Jefferson Lab Hall C Logbook for October 06 - Beam

  • Main INDEX

    Tuesday

  • 125773 10/31/06 13:43  suleiman       Beam: What currents do we want to choose for the BCM/BPMs calibration for 10 uA data?

    • Monday

  • 125657 10/30/06 12:23  Alex           Beam: snapshots for the checklist

    • Sunday

    

    Saturday
    

  • 125507 10/28/06 14:08  smithg         Beam: changed IHWP from IN to OUT at 14:05, then started running with FS only.

    • 

    Friday
    

  • 125458 10/27/06 23:19  Louis TgT-Op   Beam: Snapshots of the Checklists -- with low intensity beam 2.7uA

  • 125419 10/27/06 15:31  suleiman       Beam: Parity Quality of the runs 31740 - 31759

  • 125415 10/27/06 13:23  Alex           Beam: Shift checklist screenshots

  • 125391 10/27/06 05:05  saw            Beam: Shift Checklist screen grabs

    • 

    Thursday
    

  • 125371 10/26/06 22:07  Louis Tgt-Op   Beam: Snapshots of the Checklist

  • 125358 10/26/06 16:58  suleiman       Beam: G0 Cavity Signals from run 31740

  • 125357 10/26/06 16:57  suleiman       Beam: Charge Asymmetry and Position Differences from run 31740 (IN) - y-diff are better than yesterday

  • 125350 10/26/06 15:11  Alex           Beam: Good charge asymmetry width

  • 125306 10/26/06 05:12  saw            Beam: Shift Checklist screen grabs

    • 

    Wednesday
    

  • 125285 10/25/06 21:11  Louis TgT-Op   Beam: Snapshots of Checklist

  • 125266 10/25/06 16:58  suleiman       Beam: The ELOG is mentioning iocse20 crash at that time

  • 125265 10/25/06 16:08  suleiman       Beam: The period when the cavities have the wrong settings and the EPICS variables to monitor

  • 125260 10/25/06 15:38  suleiman       Beam: Parity Screens during run 31721 - Only Hall C beam in the machine

  • 125259 10/25/06 15:14  suleiman       Beam: G0 Cavity signal from the end part of run 31720 - after updating the settings

  • 125258 10/25/06 14:58  suleiman       Beam: G0 Cavity signal from the beginning of run 31720 - before updating the settings

  • 125255 10/25/06 14:29  suleiman       Beam: Typed in the old settings (during run 31720)

  • 125254 10/25/06 14:20  suleiman       Beam: The settings for both cavities has changed and now all the signals are bad

  • 125253 10/25/06 14:13  suleiman       Beam: G0 Cavity Signals from run 31713 - For both cavities, all signals are bad.

  • 125252 10/25/06 14:11  suleiman       Beam: The x & y Position Differences are Large since this morning

  • 125251 10/25/06 14:06  suleiman       Beam: Charge Asymmetry and Position Differences from run 31713 (IN) - y-diff are large

  • 125250 10/25/06 14:01  suleiman       Beam: Coil Modulation Cycle from run 31713

  • 125234 10/25/06 09:36  suleiman       Beam: RealTime Screens showing Parity Quality of Beam (during run 31714)

    • 

    Tuesday
    

  • 125146 10/24/06 15:20  Louis Tgt-Op   Beam: Snapshots of the Checklist

  • 125141 10/24/06 14:14  suleiman       Beam: G0 Cavity Signals Compared to BCMs and BPMs in Hall C (31642)

  • 125136 10/24/06 12:41  suleiman       Beam: The Helicity Sign Convention (G0 Compared to Hall A)

    • 

    Monday
    

  • 125074 10/23/06 14:11  Louis Tgt-Op   Beam: Snapshots of the shift

  • 125047 10/23/06 05:24  saw            Beam: HV sniper fired.

  • 125037 10/23/06 02:40  saw            Beam: IHWP now IN

    • 

    Sunday
    

  • 125000 10/22/06 14:08  suleiman       Beam: G0 Cavity Signals from run 31642

  • 124999 10/22/06 14:07  suleiman       Beam: Charge Asymmetry and Position Differences from run 31642 (OUT)

  • 124969 10/22/06 02:04  B. QUINN       Beam: Halo rates got worse because fast feedback stopped working

    • 

    Saturday
    

    

    Friday
    

  • 124843 10/20/06 11:49  suleiman       Beam: G0 Cavity Signals from run 31593 - The x-position from both cavities is not linear

  • 124838 10/20/06 10:39  suleiman       Beam: G0 Cavity signals during a coil modulation cycle from run 31593

  • 124837 10/20/06 10:33  suleiman       Beam: Charge asymmtery and Position Differences from run 31594 (IN): y-diffs are large again 

  • 124836 10/20/06 10:27  suleiman       Beam: Coil modulation cycle from run 31593 

    • 

    Thursday
    

  • 124788 10/19/06 16:17  suleiman       Beam: Downstream Cavity Work

  • 124766 10/19/06 14:16  Beise          Beam: Mott polarization measurement

  • 124746 10/19/06 08:24  suleiman       Beam: The Pairty Quality of G0 beam from run 31573 - Hall A Charge Asymmetry width is only 40 ppm.

    • 

    Wednesday
    

  • 124682 10/18/06 12:03  suleiman       Beam: Cavity Signals from run 31553

  • 124679 10/18/06 11:57  suleiman       Beam: The y-Differences are better since yesterday night

  • 124677 10/18/06 11:50  suleiman       Beam: The Charge Asymmtery and Position Differences - The jump in the width of charge Asymmtery is between 0L01 and 0L02 

  • 124671 10/18/06 10:15  Louis          Beam: Integrated charged up to now

  • 124666 10/18/06 09:24  Alex           Beam: Large Asymmetry width

  • 124663 10/18/06 08:51  Louis,Alexan   Beam: Change IHWP from OUT to IN

    • 

    Tuesday
    

  • 124610 10/17/06 14:33  suleiman       Beam: G0 Cavity Signals from run 31508 - Double Differences are included

  • 124598 10/17/06 13:09  suleiman       Beam: The Separation of the QPD Charge Asymmetry 

  • 124595 10/17/06 12:42  suleiman       Beam: The Separation of Charge Asymmetry According to the Helicity Pattern (31508)

  • 124593 10/17/06 12:36  suleiman       Beam: The Separation of Charge Asymmetry and Position difference According to the Helicity Pattern (31535)

  • 124578 10/17/06 10:59  suleiman       Beam: G0 Cavity Signals from run 31535

  • 124577 10/17/06 10:58  suleiman       Beam: Charge asymmteries and Position Differences from run 31535 (OUT) - y differences are still large

    • 

    Monday
    

  • 124535 10/16/06 21:45  C. Davis       Beam: Coulomb Count    Oct. 16, 2006   swing shift

  • 124532 10/16/06 21:30  C. Davis       Beam: swing shift screen-shots

  • 124508 10/16/06 15:07  suleiman       Beam: Charge Asymmtery and Position Differences - Only Hall C Beam in CEBAF - run 31515  

  • 124486 10/16/06 11:31  suleiman       Beam: Coil Modulation Cycle from run 31500

  • 124485 10/16/06 11:17  suleiman       Beam: BPMs Position Differences and Widths from run 31508

  • 124483 10/16/06 11:14  suleiman       Beam: Position Differences from run 31508 (OUT) - The y-differences are large and could be due to mismatch around 3C17 

  • 124481 10/16/06 11:10  suleiman       Beam: G0 Cavity Siganls (31508) - Things are fine now

  • 124480 10/16/06 11:02  suleiman       Beam: Parity Quality of G0 beam at 686 MeV during September-October 06 (Runs 31050-31508)

  • 124474 10/16/06 09:54  Beise          Beam: Crystal spot change has been moved to Tuesday 3:30 PM

    • 

    Sunday
    

    

    Saturday
    

  • 124359 10/14/06 21:08  suleiman       Beam: G0 Cavity EPICS Screens after the fix

  • 124358 10/14/06 20:56  suleiman       Beam: G0 Cavity Siganls (31469)  after fixing downstream cavity phase - now y_CAV2 is fine

  • 124357 10/14/06 20:49  suleiman       Beam: Position Differences from run 31469 (IN) - The y-differences are large and could be due to mismatch around 3C17 

  • 124308 10/14/06 04:24  Alex           Beam: snapshots for checklist

    • 

    Friday
    

  • 124265 10/13/06 16:39  suleiman       Beam:  Check the Correlation between the BPMs CAV1 and CAV2 (run 31399)

  • 124258 10/13/06 16:22  suleiman       Beam: Change Y_CAV2 Phase Offset

  • 124252 10/13/06 15:49  jschaub        Beam: Shift Checklist Screen Shots

  • 124251 10/13/06 15:47  jschaub        Beam: Shift Checklist Screen Shots

  • 124245 10/13/06 14:15  suleiman       Beam: Charge Asymmetry and Position Differences from run 31436

  • 124244 10/13/06 14:09  suleiman       Beam: G0 Cavity Epics Screens - How-to access

  • 124243 10/13/06 13:42  suleiman       Beam: G0 Cavity Signals from run 31431 during Coil Modulation Cycle

  • 124242 10/13/06 13:41  suleiman       Beam: Coil modulation Cycle from run 31431

  • 124232 10/13/06 08:51  suleiman       Beam: The forced gain values for the BPM Calibration

  • 124217 10/13/06 04:30  Alex           Beam: snapshots for checklist

    • 

    Thursday
    

  • 124167 10/12/06 12:01  suleiman       Beam: Check the Correlation between the BPMs H00 and G0B (run 31399)

  • 124142 10/12/06 07:24  DArko          Beam: Shift Checklist > HClog screen shots

  • 124139 10/12/06 06:43  jschaub        Beam: Beam Problems

    • 

    Wednesday
    

  • 124093 10/11/06 14:09  suleiman       Beam: Hall C BPMs Differences and Widths from run 31399

  • 124092 10/11/06 14:07  suleiman       Beam: Charge Asymmtery and Position Differences from run 31399

  • 124091 10/11/06 14:06  suleiman       Beam: G0 Cavity Signals from run 31399 (and from run 31392)

  • 124090 10/11/06 14:05  suleiman       Beam: Modulation Cycle from run 31392

  • 124063 10/11/06 06:49  DArko          Beam: Shift Checklist > HClog screen shots

    • 

    Tuesday
    

  • 124004 10/10/06 14:55  suleiman       Beam: Hall C BPMs Differences and Widths from run 31372

  • 124003 10/10/06 14:53  suleiman       Beam: Charge Asymmtery and Position differences from run 31372

  • 124002 10/10/06 14:52  suleiman       Beam: G0 Cavity Signals from run 31372

  • 123998 10/10/06 14:19  suleiman       Beam: Coil modulation cycle from run 31311 

  • 123964 10/10/06 05:46  DArko          Beam: Shift Checklist > HClog screen shots

    • 

    Monday
    

  • 123872 10/09/06 06:26  DArko          Beam: Shift Checklist > HClog screen shots

  • 123867 10/09/06 03:55  ellis          Beam: Multiple beam trips

    • 

    Sunday
    

  • 123837 10/08/06 20:36  ellis          Beam: A_inj_bcm plot

  • 123809 10/08/06 12:44  DArko          Beam: Shift Checklist > HClog screen shots

  • 123803 10/08/06 11:06  Serge & DArk   Beam: G0/G0B Y less noisy - figures

  • 123786 10/08/06 04:50  Alex           Beam: screenshots for the shift checklist

    • 

    Saturday
    

    

    Friday
    

  • 123681 10/06/06 14:46  suleiman       Beam: RealTime Screens showing PQB from run 31287 -- Hall C 60 uA, Hall A 50 uA

  • 123675 10/06/06 13:05  saw            Beam: BCM calibration change - correction

  • 123674 10/06/06 13:00  suleiman       Beam: Coil Modulation Cycle from run 31284

  • 123672 10/06/06 12:33  saw            Beam: BCM calibration change?

  • 123668 10/06/06 11:53  suleiman       Beam: Hall C BPMs Position Differences and Widths from run 31282 -- IN

  • 123667 10/06/06 11:49  suleiman       Beam: G0 Cavity Signals from run 31282 - y_CAV2 is still non-linear

  • 123666 10/06/06 11:48  suleiman       Beam: Charge Asymmetry and Position Differences from run 31282 -- IN

  • 123665 10/06/06 11:26  suleiman       Beam: The Parity Quality of G0 Beam ended up fine for the last OUT Slug

  • 123660 10/06/06 09:07  saw            Beam: "Beam Studies" starting

  • 123658 10/06/06 08:51  saw            Beam: Inserted Half Wave Plate

  • 123647 10/06/06 05:12  DArko          Beam: A note about HV trips, beam and beam position problems between 03:30 03:50

    • 

    Thursday
    

  • 123627 10/05/06 23:51  Beck           Beam: Beam back after PZT scan and crystal QE measurement

  • 123626 10/05/06 23:33  Beck           Beam: MCC takes beam for daily PZT test (23:30)

  • 123594 10/05/06 15:21  saw            Beam: Restoring EPICS Slope variables on IOC reboot

  • 123591 10/05/06 11:37  Alex           Beam: Mott measurement plot for hallc 

  • 123590 10/05/06 11:22  Alex           Beam: results of the Mott measurement

    • 

    Wednesday
    

  • 123539 10/04/06 21:28  Beck           Beam: Noisy y position at target

  • 123490 10/04/06 15:17  suleiman       Beam: Charge Asymmetry and Position Differences from run 31225

  • 123487 10/04/06 15:14  suleiman       Beam: G0 Parity Quality: y-diffs are a bit larger than what we want

  • 123482 10/04/06 13:58  saw            Beam: Alarm handler for g0beamfeedback.adl modified

  • 123477 10/04/06 12:41  suleiman       Beam: Hall A and B were in Controlled Access during this run.

  • 123475 10/04/06 12:38  suleiman       Beam: G0 Cavity Signals from run 31223

  • 123473 10/04/06 12:35  suleiman       Beam: Charge Asymmetry and Position Differences from run 31223

  • 123463 10/04/06 10:55  suleiman       Beam: Charge Feedback Screens

  • 123462 10/04/06 10:51  Alex | sulei   Beam: We meant 14.18 x 60 = 851 ppm/DAC V

  • 123461 10/04/06 10:50  suleiman       Beam: This happened because the EPICS ioc was rebooted

  • 123460 10/04/06 10:43  Alex | sulei   Beam: IA Scan Results - The new Slope is  951 ppm/DAC V

  • 123454 10/04/06 10:01  suleiman       Beam: G0 Cavity positions from run 31218 during the modulation cycle

  • 123453 10/04/06 09:54  suleiman       Beam: Coil Modulation Cycle from run 31218

    • 

    Tuesday
    

    

    Monday
    

  • 123376 10/02/06 15:42  suleiman       Beam: G0 Cavity Data from run 31090 and 31202 - Correct plots this time -  We see non-linearity in both runs. 

  • 123375 10/02/06 14:36  suleiman       Beam: G0 Cavity Data from run 31202

  • 123355 10/02/06 04:37  DArko          Beam: G0By - possition - new set point

    • 

    Sunday
    

  • 123303 10/01/06 12:46  Alex           Beam: screenshots for the shift checklist

  • 123277 10/01/06 04:18  Larry          Beam: Beam parameter screenshots

    • 

    Saturday