Jefferson Lab HALL A Logbook for February 01 - All EXCEPT Automatic Entries

  • Main INDEX

    Wednesday

  •  57204 02/28/01 22:59  Higinbotham    Harp Scan and OTR

  •  57200 02/28/01 22:14  Higinbotham    BeO Check

  •  57193 02/28/01 19:44  Lingyan        E_gamma for coin15_LD2

  •  57191 02/28/01 19:07  vasulk         Reboot IOC

  •  57190 02/28/01 19:04  Higinbotham    Magnet Screen

  •  57185 02/28/01 16:55  jpchen         flow plot from cryo group

  •  57184 02/28/01 16:47  jpchen         Guideline for change LH2/LD2 fan frequency

  •  57181 02/28/01 16:37  jpchen         LH2 fan heat power test

  •  57180 02/28/01 16:31  jpchen         Target operators, please adjust coolant flow (J-T valve) slowly

  •  57178 02/28/01 16:01  LeRose         Shift Summary

  •  57173 02/28/01 14:30  Lingyan        LH2 fan problem

  •  57169 02/28/01 13:15  LeRose         Adjusted Collimators

  •  57168 02/28/01 13:15  Ole Hansen     Changed X Windows fonts on hacsbc2

  •  57166 02/28/01 13:07  Ole Hansen     Radiator is indeed out

  •  57162 02/28/01 11:38  Lingyan        harp scan

  •  57161 02/28/01 11:30  LeRose         Magnet Screen

  •  57160 02/28/01 11:26  Saha           Arc Integral Measurement

  •  57159 02/28/01 11:26  LeRose         BeO Spot

  •  57158 02/28/01 09:34  atrig          Trigger-Download

  •  57157 02/28/01 08:33  Dutta          shift summary

  •  57132 02/28/01 02:30  Adaq           Egamma spectrum for LD2 (coin 13)

  •  57130 02/28/01 02:27  Adaq           Q3 tripped off 3rd time tonight

  •  57122 02/28/01 00:05  Higinbotham    Shift Summary

    • Tuesday

  •  57121 02/27/01 23:58  Higinbotham    Q3 tripped off again

  •  57120 02/27/01 23:40  Higinbotham    Q3 coming back online

  •  57119 02/27/01 23:30  Higinbotham    Right Q3 Tripped Off

  •  57113 02/27/01 22:37  Higinbotham    Spot Check

  •  57107 02/27/01 22:01  reitz          BeO postion check

  •  57106 02/27/01 21:58  Higinbotham    Harp Scan

  •  57103 02/27/01 20:11  atrig          Trigger-Download

  •  57100 02/27/01 18:10  jpchen         set target to LD2 running condition

  •  57099 02/27/01 18:07  jpchen         LH2/LD2 operation: guideline for target operators

  •  57098 02/27/01 17:21  Lingyan        scintillator efficiency for coin13_he4

  •  57097 02/27/01 17:13  jpchen/mccor   Target cooldown completed

  •  57096 02/27/01 16:29  jpchen         He4 target pressure transducer calibrated

  •  57095 02/27/01 16:28  jpchen         BeO target in position

  •  57094 02/27/01 16:27  jpchen         Cryotarget switch from He4 to LH2/LD2 status

  •  57092 02/27/01 16:11  jpchen/mccor   Target motion during warm-up and cooldown.

  •  57091 02/27/01 15:52  atrig          Trigger-Download

  •  57090 02/27/01 12:39  X. Zheng       Gas Cherenkov Calibration

  •  57089 02/27/01 11:50  Jack           Gas sensors.

  •  57087 02/27/01 07:55  ddutta         Shift summary

  •  57047 02/27/01 00:41  Lingyan Zhu    swing shift summary

    • Monday

  •  57043 02/26/01 23:53  Reitz          bpm/harp calibration pedestals

  •  57042 02/26/01 23:49  Lingyan        target IOC reboot

  •  57037 02/26/01 22:47  Lingyan        E_gamma for He4 coin13

  •  57021 02/26/01 18:45  Lingyan        beam positon on BeO

  •  57020 02/26/01 18:18  Lingyan        r-arm dipole ramp curve

  •  57019 02/26/01 18:17  Jack           Right Arm flammable gas sensor.

  •  57018 02/26/01 18:06  Lingyan        One L-arm bad cable replaced

  •  57014 02/26/01 15:40  atrig          Trigger-Download

  •  57013 02/26/01 15:06  weinstein      shift summary

  •  57007 02/26/01 14:01  R. Michaels    how good is DAQ-busy deadtime

  •  57005 02/26/01 13:26  Calarco        Magnet ramp down

  •  57004 02/26/01 12:19  R. Michaels    fixed a few scaler problems

  •  56992 02/26/01 07:55  ddutta         Shift Summary

  •  56983 02/26/01 05:35  feng           Coda crash

  •  56978 02/26/01 04:17  Adaq           radiator is out

  •  56969 02/26/01 00:28  Lingyan        Swing shift summary

    • Sunday

  •  56965 02/25/01 22:13  Branko         BCM coefficients

  •  56959 02/25/01 20:14  Lingyan        Beam position on BeO

  •  56957 02/25/01 18:35  Calarco        Close call!!!

  •  56956 02/25/01 18:18  Calarco        Right dipole (continued)

  •  56955 02/25/01 18:12  Calarco        Magnet strip chart

  •  56954 02/25/01 18:09  Calarco        Procedure for right dipole

  •  56953 02/25/01 17:46  Calarco        How to set the right dipole

  •  56950 02/25/01 14:53  atrig          Trigger-Download

  •  56946 02/25/01 13:02  Calarco/Dohr   Magnet Quench Right D

  •  56945 02/25/01 11:42  jpchen         Completed He4 target cool-down

  •  56944 02/25/01 10:37  Calarco        Hall Status

  •  56943 02/25/01 08:49  Calarco        Magnets

  •  56938 02/25/01 07:48  Feng           Shift summary

  •  56937 02/25/01 07:09  jpchen         Target lift power reset

  •  56936 02/25/01 07:05  jpchen         cryotarget cooldown

    • Saturday

  •  56932 02/24/01 19:22  atrig          Trigger-Download

  •  56929 02/24/01 18:13  Lingyan        DAQ not completely back

  •  56922 02/24/01 15:05  Calarco        Shift summary

  •  56921 02/24/01 12:44  Calarco        Power Failure

  •  56920 02/24/01 12:36  Adaq           power outage

  •  56909 02/24/01 09:24  dohrmann       Left Arm D1 NMR was locked

  •  56907 02/24/01 07:51  R. Michaels    owl shift summary

  •  56906 02/24/01 07:11  R. Michaels    magnet status, no detector access

  •  56905 02/24/01 04:45  R. Michaels    R-arm dipole quench, He level low

  •  56904 02/24/01 04:14  atrig          Trigger-Download

  •  56903 02/24/01 03:49  R. Michaels    switch to kine 14

  •  56900 02/24/01 02:18  Lingyan        prescale and deadtime error from run 2159 to run 2169

  •  56897 02/24/01 02:03  R. Michaels    re: odd mult. peaks in TDCs

  •  56888 02/24/01 00:00  dohrmann       Shift summary

    • Friday

  •  56883 02/23/01 22:06  Adaq           rebooted rocs 1,2,14, restarted coda

  •  56879 02/23/01 21:20  adaq           some beamtrips

  •  56867 02/23/01 17:49  adaq           beam back at 17:25

  •  56865 02/23/01 17:14  adaq           no beam till at least 17:30

  •  56864 02/23/01 17:02  Adaq           no beam due to MCC studies

  •  56857 02/23/01 14:45  reimer         trigger for 2154-56

  •  56855 02/23/01 14:40  atrig          Trigger-Download

  •  56854 02/23/01 14:39  atrig          Trigger-Download

  •  56848 02/23/01 13:53  gilman         pulsed beam again

  •  56846 02/23/01 13:05  reimer         BeO beam position

  •  56845 02/23/01 12:27  gilman         loop1 fan frequency

  •  56843 02/23/01 11:44  gilman         cosmic test run, wrong kinematics

  •  56841 02/23/01 11:35  jpchen         jpchen

  •  56840 02/23/01 11:28  gilman         spectrometers set for 4.3 GeV

  •  56839 02/23/01 11:15  jpchen         TO needs watch pressure/temperature and heat load carefully

  •  56838 02/23/01 11:10  jpchen         BeO target in position

  •  56837 02/23/01 11:06  jpchen         He4 re-cool-down completed

  •  56836 02/23/01 10:05  gilman         what is happening now

  •  56834 02/23/01 08:24  Hong Xiang     Owl shift6 Summary(2/23)

  •  56833 02/23/01 07:42  Lingyan        target vent

  •  56819 02/23/01 03:57  Hong Xiang     Difference in He4 and LD2 Spectra?

  •  56815 02/23/01 02:47  atrig          Trigger-Download

  •  56802 02/23/01 00:04  Lingyan Zhu    Swing shift summary

    • Thursday

  •  56798 02/22/01 23:13  atrig          Trigger-Download

  •  56790 02/22/01 20:56  Lingyan        Target IOC reboot

  •  56789 02/22/01 20:49  Lingyan        E_gamma for He4 coin9

  •  56786 02/22/01 20:13  R. Michaels    pulser is double counting

  •  56777 02/22/01 17:43  Kumbartzki     BeO spot check/ Harp

  •  56776 02/22/01 17:39  Hong Xiang     2/22/01 Day Shift Summary

  •  56770 02/22/01 16:31  atrig          Trigger-Download

  •  56769 02/22/01 16:28  jpchen         Need to set to run condition for HE4 before beam come.

  •  56768 02/22/01 16:22  jpchen         Target motion during warmup and cooldown

  •  56767 02/22/01 16:13  x. jiang       djust pion rejector first layer high voltages again

  •  56766 02/22/01 16:03  X. Jiang       left-arm high voltage screen at run 2125

  •  56765 02/22/01 16:03  jpchen         cryotarget switch from LH2/LD2 to He4 completed.

  •  56761 02/22/01 09:49  Hong Xiang     Spec setting for survey

  •  56759 02/22/01 06:39  Kumbartzki     Owl shift summary

  •  56726 02/22/01 00:53  atrig          Trigger-Download

  •  56722 02/22/01 00:07  Hong Xiang     Shift Summary(swing)

    • Wednesday

  •  56701 02/21/01 21:49  Hong Xiang     Egamma Spectra, sing9_rev  Setting

  •  56687 02/21/01 20:43  atrig          Trigger-Download

  •  56666 02/21/01 16:06  atrig          Trigger-Download

  •  56664 02/21/01 16:01  Adaq           Day shift summary

  •  56661 02/21/01 15:27  Kumbartzki     BeO check

  •  56660 02/21/01 14:33  X. Jiang       changed left -arm pion rejector High Voltage settings

  •  56659 02/21/01 14:21  X. Jiang       Left -arm high voltage screen after run 2078

  •  56658 02/21/01 14:04  stevensm       right dipole locked up

  •  56657 02/21/01 13:52  Jack           Right arm gas sensor.

  •  56652 02/21/01 08:02  Hong Xiang     Shift Summary

  •  56650 02/21/01 07:58  atrig          Trigger-Download

  •  56627 02/21/01 04:17  atrig          Trigger-Download

  •  56625 02/21/01 04:09  kramerk        left-gas cerenkov plot

  •  56623 02/21/01 04:01  bogdanw        HV on Left Arm GC

  •  56613 02/21/01 01:05  Lingyan        target density test run summary

  •  56602 02/21/01 00:06  Kumbartzki     Swing shift summary

    • Tuesday

  •  56571 02/20/01 20:24  bogdanw        Left Arm GC #9

  •  56570 02/20/01 20:22  atrig          Trigger-Download

  •  56569 02/20/01 20:18  atrig          Trigger-Download

  •  56568 02/20/01 20:17  atrig          Trigger-Download

  •  56549 02/20/01 16:02  Olivier        Day shift summary

  •  56547 02/20/01 15:51  atrig          Trigger-Download

  •  56546 02/20/01 15:47  Saha           Arc Integral measurement

  •  56545 02/20/01 15:27  atrig          Trigger-Download

  •  56544 02/20/01 15:08  Olivier        Ramping up magnets

  •  56543 02/20/01 12:52  Saha           Arc measurement in Achromatic Mode

  •  56541 02/20/01 12:18  Saha           Harp Scans

  •  56540 02/20/01 12:11  Olivier        BeO target check

  •  56521 02/20/01 09:43  Olivier        Beam off

  •  56519 02/20/01 09:21  Olivier        ROC 14 reset

  •  56517 02/20/01 09:07  Olivier        DAQ problem

  •  56505 02/20/01 07:57  Hong Xiang     Shift Summary

  •  56493 02/20/01 06:44  atrig          Trigger-Download

  •  56486 02/20/01 05:42  Hong Xiang     Gas System Alarm went off

  •  56485 02/20/01 04:38  atrig          Trigger-Download

  •  56451 02/20/01 00:47  atrig          Trigger-Download

  •  56445 02/20/01 00:07  Kumbartzki     Swing shift summary

    • Monday

  •  56422 02/19/01 20:28  Lingyan        egamma of sing9

  •  56421 02/19/01 20:28  K. McCormick   ESR Temperature high

  •  56418 02/19/01 20:26  Lingyan        E_gamma plot for Coin7

  •  56407 02/19/01 18:52  Adaq           Harp scan, again

  •  56405 02/19/01 18:47  Adaq           Harp Scan

  •  56404 02/19/01 16:05  S. Strauch     Schift summjary

  •  56402 02/19/01 13:55  Wang Xu        The Upgraded Espace

  •  56401 02/19/01 10:24  jpchen         Moved target to BeO

  •  56400 02/19/01 09:00  Lingyan        E_gamma from LD2 sing9

  •  56399 02/19/01 08:01  Lingyan        shift summary

  •  56397 02/19/01 06:42  Lingyan        Beam off

  •  56392 02/19/01 05:27  Lingyan        FF on before 1964

  •  56391 02/19/01 04:20  atrig          Trigger-Download

  •  56380 02/19/01 02:25  Lingyan        E_gamma spectrum of coin7

  •  56375 02/19/01 00:14  atrig          Trigger-Download

    • Sunday

  •  56372 02/18/01 23:59  Ole Hansen     Shift Summary

  •  56371 02/18/01 23:55  Ole Hansen     FF off. Beam position drifting.

  •  56358 02/18/01 20:18  H. Xiang       E_gamma spectrum for coin8

  •  56352 02/18/01 18:45  Ole Hansen     Runs 1951-1952 are junk

  •  56346 02/18/01 17:25  atrig          Trigger-Download

  •  56345 02/18/01 16:03  Olivier        Day shift summary

  •  56335 02/18/01 14:22  Olivier        BeO target

  •  56334 02/18/01 14:19  OIivier        CODA in unbuffered mode

  •  56333 02/18/01 14:03  Olivier        Start run comments correction

  •  56324 02/18/01 12:30  H. Xiang       E_gamma spectrum for coin9

  •  56323 02/18/01 12:09  Olivier        Beam dump problem

  •  56322 02/18/01 11:33  Z.-E. Mezian   Cryotarget

  •  56315 02/18/01 09:49  Olivier        L- Gas Cerenkov HV

  •  56311 02/18/01 08:23  Olivier        Optics data

  •  56308 02/18/01 08:04  Lingyan        Shift summary

  •  56302 02/18/01 05:08  Lingyan        TDC roc2 slot 4 ok after suppress the pedestals

  •  56291 02/18/01 03:52  atrig          Trigger-Download

  •  56289 02/18/01 02:50  Lingyan        R-arm Q2 fixed

  •  56287 02/18/01 00:12  R. Michaels    adaqs2 root partition filled up, ok now

    • Saturday

  •  56286 02/17/01 23:36  Gao            R-arm Q2 quenched again!

  •  56285 02/17/01 21:00  Adaq           Pulse beam!

  •  56284 02/17/01 19:42  H. Gao         Right-arm Q2 quench!

  •  56283 02/17/01 17:56  atrig          Trigger-Download

  •  56282 02/17/01 17:51  atrig          Trigger-Download

  •  56281 02/17/01 13:46  Olivier        radiator motion

  •  56278 02/17/01 11:13  gomez          EPICS control screens

  •  56277 02/17/01 03:55  Hong Xiang     EPICS HV Control Display Problem

  •  56276 02/17/01 02:29  Lingyan        BPM/Harp calibration results

  •  56273 02/17/01 01:11  Lingyan        l-arm VDC: missing wires back

    • Friday

  •  56271 02/16/01 15:57  atrig          Trigger-Download

  •  56270 02/16/01 15:51  R. Michaels    TDC roc 1 slot 21 ok now

  •  56267 02/16/01 14:29  Mitchell/Hol   target cool down motion

    • Thursday

  •  56257 02/15/01 20:33  Lingyan        PMT and HV change to l-arm gas#7,#9 and s1#1r, r-arm S1#3l

  •  56254 02/15/01 16:58  R. Michaels    extra gates

  •  56253 02/15/01 16:36  R. Michaels    missing gates, "fixed"

  •  56249 02/15/01 14:33  R. Michaels    put T1,T3 into TDC as flag

    • Wednesday

  •  56242 02/14/01 14:19  R. Michaels    files split by hand

  •  56240 02/14/01 12:02  atrig          Trigger-Download

    • Tuesday

  •  56239 02/13/01 21:43  Lingyan        scintillator threhold

  •  56238 02/13/01 21:30  Lingyan        left-scintillator calibration

  •  56237 02/13/01 20:29  Lingyan        right arm current

  •  56236 02/13/01 20:19  Lingyan        l-arm HV setting

  •  56231 02/13/01 13:14  Lingyan        left-HV 4.8?

  •  56230 02/13/01 13:09  Lingyan        Left arm HV restored and Right arm problem

  •  56229 02/13/01 13:03  Lingyan        A2 #25 and #26 pedestal narrowed

  •  56228 02/13/01 12:47  atrig          Trigger-Download

    • Wednesday

  •  56224 02/07/01 11:45  R. Michaels    trigger restored

  •  56223 02/07/01 11:25  atrig          Trigger-Download

  •  56222 02/07/01 11:25  atrig          Trigger-Download

  •  56221 02/07/01 11:24  atrig          Trigger-Download

  •  56219 02/07/01 10:10  atrig          Trigger-Download

    • Tuesday

  •  56218 02/06/01 15:24  Saha           HAC Display - LVDT pointing readings

    • Monday

  •  56217 02/05/01 14:12  R. Michaels    trigger temp. disabled

    • Saturday

    

    Thursday
    

  •  56214 02/01/01 00:12  Lingyan        reason of decoder error: VDC threhold zero

    •