12 22:28  pking          Looking at the "pulser zuckerman"

  • 271495 06/12/12 21:59  pking/rajott   Saw three timing relationships between wilbur and QDC gate; dropped to one after touching PS3 input cable

  • 271482 06/12/12 19:28  rajotte        Pulser in wilbur and templeton

  • 271480 06/12/12 19:26  rajotte        zuckerman HV back on

  • 271471 06/12/12 18:17  pking          R1 F1TDC channel assignment

  • 271464 06/12/12 17:58  rajotte        switching zuckerman HV off

  • 271463 06/12/12 17:42  pking          Removed some dangling cables in the 2nd floor cage

  • 271459 06/12/12 16:04  Ramesh         bcm7, bcm8 noise floor

  • 271450 06/12/12 14:25  rob            19134 is junk

  • 271449 06/12/12 14:24  rob            19133 has wrong title

  • 271443 06/12/12 13:11  wsduvall/ale   Region 2 decableing update

  • 271442 06/12/12 11:39  Ramesh         bcm digital box noise floor

  • 271440 06/12/12 10:04  Ramesh         ground loop test setup (run 19132)

    • Monday

  • 271433 06/11/12 18:47  Ramesh         Ground loop ch1 & ch2 direct RF input

  • 271429 06/11/12 15:20  wsduvall/ale   Region 2 decableing update

    • Saturday

  • 271421 06/09/12 13:12  cornejo        Compton: PhDet did trip, decided to turn it off completely

  • 271419 06/09/12 13:02  Pitt           Compton photon detector tripped?

    • Friday

  • 271416 06/08/12 17:19  magee          Region 3 cables removed from doghouse

  • 271415 06/08/12 16:11  Ramesh         Loss in ground loop cables is 41 dB

  • 271414 06/08/12 15:58  brads          Gas system to R2/R3 shut down

    • Thursday

  • 271401 06/07/12 17:31  rob            summary of md runs for today

  • 271383 06/07/12 11:17  rob            changed fake MPS delay time from 100000us to 971us

    • Wednesday

  • 271372 06/06/12 14:23  cornejo        Compton: Compton Fake MPS now working

  • 271366 06/06/12 09:51  cornejo        Compton: Disconnected PhDet signal, and replaced with 50 ohm terminator

  • 271361 06/06/12 09:35  cornejo        Compton: Turned on PhDet to 1750 V

  • 271358 06/06/12 09:26  gaskell        Everything in the Dog House is off

    • Tuesday

  • 271356 06/05/12 19:08  rajotte        Both Fern and Avery HV are ON

  • 271353 06/05/12 14:14  alee           Map of Doghouse patch panel (USLumis and Region2)

    • Monday

    

    Sunday
    

  • 271342 06/03/12 13:10  rajotte        Fern ON, Avery OFF

    • 

    Saturday
    

  • 271338 06/02/12 19:21  donjones       Compton: More attempts to get DAQ working

  • 271329 06/02/12 15:07  rajotte        Silencing compton HV alarm for ComptPhoton

  • 271328 06/02/12 15:04  rajotte        Switch Avery ON and Fern Off

    • 

    Friday
    

  • 271325 06/01/12 22:15  rajotte        switched Fern ON and Avery Off

  • 271322 06/01/12 18:59  rajotte        avery is on

  • 271319 06/01/12 18:29  rajotte        Change fake helicity rate to 10Hz

  • 271317 06/01/12 18:19  rajotte        Switching Fern or Avery HV ON

  • 271314 06/01/12 18:00  donjones       Compton: Took fake MPS and QRT from upstairs to Compton

  • 271300 06/01/12 15:58  rob            done with linearity daq usage for today

  • 271297 06/01/12 15:42  rob            setup for higher-frequency 2.5-LED linearity measurement

  • 271295 06/01/12 15:38  rob            setup for higher-frequency 2.5-LED linearity measurement

  • 271292 06/01/12 14:34  rajotte        Fern&Avery HV switched off

  • 271291 06/01/12 11:42  Armstrong      late entry - Region 3 decabling

  • 271290 06/01/12 11:10  rajotte        was actually ended at about 6AM