Jefferson Lab Hall C Logbook for November 10 - Compton

  • Main INDEX

    Tuesday

  • 209255 11/30/10 21:21  dalton         Compton: Chicane threading

  • 209183 11/30/10 14:50  narayan        Compton: work in Hall: calibration input, motion controller, re-installation of beam right QWADs

  • 209130 11/30/10 03:02  narayan        Compton: e-detector view port image

    • Monday

  • 209078 11/29/10 19:28  dalton         Compton: Laser off for tonight

    • Sunday

  • 208951 11/28/10 18:20  narayan        Compton: beam reduced , extremely high halo 

  • 208916 11/28/10 14:41  dalton         Compton: photon detector off

  • 208912 11/28/10 14:31  dalton         Compton: epic halo rates

  • 208880 11/28/10 11:33  dalton         Compton: photon detector trip

    • Saturday

  • 208823 11/27/10 23:57  dzou           Compton: Accumulator asymmetry and yield plots

    • Friday

  • 208589 11/26/10 15:09  paschke gask   Compton: mini vertical scan, signal/bkg ~ 1.5

  • 208583 11/26/10 14:53  paschke gask   Compton: starting y-scan in compton chicane

  • 208514 11/26/10 09:55  gaskell        Compton: table scintillator rates look ok

    • Thursday

    

    Wednesday
    

    

    Tuesday
    

  • 208203 11/23/10 15:16  donjones       Compton: EPICS updating again on ccompt

    • 

    Monday
    

  • 208005 11/22/10 09:10  narayan        Compton: e-detector studies

    • 

    Sunday
    

  • 207960 11/21/10 23:22  W. Deconinck   Compton: Updated analyzer to revision 2235

  • 207910 11/21/10 20:39  narayan        Compton: enabled 0.2 mm move of e-detector

  • 207909 11/21/10 20:26  W. Deconinck   Compton: Photon detector HV off again

  • 207865 11/21/10 13:05  dalton         Compton: Photon detector backgrounds, time for a task team?

  • 207850 11/21/10 08:59  gaskell        Compton: leave photon detector off if it trips

  • 207836 11/21/10 06:29  narayan        Compton: Photon detector HV-6 keeps tripping

  • 207825 11/21/10 03:15  donjones       Compton: rates in Compton all over the place--tripping HV

    • 

    Saturday
    

  • 207785 11/20/10 20:15  dalton         Compton: caput.exe error with a twist

  • 207781 11/20/10 20:09  dalton         Compton: Changes to DAQ

  • 207748 11/20/10 15:13  dalton         Compton: Amplifying transmitted photodiode signal

  • 207742 11/20/10 14:55  W. Deconinck   Compton: Disabled Windows XP error reporting for caput.exe

  • 207731 11/20/10 13:57  dalton         Compton: caput.exe error at 13:55

  • 207722 11/20/10 12:43  dalton         Compton: caput.exe error at 19:30 Friday

    • 

    Friday
    

  • 207563 11/19/10 17:13  dalton         Compton: caput.exe error at 15:28

  • 207559 11/19/10 16:58  dalton         Compton: Lead in front of photon detector

  • 207498 11/19/10 13:36  gaskell        Compton: Crude BCM17 calibration

  • 207473 11/19/10 11:26  dalton         Compton: caput.exe error at 11:16

  • 207462 11/19/10 10:15  dalton         Compton: background rates correlated to vacuum in arc?

  • 207441 11/19/10 09:22  dalton         Compton: caput.exe error at 10:59 Thursday

    • 

    Thursday
    

  • 207278 11/18/10 16:17  narayan        Compton: electron detector HV

    • 

    Wednesday
    

  • 207183 11/17/10 22:52  W. Deconinck   Compton: Asymmetries in FADC accumulators

  • 207015 11/17/10 07:46  narayan        Compton: e-detector studies

  • 206946 11/17/10 01:02  narayan        Compton: after controlled access today, beam was intially sent straight through

    • 

    Tuesday
    

  • 206909 11/16/10 18:46  dalton         Compton: caput.exe error at 18:39

  • 206900 11/16/10 17:09  narayan        Compton: BLM trip at 1 uA, cw, with detector 2 cm away from beam

  • 206861 11/16/10 13:22  dalton         Compton: HV 'DEAD' alarm

  • 206838 11/16/10 10:20  dalton         Compton: caput.exe error at 22.53

    • 

    Monday
    

  • 206749 11/15/10 20:51  dalton         Compton: FADC spectra at 1600 V

  • 206748 11/15/10 20:44  dalton         Compton: FADC spectra at 1650 V

  • 206746 11/15/10 20:15  dalton         Compton: caput.exe error at 17:50

  • 206713 11/15/10 16:29  dalton         Compton: BCM17 offset added

  • 206708 11/15/10 15:58  dalton         Compton: BCM17 attenuation added

  • 206657 11/15/10 10:51  dalton         Compton: Further changes to HV

  • 206654 11/15/10 10:41  dalton         Compton: HV communication restored

  • 206555 11/15/10 00:35  W. Deconinck   Compton: HV Moller and Compton split up (but both not working)

  • 206550 11/15/10 00:23  W. Deconinck   Compton: first100k and Pass1 autoanalyzers running on ccomptl1

    • 

    Sunday
    

  • 206394 11/14/10 08:50  gaskell        Compton: Found HV off - ended run

  • 206393 11/14/10 08:36  gaskell        Compton: Rebooted iochc10

  • 206390 11/14/10 08:32  gaskell        Compton: disconnected BCM17 from Compton ADC

  • 206299 11/14/10 05:23  narayan        Compton: e-detector motion controller not responding

    • 

    Saturday
    

  • 206207 11/13/10 23:33  narayan        Compton: HV had tripped was turned ON again

  • 206125 11/13/10 16:40  W. Deconinck   Compton: Set FADC thresholds to values suggested by Mark

  • 206103 11/13/10 15:08  dalton         Compton: Spectra from the flash ADC

  • 205909 11/13/10 04:34  W. Deconinck   Compton: DAQ & analyzer status

    • 

    Friday
    

    

    Thursday
    

  • 205424 11/11/10 17:40  dalton         Compton: Overnight spectrum

  • 205423 11/11/10 17:28  narayan        Compton: Compton electron detector studies

  • 205389 11/11/10 09:18  donjones       Compton: Graph of Compton lock 

    • 

    Wednesday
    

    

    Tuesday
    

  • 205121 11/09/10 23:39  michaelm       Compton: Scan for compton interaction region

    • 

    Monday
    

    

    Sunday
    

    

    Saturday
    

  • 204284 11/06/10 21:23  dalton         Compton: Laser mirrors homed with laser on

  • 204199 11/06/10 16:20  dalton         Compton: Compton spectrum with new detector and new DAQ

    • 

    Friday
    

  • 203885 11/05/10 15:49  gaskell        Compton: photon detector moved to EEL 126

    • 

    Thursday
    

  • 203748 11/04/10 00:16  W. Deconinck   Compton: Enabled split CODA files (at 1.9 GB)

    • 

    Wednesday
    

    

    Tuesday
    

    

    Monday
    

  • 203522 11/01/10 20:08  dalton         Compton: Background spectrum depends on beam current

  • 203511 11/01/10 17:54  dalton         Compton: Energy dependent asymmetry