Jefferson Lab Hall C Logbook for January 07 - Beam

  • Main INDEX

    Wednesday

  • 132243 01/31/07 10:19  jschaub        Beam: G0 Cavity Signals from Run 33722

  • 132242 01/31/07 10:17  jschaub        Beam: Charge Asymmtery and Position Differences from Run 33722 - OUT

  • 132241 01/31/07 10:03  jschaub        Beam: Had MCC Change the Beam Position

  • 132238 01/31/07 09:45  jschaub        Beam: Coil Modulation Cycle from Run 33720

  • 132236 01/31/07 09:19  Williamson     Beam: Charge Asymmetry Width Larger than Usual

    • Tuesday

  • 132187 01/30/07 18:54  Williamson     Beam: Mott Polarization Measurement (earlier today)

    • Monday

  • 132141 01/29/07 20:18  pate           Beam: no good beam for some time now...

  • 132113 01/29/07 11:40  jschaub        Beam: G0 Cavity Signals from Run 33689

  • 132112 01/29/07 11:38  jschaub        Beam: Charge Asymmtery and Position Differences from Run 33689 - OUT

  • 132096 01/29/07 06:25  Alex           Beam: the beam current just increased back to 35uA

    • Sunday

  • 132065 01/28/07 19:09  pate           Beam: beam is back; still at 30 uA

  • 132060 01/28/07 18:01  pate           Beam: software problem at MCC

  • 132052 01/28/07 16:16  jmammei        Beam: G0 Cavity signals from Run 33662

  • 132047 01/28/07 15:37  jmammei        Beam: MCC sending ~10 uA

  • 132045 01/28/07 13:50  jmammei        Beam: MCC sending low I beam

  • 132044 01/28/07 12:46  jmammei        Beam: MCC update

    • Saturday

  • 132035 01/27/07 23:40  pate           Beam: there's been no beam since about 19:15

  • 131994 01/27/07 15:43  jmammei        Beam: had low currents for several minutes

  • 131983 01/27/07 14:45  jmammei        Beam: current increased to 35 uA

  • 131968 01/27/07 11:36  jmammei        Beam: IHWP and charge asymmetry

  • 131964 01/27/07 11:14  jmammei        Beam: changed IHWP to OUT

    • Friday

  • 131895 01/26/07 18:29  Williamson     Beam: Today's Mott Measurement

  • 131894 01/26/07 18:29  Williamson     Beam: Today's Mott Measurement

  • 131893 01/26/07 18:29  Williamson     Beam: Today's Mott Measurement

  • 131883 01/26/07 16:13  jschaub        Beam: Target Computer Restart

    • Thursday

  • 131771 01/25/07 16:03  suleiman       Beam: Position Feedback using the helicity magnets in the Injector

    • Wednesday

  • 131660 01/24/07 15:32  jschaub        Beam: G0 Cavity Signals from Run 33548

  • 131659 01/24/07 15:29  jschaub        Beam: Charge Asymmtery and Position Differences from Run 33548 - IN

  • 131658 01/24/07 15:25  jschaub        Beam: Coil Modulation Cycle from Run 33528

  • 131655 01/24/07 14:51  suleiman       Beam: Helicity Magnets Slopes in the Injector

  • 131647 01/24/07 13:02  suleiman       Beam: Helicity Magnets Calibration in the Injector

    • Tuesday

  • 131574 01/23/07 21:28  jschaub        Beam: Changing XStage

  • 131564 01/23/07 19:46  voutier        Beam: Beam energy

  • 131559 01/23/07 18:27  Williamson     Beam: Channel Access Now Granted for Pockel's Cell X Position (when changing IHWP)

  • 131533 01/23/07 13:24  jmammei        Beam: Mott measurement results

  • 131498 01/23/07 04:59  Alex           Beam: Shift Checklist Screen Snapshots

    • Monday

  • 131487 01/22/07 23:55  voutier        Beam: Beam energy

  • 131485 01/22/07 23:51  voutier        Beam: Beam energy

  • 131451 01/22/07 14:56  jschaub        Beam: Charge Asymmtery and Position Differences from Run 33490 - OUT

  • 131450 01/22/07 14:52  jschaub        Beam: G0 Cavity Signals from Run 33490

  • 131448 01/22/07 14:49  jschaub        Beam: Coil Modulation Cycle from Run 33486

  • 131444 01/22/07 14:23  jschaub/sule   Beam: Parity Quality Plots for the Various Backward-Angle Running Periods

  • 131433 01/22/07 12:22  jschaub        Beam: Beam Trip ghtot Alarm

  • 131403 01/22/07 05:10  Alex/Anna      Beam: shift checklist

    • Sunday

    

    Saturday
    

    

    Friday
    

  • 131237 01/19/07 17:13  jroche         Beam: feedback screen for HWP OUT

  • 131233 01/19/07 16:18  jschaub        Beam: Another Beam Trip Transient ghtot Alarm

  • 131220 01/19/07 13:09  jschaub        Beam: Charge Asymmtery and Position Differences from run 33419 - IN

  • 131219 01/19/07 13:08  jschaub        Beam: G0 Cavity Signals from run 33419

    • 

    Thursday
    

  • 131159 01/18/07 22:46  jroche         Beam: noisy charge asymmerty: realtime analysis snapshot

  • 131153 01/18/07 21:48  jroche         Beam: noisy charge asymmetry width?

    • 

    Wednesday
    

    

    Tuesday
    

  • 130920 01/16/07 13:57  suleiman       Beam: G0 Cavity Signals from run 33333 - still bad.

  • 130919 01/16/07 13:56  suleiman       Beam: Charge Asymmtery and Position Differences from run 33333 - OUT -

  • 130915 01/16/07 13:27  suleiman       Beam: coil Modulation Cycle from run 33327

  • 130904 01/16/07 10:15  Armstrong      Beam: Helicity-correlated beam properties

    • 

    Monday
    

  • 130853 01/15/07 14:09  pate           Beam: G0bpm.adl display went white --- reboot of vmec15 needed to get it started again

    • 

    Sunday
    

  • 130789 01/14/07 15:52  pate           Beam: IHWP now OUT

    • 

    Saturday
    

    

    Friday
    

    

    Thursday
    

  • 130564 01/11/07 18:07  Franklin       Beam: Restart Beam Feedback

  • 130560 01/11/07 17:01  suleiman       Beam: G0 Cavity Signals from run 33214 - Still bad

  • 130559 01/11/07 16:58  suleiman       Beam: Charge Asymmetry and Position Differences from run 33214 - OUT - Looks good

  • 130557 01/11/07 16:50  suleiman       Beam: Coil Modulation Cycle from run 33213 - The dispersion in Hall C line has been fixed

  • 130556 01/11/07 16:49  Franklin       Beam: IOC rebooted

  • 130543 01/11/07 15:10  jschaub        Beam: Screen Captures

  • 130541 01/11/07 14:39  suleiman       Beam: After huge effort by Pete Francis (Thanks) - IPM0L03XM is now fixed

  • 130539 01/11/07 14:19  horn           Beam: feedback display updated

  • 130535 01/11/07 14:13  horn           Beam: halo and beam positions after tuning

  • 130527 01/11/07 12:41  jmammei        Beam: injector calibrations added to DB for last calibration

  • 130520 01/11/07 11:41  suleiman       Beam: The XM wire of the 0L03 BPM is bad 

  • 130519 01/11/07 11:40  suleiman       Beam: Mike Spata was informed of the big dispersion in our line and he is going to fix it now.

  • 130515 01/11/07 11:09  jmammei        Beam: BPM calibrations for run 33190

  • 130514 01/11/07 10:58  suleiman       Beam: Charge Asymmetry and Position Differences from run 33207 - OUT

  • 130510 01/11/07 10:28  Lung/Suleima   Beam: The Parity-Quality Screens from the RealTime Display

  • 130509 01/11/07 10:17  suleiman       Beam: Coil Modulation Cycle from run 33207 

    • 

    Wednesday
    

  • 130474 01/10/07 23:54  Franklin       Beam: Parity QUality

  • 130473 01/10/07 23:32  Franklin       Beam: Halos erratic

  • 130466 01/10/07 22:13  Franklin       Beam: Halo problem

  • 130461 01/10/07 20:58  Franklin       Beam: Beam off for awhile

  • 130453 01/10/07 17:51  suleiman       Beam: Increase the limits (factor 2) on the first coil (y)

  • 130452 01/10/07 17:47  suleiman       Beam: Coil Modulation Cycle from run 33189 - will lower the limits on Coil 6 (y)

  • 130451 01/10/07 17:36  suleiman       Beam: The IOCs are in Gain OFF

  • 130450 01/10/07 17:33  suleiman/Fra   Beam: Start BCM/BPM Calibration run 33190

  • 130446 01/10/07 16:49  suleiman       Beam: G0 Cavity Siganls from run 33185 - The signals are saturated since we are running at 35 uA now

  • 130439 01/10/07 16:04  suleiman       Beam: Charge Asymmetry and Position Differences from run 33185 - OUT - Looks good.

  • 130438 01/10/07 15:36  suleiman       Beam: How to change the Insertable Half-wave Plate (IHWP)

    • 

    Tuesday
    

  • 130342 01/09/07 22:38  suleiman       Beam: The position diffeences for IN and OUT

  • 130327 01/09/07 20:03  suleiman       Beam: The Beam positions on target and on the pivot are good now

  • 130317 01/09/07 16:54  suleiman       Beam: The BCM1 and BCM2 Gains were lowered from 4 to 3 - The epics gains should be adjusted to matc hthe new Gain settings

  • 130313 01/09/07 14:23  suleiman       Beam: Coil Modulation Cycle from run 33153 - Change the modulation amplitude

  • 130311 01/09/07 11:57  suleiman       Beam: G0 Cavity Signals from run 33153

  • 130310 01/09/07 11:44  suleiman       Beam: Parity Quality from run 33153 - Not that big improvement and still showing the same behavior in Hall C line - Chao is working on it now

  • 130308 01/09/07 10:34  suleiman       Beam: The Parity Quality of G0 beam has improved overnight 

    • 

    Monday
    

  • 130267 01/08/07 23:16  Franklin       Beam: LUMI HVs turned on.

  • 130256 01/08/07 21:27  suleiman       Beam: Parity Quality for IN - run 33136

  • 130255 01/08/07 21:21  suleiman       Beam: Hall C BPMs Widths during run 33136

  • 130252 01/08/07 20:58  suleiman       Beam: The RealTime plots showing parity-quality from run 33136

  • 130251 01/08/07 20:54  suleiman       Beam: Parity Quality for OUT - run 33135

  • 130250 01/08/07 20:50  suleiman       Beam: Hall C BPMs Widths during run 33135

  • 130247 01/08/07 20:39  suleiman       Beam: Parity Controls Screen - during run 33136

  • 130244 01/08/07 20:18  suleiman       Beam: The RealTime plots showing parity-qulaity from run 33135

  • 130243 01/08/07 20:10  suleiman       Beam: Charge Feedback is ON

  • 130242 01/08/07 20:01  suleiman       Beam: IA Scan. New Slope  and the Charge Feedback is ON. New Slope = -1225 ppm/DAC V.

  • 130230 01/08/07 18:05  Franklin       Beam: First Beam

    • 

    Saturday
    

    

    Friday
    

    

    Thursday
    

    

    Wednesday
    

  • 130148 01/03/07 21:16  suleiman       Beam: The Injector beam studies are over for now - On sunday swing we will check the parity Quality in Hall C 

  • 130147 01/03/07 21:10  suleiman       Beam: G0 Injector Beam Studies

  • 130145 01/03/07 20:32  suleiman       Beam: The status of the laser table at the end of beam studies

  • 130134 01/03/07 18:29  suleiman       Beam: PC Stages for OUT

  • 130127 01/03/07 17:17  suleiman       Beam: Injector BPMs Pedestals from run 33103 (monitor_calibration_id=18)

  • 130123 01/03/07 16:46  suleiman       Beam: Laser setup at start of beam studies

  • 130122 01/03/07 16:35  suleiman       Beam: iocse11 is in Gains off

  • 130115 01/03/07 16:24  suleiman       Beam: Pc Status at the start of beam test (and iocse11)

    • 

    Tuesday
    

  • 130111 01/02/07 16:42  Bailey & Sul   Beam: G0 PC Installation Summary

    • 

    Monday