Jefferson Lab HALL A Logbook for April 03 - All EXCEPT Automatic Entries

  • Main INDEX

    Wednesday

  •  99243 04/30/03 23:57  markowitz      shift summary

  •  99241 04/30/03 23:50  LeRose         Magnet settings

  •  99237 04/30/03 23:16  LeRose         Septum Test

  •  99236 04/30/03 23:01  LeRose         Septum test

  •  99222 04/30/03 19:56  LeRose         Septum Ramp

  •  99220 04/30/03 19:43  Kelleher       target to empty target

  •  99217 04/30/03 19:36  Kelleher       Target to single foil

  •  99213 04/30/03 18:38  Markowitz      HARP scans

  •  99211 04/30/03 16:23  vasulk         Short Carbon foil

  •  99208 04/30/03 16:12  vasulk         Lifting Motor lower switch

  •  99206 04/30/03 16:05  Ole Hansen     Day Shift Summary

  •  99205 04/30/03 15:57  choi           Left arm pion rejector L2

  •  99204 04/30/03 15:11  Jack           Gas sensors disabled

  •  99203 04/30/03 15:05  Feuerbach      IMPT: NEW SAFETY for entering Detector Huts and Gas Shed

  •  99202 04/30/03 14:57  jpchen         UPS checked

  •  99201 04/30/03 14:22  choi           Q1 dipole reset etc

  •  99192 04/30/03 13:56  R. Michaels    Final flush of ring buffer implemented

  •  99167 04/30/03 12:51  vasulk         NMR: 36.8%;  EPR 36.1%

  •  99160 04/30/03 09:33  vasulk         NMR correction

  •  99159 04/30/03 09:00  brindza        septum max current

  •  99158 04/30/03 07:20  Solvignon      Target: NMR= 34.1%, EPR= 33.6%

  •  99157 04/30/03 02:56  Solvignon      Beam update: not before noon

  •  99156 04/30/03 01:56  Solvignon      Target: NMR=30.8%, EPR=30.4%

  •  99154 04/30/03 00:39  A. Deur        Work done on target this afternoon

  •  99152 04/30/03 00:08  A. Deur        Tungsten piece removed from the Hall

    • Tuesday

  •  99151 04/29/03 22:59  Aidan Kelleh   Target RTD 5 alarm

  •  99150 04/29/03 19:20  Aidan Kelleh   NMR = 31.06%

  •  99149 04/29/03 18:28  vasulk         Septum Magnet Instructions

  •  99147 04/29/03 13:45  choi           Left arm pion rejector L2

  •  99145 04/29/03 12:53  R. Michaels    L-arm DAQ working again

  •  99129 04/29/03 11:43  vasulk         Polarization: 21 %

  •  99128 04/29/03 11:36  choi           left arm daq failure

  •  99127 04/29/03 11:35  choi           left arm pion rejector L2

  •  99123 04/29/03 10:13  vasulk         Spectrum Analyzer

  •  99122 04/29/03 10:10  choi           Left arm pion rejector level 2

  •  99121 04/29/03 10:09  vasulk         Laser # 5

  •  99120 04/29/03 10:05  vasulk         Long Carbon Foil Replaced

  •  99118 04/29/03 07:50  Solvignon      Target test summary

    • Monday

  •  99117 04/28/03 19:27  vasulk         Target work

  •  99115 04/28/03 15:50  shabetai       Day Shift Summary

  •  99114 04/28/03 15:38  Feuerbach      Sieve spacer mistakes

  •  99113 04/28/03 08:20  vasulk         Gas Sensor Box

  •  99112 04/28/03 08:10  vasulk         Owl Shift Summary Part 3

  •  99106 04/28/03 07:31  jpchen         background study partial summary

  •  99101 04/28/03 07:11  A. Deur        holes !

  •  99086 04/28/03 05:22  vasulk         Owl Shift Summary Part 2

  •  99083 04/28/03 05:15  vasulk         Correction- Thick sieve slit holes not blocked

  •  99060 04/28/03 04:00  vasulk         Background not from Helium-4

  •  99057 04/28/03 03:50  vasulk         Controlled Access

  •  99051 04/28/03 02:41  LeRose         No Holes!

  •  99050 04/28/03 01:39  vasulk         Owl Shift Summary Part 1

  •  99043 04/28/03 01:18  A. Camsonne    Target moved to single foil C

  •  99029 04/28/03 00:19  LeRose         Magnet Settings

  •  99027 04/28/03 00:03  slifer         swing shift summary

    • Sunday

  •  99026 04/27/03 23:32  slifer         Septum current scan: HRS Quads off.

  •  99015 04/27/03 22:47  LeRose, Mark   No quads

  •  98989 04/27/03 22:10  adaq           halog entries

  •  98982 04/27/03 21:42  Adaq           halog test (ignore)

  •  98967 04/27/03 21:11  Adaq           halog test (ignore)

  •  98955 04/27/03 20:47  Adaq           halog test

  •  98944 04/27/03 20:13  Adaq           .

  •  98931 04/27/03 19:30  Aidan Kelleh   target to long foil position

  •  98928 04/27/03 19:24  Feuerbach      Single 1-C Septum scan

  •  98925 04/27/03 19:05  Feuerbach      New test - R-HRS quads off

  •  98924 04/27/03 18:57  slifer         Septum current scan (no target)

  •  98919 04/27/03 18:38  slifer         Experiment status update

  •  98916 04/27/03 18:28  slifer         Septum current scan

  •  98903 04/27/03 17:53  slifer         Septum current scan

  •  98902 04/27/03 17:50  Aidan Kelleh   target moved to empty position

  •  98897 04/27/03 16:55  Aidan Kelleh   Q2 trip

  •  98887 04/27/03 16:12  j, singh       septum strip chart

  •  98885 04/27/03 16:11  vasulk         Shift Summary Part 3

  •  98849 04/27/03 15:22  j. singh       BeO removed & collimators added

  •  98846 04/27/03 14:16  j. singh       plot of T1 rate vs. septum read current

  •  98843 04/27/03 13:12  Feuerbach      Fast sweep of septum current

  •  98832 04/27/03 12:10  Higinbotham    4He at 1atm

  •  98831 04/27/03 12:00  Higinbotham    Scaler Data from Beamline Changes

  •  98824 04/27/03 11:26  Higinbotham    1k Rate with Septum Off

  •  98823 04/27/03 11:24  Higinbotham    Changing Septum Field

  •  98822 04/27/03 10:59  vasulk         Laser # 4 Temperature

  •  98821 04/27/03 10:39  vasulk         Shift Summary Part 2

  •  98796 04/27/03 09:48  Higinbotham    Target Photo

  •  98795 04/27/03 09:12  vasulk         Day Shift Summary Part1

  •  98794 04/27/03 09:07  Higinbotham    New Background Spectrum

  •  98793 04/27/03 07:15  A. Camsonne    HV channel for EP

  •  98792 04/27/03 07:12  A. Camsonne    Septum temperature chart

  •  98790 04/27/03 06:32  R. Michaels    owl shift summary

  •  98788 04/27/03 06:22  R. Michaels    ask for access

  •  98786 04/27/03 06:19  R. Michaels    sieve in, collim in runs

  •  98755 04/27/03 05:24  R. Michaels    R-Q2 trip

  •  98754 04/27/03 04:10  R. Michaels    sieve slit removed, more BGR study

  •  98734 04/27/03 02:41  R. Michaels    various runs to explore BGR.

  •  98726 04/27/03 02:28  A. Camsonne    Target : laser 4 weak

  •  98718 04/27/03 02:17  A. Camsonne    Target moved to BeO/Single Foil C

  •  98711 04/27/03 02:09  R. Michaels    empty target run (*300)

  •  98708 04/27/03 01:53  R. Michaels    L-arm momentum change

  •  98707 04/27/03 01:51  Nilanga        Optics data and background

  •  98706 04/27/03 01:45  R. Michaels    adjustments (no septum -> 6 degr !)

  •  98704 04/27/03 01:27  A. Camsonne    Target moved to empty

  •  98699 04/27/03 00:54  A. Camsonne    Septum temperature chart

  •  98698 04/27/03 00:45  j. singh       swing shift summary

  •  98697 04/27/03 00:41  R. Michaels    carbon in, rate did not change

  •  98694 04/27/03 00:32  R. Michaels    beam quality checks

  •  98689 04/27/03 00:19  j. singh       turned on correction coils

  •  98685 04/27/03 00:14  j. singh       right Q2 tripped again

    • Saturday

  •  98685 04/26/03 23:49  j. singh       right Q2 tripped again

  •  98684 04/26/03 23:38  j. singh       septum ramping up to set 98A

  •  98683 04/26/03 23:09  j. singh       beam back

  •  98682 04/26/03 23:08  j. singh       trouble turning on septum

  •  98677 04/26/03 22:08  j. singh       Beam Permit + Empty Target

  •  98676 04/26/03 22:05  j. singh       laser alignment problem solved

  •  98672 04/26/03 21:44  Solvignon      Laser alignment

  •  98670 04/26/03 21:39  j. singh       right Q2 tripped earlier

  •  98669 04/26/03 21:27  j. singh       target field to 0 deg

  •  98663 04/26/03 19:03  j. singh       set left/right HRS momenta

  •  98662 04/26/03 17:47  j. singh       Target @ Pickup Coils, 270

  •  98659 04/26/03 06:21  Solvignon      Final results for target tests and polarization correction

  •  98658 04/26/03 05:43  Solvignon      Target: NMR = 23.7%; EPR = 24.1%

  •  98657 04/26/03 05:41  Solvignon      Summary of target tests

  •  98656 04/26/03 05:33  Solvignon      EPR: counter gate

  •  98632 04/26/03 02:11  Solvignon      EPR: good spectrum

    • Friday

  •  98577 04/25/03 17:36  slifer         problems with hac solved

  •  98576 04/25/03 17:15  slifer         problems with hac

  •  98572 04/25/03 15:56  A. Camsonne    Day shift summary

  •  98571 04/25/03 15:40  A. Camsonne    Septum temperature chart

  •  98570 04/25/03 15:38  A. Camsonne    IOC network connections problem, EPICS frozen

  •  98569 04/25/03 14:53  A. Camsonne    Septum IOC rebooted by itself

  •  98568 04/25/03 13:13  A. Camsonne    Septum temperature chart : magnet powered

  •  98567 04/25/03 11:58  A. Camsonne    Septum IOC back

  •  98566 04/25/03 11:37  A. Camsonne    Septum IOC frozen again

  •  98565 04/25/03 11:12  A. Camsonne    Target temperatures with lasers on

  •  98564 04/25/03 10:20  Adaq           Target : Laser on

  •  98563 04/25/03 09:35  A. Camsonne    Target temperature up

  •  98562 04/25/03 09:02  A. Camsonne    Septum temperature chart

  •  98561 04/25/03 08:40  A. Camsonne    Lasers off

  •  98559 04/25/03 07:57  P. Solvignon   Shift summary

  •  98558 04/25/03 06:55  Solvignon      Target temperature in empty position

  •  98557 04/25/03 06:30  Solvignon      RTD#2 instable readback

  •  98556 04/25/03 04:57  Solvignon      Target temperature in pick-up coils position

  •  98555 04/25/03 00:32  Solvignon      Septum turned off

  •  98554 04/25/03 00:06  slifer         swing shift summary

    • Thursday

  •  98551 04/24/03 23:29  slifer         CHL crash

  •  98548 04/24/03 22:50  Reitz          ep target not existent

  •  98547 04/24/03 22:01  Chang          Rate vs beam position study

  •  98546 04/24/03 21:50  vasulk         Adjust Correction Coil Current

  •  98545 04/24/03 21:41  vasulk         Target Correction Coils

  •  98544 04/24/03 21:27  A. Deur        sieve slit removed, position test

  •  98543 04/24/03 20:42  slifer         target lasers off

  •  98532 04/24/03 19:01  Chang          Possible target dependent rate

  •  98529 04/24/03 18:48  slifer         target to multiple carbon foil

  •  98524 04/24/03 18:26  Feuerbach      Single and multi-foil difference

  •  98523 04/24/03 18:08  slifer         target to single foil

  •  98522 04/24/03 18:05  slifer         run synch. 1288/20288

  •  98521 04/24/03 17:19  slifer         fast feedback off

  •  98520 04/24/03 17:18  A. Deur        control access

  •  98517 04/24/03 17:03  slifer         DAQ prob. run numbers

  •  98516 04/24/03 16:59  A. Deur        He3 elastic rate

  •  98515 04/24/03 16:58  slifer         left arm DAQ problem

  •  98508 04/24/03 16:45  A. Deur        Sieve slit photos

  •  98505 04/24/03 16:32  slifer         Hall A tools

  •  98504 04/24/03 16:26  A. Deur        beam profile

  •  98503 04/24/03 16:20  slifer         target to pol he-3 position

  •  98493 04/24/03 16:07  Saha, A Vach   Shift Summary

  •  98492 04/24/03 16:06  A. Saha        BTA

  •  98484 04/24/03 15:51  X. Zheng       target moved to EMPTY position

  •  98471 04/24/03 15:29  Higinbotham    Hysteresis ?

  •  98470 04/24/03 15:26  Higinbotham    Sieve Spacing

  •  98469 04/24/03 15:16  vasulk         NMR measurement

  •  98468 04/24/03 14:43  vasulk         Increase Correction coil current

  •  98467 04/24/03 14:43  A.Vacheret     Q2R resetted

  •  98466 04/24/03 14:40  Reitz          Bulls Eye Scan: Harp results

  •  98465 04/24/03 14:24  A. Vacheret    RQ2 tripped

  •  98464 04/24/03 13:46  vasulk         BeO target centered in camera

  •  98462 04/24/03 13:29  Higinbotham    One nice delta peak

  •  98461 04/24/03 13:21  Higinbotham    How it was tuned

  •  98460 04/24/03 12:48  Gavalya        sieve slit inspection

  •  98459 04/24/03 12:37  A. Deur        Access, lasers & target collimators

  •  98458 04/24/03 12:35  vasulk         Target Controlled Access Activities

  •  98457 04/24/03 12:32  Higinbotham    Hall Checks

  •  98456 04/24/03 12:06  X. Zheng       target: lasers were turned off at 11am

  •  98455 04/24/03 12:03  X. Zheng       target moved to EMPTY position

  •  98452 04/24/03 10:57  X. Zheng       target moved to BeO+12C Long Foil position

  •  98451 04/24/03 10:49  A. Vacheret    Septum temperature rising

  •  98445 04/24/03 10:20  A.Vacheret     Septum temperature rising

  •  98444 04/24/03 10:20  X. Zheng       target moved to Pol3He position

  •  98443 04/24/03 10:13  Higinbotham    Different Cuts

  •  98442 04/24/03 10:02  Higinbotham    Cut on large holes dp looks better

  •  98433 04/24/03 09:55  Higinbotham    Sieve Data (no cuts)

  •  98432 04/24/03 09:51  Higinbotham    Spectrum with sieve in wrong location

  •  98430 04/24/03 09:49  X. Zheng       target moved to reference cell position

  •  98428 04/24/03 09:42  A. Deur        left arm data

  •  98424 04/24/03 09:37  A Vacheret     raster size check

  •  98420 04/24/03 09:31  X. Zheng       possible reason for EMPTY target problem

  •  98417 04/24/03 09:25  X. Zheng       pulsed beam

  •  98416 04/24/03 09:19  A. Vacheret    resynchronisation of run numbers

  •  98415 04/24/03 09:09  X. Zheng       Sth. wrong with target EMPTY position, moved to 12C foils.

  •  98414 04/24/03 09:08  A. Deur        Septum temperature strip chart

  •  98413 04/24/03 08:45  Higinbotham    Problem with Hall A Quads

  •  98412 04/24/03 08:44  A. Deur        raster

  •  98411 04/24/03 08:40  X. Zheng       target moved to EMPTY position

  •  98410 04/24/03 08:40  A. Deur        Q2 quench

  •  98409 04/24/03 08:39  A. Deur        OTR

  •  98408 04/24/03 08:37  A. Deur        septum warming up

  •  98406 04/24/03 08:06  Solvignon      Shift checklist

  •  98400 04/24/03 07:36  A. Camsonne    Target : moved to reference cell

  •  98393 04/24/03 06:41  A. Glamazdin   N2 level in left Q3

  •  98392 04/24/03 06:26  A. Camsonne    Target : change target gradient coil with septum current

  •  98391 04/24/03 06:16  A. Camsonne    NMR measurement

  •  98377 04/24/03 03:38  A. Camsonne    Right spectrometer magnets settings

  •  98376 04/24/03 03:35  Eugene         Moller results

  •  98375 04/24/03 00:07  Reitz          septum temps

  •  98373 04/24/03 00:02  Reitz          Shift Summary

    • Wednesday

  •  98372 04/23/03 22:34  Reitz          septum quench

  •  98371 04/23/03 22:08  Reitz          septum screen

  •  98370 04/23/03 21:58  Reitz          septum lost

  •  98369 04/23/03 20:48  slifer         turned on gradient coil

  •  98368 04/23/03 20:11  reitz          right q2 lost

  •  98316 04/23/03 17:51  vasulk         Proteus RTD Positions

  •  98314 04/23/03 17:43  Moffit         Parity DAQ: bcm, battery change

  •  98307 04/23/03 17:07  Ole Hansen     Shift Summary

  •  98305 04/23/03 16:58  slifer         Gradient coil information

  •  98304 04/23/03 16:39  Nanda          Compton

  •  98296 04/23/03 13:37  vasulk         Controlled Access Activities

  •  98293 04/23/03 12:06  Ole Hansen     Day Shift Run Summary part 1

  •  98278 04/23/03 09:57  Ole Hansen     Current to 5uA

  •  98273 04/23/03 09:41  Saha           Arc Integral Measurement

  •  98268 04/23/03 09:25  vasulk         BeO Camera

  •  98266 04/23/03 09:13  vasulk         Encoder position for Empty target

  •  98264 04/23/03 09:07  vasulk         BeO+12Carbon positions

  •  98260 04/23/03 08:05  Paschke/Solv   Shift summary

  •  98242 04/23/03 05:52  paschke        IA scan

  •  98239 04/23/03 05:28  paschke        parity DAQ checkout

  •  98238 04/23/03 05:25  paschke        formula for septum current setpoint

  •  98206 04/23/03 03:53  Solvignon      right cerenkov

  •  98200 04/23/03 03:23  Solvignon      right cerenkov: PMT#3

  •  98173 04/23/03 02:47  paschke        Moved to Empty Target

  •  98153 04/23/03 01:42  paschke        Moved to Empty Target

  •  98149 04/23/03 01:31  LeRose         Sieve at 6 degrees

  •  98143 04/23/03 00:02  Eugene         Run Summary

    • Tuesday

  •  98126 04/22/03 21:47  R. Michaels    L-arm filesplitting enabled too

  •  98121 04/22/03 21:30  R. Michaels    file splitting enabled

  •  98120 04/22/03 20:59  Eugene         Control Access

  •  98096 04/22/03 18:04  Eugene         Control access

  •  98090 04/22/03 17:54  kramerk        Target to Empty Position

  •  98084 04/22/03 17:24  Moffit         Parity: ADC Gain Study at 1 uA

  •  98070 04/22/03 16:59  Eugene         Raster Studies

  •  98053 04/22/03 15:52  A. Deur        Shift summary

  •  98052 04/22/03 15:46  A. Deur        daq faq

  •  98050 04/22/03 15:39  Moffit         Parity DAQ: Changed BCM definition

  •  98045 04/22/03 15:30  R. Michaels    BTA auto numbers fixed

  •  98043 04/22/03 15:25  LeRose         Septum Tests

  •  98042 04/22/03 15:13  A. Deur        rate and prescalers

  •  98032 04/22/03 14:32  R. Michaels    prl2 missing channels

  •  98029 04/22/03 14:12  A. Deur        BTA

  •  98022 04/22/03 14:05  A. Deur        beam back

  •  98021 04/22/03 14:04  A. Deur        beam down

  •  98020 04/22/03 13:40  A. Deur        10 uA in Hall A

  •  98017 04/22/03 13:11  vasulk         Reference cell check

  •  98016 04/22/03 13:04  vasulk         Move to Empty Target position

  •  98007 04/22/03 12:13  vasulk         Move target to BeO position

  •  98001 04/22/03 11:56  A. Deur        OTR in

  •  98000 04/22/03 11:47  A. Deur        cw beam

  •  97997 04/22/03 11:10  vasulk         Helmholtz Coil Current GUI

  •  97992 04/22/03 10:16  vasulk         Target encoder positions

  •  97991 04/22/03 09:59  A. Deur        Pulse beam

  •  97986 04/22/03 08:18  A. Camsonne    Owl Shift summary

  •  97984 04/22/03 04:31  A. Camsonne    EP Ion chamber

  •  97983 04/22/03 04:06  A. Camsonne    Pulsed beam for tuning

  •  97982 04/22/03 02:08  Solvignon      Longitudinal laser wavelength

  •  97980 04/22/03 00:01  Solvignon      RTD readback with 3 lasers at full power

  •  97979 04/22/03 00:01  A. Deur        Shift summary

    • Monday

  •  97975 04/21/03 22:38  A. Deur        Pulsed beam

  •  97974 04/21/03 22:15  A .Deur        Pulse beam

  •  97973 04/21/03 22:04  R. Michaels    bta working ...

  •  97970 04/21/03 20:50  A. Deur        Hall A sweep is done

  •  97969 04/21/03 20:50  A. Deur        Q2 right arm triped

  •  97968 04/21/03 20:37  X. Zheng       move target to empty postion

  •  97967 04/21/03 19:37  A. Deur        Left arm momentum setting

  •  97966 04/21/03 18:46  X. Jiang       left arm pion rejector. most likely a software problem.

  •  97963 04/21/03 18:30  vasulk         Target encoder positions

  •  97962 04/21/03 18:10  R. Michaels    bta broken

  •  97959 04/21/03 16:03  A. Vacheret    shift summary

  •  97905 04/21/03 08:33  Solvignon      Detector check

  •  97904 04/21/03 07:58  solvignon      Shift summary

  •  97901 04/21/03 07:02  j. singh       FIRE? - left shield hut alarm

  •  97895 04/21/03 04:54  j singh        mech. switch fixed

  •  97892 04/21/03 04:12  Solvignon      temporary target positions

  •  97891 04/21/03 03:16  j singh        target FSD problem

    • Sunday

    

    Saturday
    

  •  97884 04/19/03 16:43  R. Michaels    Timing adjustments

  •  97878 04/19/03 14:25  atrig          Trigger-Download

    • 

    Friday
    

  •  97859 04/18/03 16:17  R. Michaels    plugged in EDTM pulser

  •  97854 04/18/03 16:08  atrig          Trigger-Download

  •  97846 04/18/03 14:14  atrig          Trigger-Download

    • 

    Thursday
    

  •  97803 04/17/03 15:48  atrig          Trigger-Download

    • 

    Wednesday
    

  •  97731 04/16/03 16:48  R. Michaels    trigger latch (part 2)

  •      0 04/16/03 16:22 no_name         no_key

  •  97707 04/16/03 13:21  R. Michaels    trigger latch into TDC

    • 

    Tuesday
    

  •  97689 04/15/03 17:26  R. Michaels    plugged in T1 to a TDC

  •  97681 04/15/03 16:41  R. Michaels    helicity in ADCs

  •  97678 04/15/03 15:49  atrig          Trigger-Download

    • 

    Monday
    

    

    Saturday
    

    

    Thursday
    

  •  97621 04/10/03 16:01  atrig          Trigger-Download

    • 

    Wednesday
    

  •  97610 04/09/03 16:11  R. Michaels    multiple files for run 20585

    • 

    Tuesday
    

    

    Monday
    

    

    Friday
    

  •  97486 04/04/03 14:42  atrig          Trigger-Download

  •  97485 04/04/03 11:55  atrig          Trigger-Download

  •  97483 04/04/03 11:50  atrig          Trigger-Download

  •  97482 04/04/03 11:48  atrig          Trigger-Download

  •  97481 04/04/03 11:48  atrig          Trigger-Download

    •