Jefferson Lab Hall C Logbook for March 11 - Target

  • Main INDEX

    Thursday

  • 225781 03/31/11 09:02  pqwang         Target: Target moved out to home position, Target Screenshots & Status

  • 225745 03/31/11 05:42  Nuruzzaman     Target: Target GUI and strip charts screenshots

  • 225715 03/31/11 00:31  Nuruzzaman     Target: Target GUI and strip charts screen shots at the beginning of owl shift.

    • Wednesday

  • 225703 03/30/11 23:57  buddhini       Target: screen shots at the end of swing shift

  • 225651 03/30/11 16:13  buddhini       Target: Target screen shots at the begining of the swing shift

  • 225649 03/30/11 16:07  smithg         Target: added an alarm for the bellows temp

  • 225603 03/30/11 09:03  rakithab       Target: Target GUI and strip charts screen shots

  • 225593 03/30/11 07:28  pqwang         Target: Target GUI and strip charts screenshots at the end of owl shift

    • Tuesday

  • 225545 03/29/11 23:53  jpan           Target: Target GUI and strip charts screenshots at the end of swing shift

  • 225520 03/29/11 21:03  jpan           Target: With full beam current, sometimes the HPH reserved power less than 100 W.

  • 225485 03/29/11 17:21  jpan           Target: Move target from Home=out of beam postion to H2 Cell

  • 225480 03/29/11 17:06  jpan           Target: Move target from H2 cell to Home-out of beam position

  • 225464 03/29/11 12:30  narayan        Target: mid shift screenshot

    • Monday

  • 225427 03/28/11 21:54  jpan           Target: Another vacuum plot

  • 225422 03/28/11 21:25  rakithab       Target: Run 225418 is with LH2 OutOfBeam

  • 225419 03/28/11 21:16  jpan           Target: Target moved from HOME=Out-of-Beam to Hydrogen-Cell position

  • 225414 03/28/11 18:47  jpan           Target: The DS vacuum status -  about 1.4e-5 Torr at this moment

  • 225409 03/28/11 17:44  smithg         Target: Target unparked. DS vacuum continues to improve.

  • 225398 03/28/11 16:50  smithg         Target: Unparking the tgt now to be ready for 150 uA later tonight

  • 225352 03/28/11 10:45  smithg         Target: replaced H2 bottle

  • 225351 03/28/11 10:15  rakithab       Target: Beam dump vacuum alarm during venting.

  • 225346 03/28/11 08:55  rakithab       Target: Target GUI and strip charts screen shots

  • 225340 03/28/11 07:51  pqwang         Target: Target GUI and strip charts screenshots at the end of owl shift

  • 225323 03/28/11 00:14  jpan           Target: Target GUI and strip charts screenshots at the end of swing shift

    • Sunday

  • 225315 03/27/11 12:16  EmmanuelK      Target: Target GUI and strip charts screenshots for Day shift

  • 225314 03/27/11 12:14  EmmanuelK      Target: Pump current alarm - ro error?

  • 225312 03/27/11 07:13  pqwang         Target: Target GUI and strip charts screenshots at the end of owl shift

  • 225307 03/27/11 00:01  jpan           Target: Target GUI and strip charts screenshots

    • Saturday

  • 225290 03/26/11 16:02  EmmanuelK      Target: Scattering Chamber vacuum through Day shift

  • 225285 03/26/11 12:19  EmmanuelK      Target: Day shift screenshots

  • 225283 03/26/11 07:12  rakithab       Target: Target GUI and strip charts screenshots

  • 225282 03/26/11 00:11  rakithab       Target: Target GUI and strip charts screenshots

    • Friday

  • 225280 03/25/11 23:44  jpan           Target: Target GUI and strip charts screenshots at the end of swing shift

  • 225257 03/25/11 07:50  pqwang         Target: Target GUI and strip charts screenshots at the end of owl shift

    • Thursday

  • 225255 03/24/11 23:50  jpan           Target: Target GUI and strip charts screenshots at the end of swing shift

  • 225210 03/24/11 06:53  pqwang         Target: Target GUI and strip charts screenshots at 7 am

    • Wednesday

  • 225208 03/23/11 22:53  rakithab       Target: Target GUI and strip charts screenshots

  • 225193 03/23/11 17:03  covrig         Target: 4K status

  • 225189 03/23/11 16:13  rakithab       Target: Target GUI and strip charts screenshots

  • 225183 03/23/11 14:19  Jiawei         Target: abnormal 4k flow fluctuation again

  • 225171 03/23/11 09:56  Jiawei         Target: 4K flow was unstable, now is back

  • 225168 03/23/11 07:44  pqwang         Target: Target GUI and strip charts screenshots

    • Tuesday

  • 225163 03/22/11 21:52  Page           Target: Operator is still awake :)

  • 225148 03/22/11 16:46  covrig         Target: status

  • 225137 03/22/11 15:48  jpan           Target: The 15K mass flow was decreased further, right now is about 12 g/s and the HPH power is ~350 W

  • 225136 03/22/11 15:08  jpan           Target: Target GUI and strip charts screenshots @ 3:05 pm, pretty quiet so far

  • 225129 03/22/11 11:02  jpan           Target: Adjust the QW_FI_15K low limit a little bit (from 14.00 to 13.50) temporarily, will change it back later

  • 225124 03/22/11 10:02  jpan           Target: The 15 K mass flow drops during last few minutes

  • 225123 03/22/11 09:54  jpan           Target: Cryo called and asked our vacuum status

  • 225118 03/22/11 06:06  pqwang         Target: Target GUI and strip charts screenshots at 6 am

    • Monday

  • 225115 03/21/11 21:23  Page           Target: Screen shots - quiet night so far

  • 225108 03/21/11 17:28  Page           Target: Target 'parked' at 20 g/s of 15K, 16 g/s 4K

  • 225107 03/21/11 17:00  Page           Target: Progress at reducing 15K flow

  • 225101 03/21/11 16:18  Page           Target: Screen shot, start of swing shift

  • 225073 03/21/11 06:49  pqwang         Target: Target GUI and strip charts screenshots at the end of owl shift

    • Sunday

  • 225062 03/20/11 21:46  Page           Target: target screens, 21:45

  • 225058 03/20/11 17:28  Page           Target: scattering chamber vacuum plan for tonight

  • 225057 03/20/11 16:56  Page           Target: Scattering chamber vacuum getting worse

  • 225055 03/20/11 15:14  birchall       Target: Vacuum in scattering chamber and upstream

  • 225054 03/20/11 14:23  birchall       Target: Screenshot at 2:20 pm

  • 225053 03/20/11 07:55  pqwang         Target: Screen shot at end of owl shift

    • Saturday

  • 225024 03/19/11 15:13  jpan           Target: Bad downstream vacuum

  • 224966 03/19/11 09:18  jpan           Target: Vacuum behaviour during last swing shift

  • 224955 03/19/11 07:59  Nuruzzaman     Target: Target GUI and strip charts screen shots, end of OWL shift.

  • 224874 03/19/11 00:22  Nuruzzaman     Target: Target GUI and strip charts screen shots, beginning of OWL shift.

    • Friday

  • 224869 03/18/11 23:36  smithg         Target: recommend closing 16" GV during beam off vacuum excursions

  • 224732 03/18/11 15:49  Jiawei         Target: late entry: moved to LH2 target

  • 224712 03/18/11 12:58  Jiawei         Target: Moved to DS  4% Al target

  • 224661 03/18/11 10:08  Jiawei         Target: silent the raster alarm for moller study

  • 224631 03/18/11 09:06  Jiawei         Target: Target: move out of beam

  • 224592 03/18/11 08:02  Nuruzzaman     Target: Target GUI and strip charts screen shots at end of OWL shift

  • 224550 03/18/11 04:51  Nuruzzaman     Target: Target GUI and strip charts screen shots

  • 224459 03/18/11 00:44  Nuruzzaman     Target: Target GUI and strip charts screen shots

    • Thursday

  • 224356 03/17/11 17:52  buddhini       Target: Late entry, target was moved home to take tune beam.

  • 224346 03/17/11 15:49  AK Opper       Target: Target screen shot

  • 224333 03/17/11 11:19  AK Opper       Target: 4K JT

  • 224314 03/17/11 08:39  AK Opper       Target: Target change

  • 224294 03/17/11 07:29  Nuruzzaman     Target: Target GUI and strip-chart screen shots, end of owl shift.

  • 224225 03/17/11 04:12  Nuruzzaman     Target: Changed the Minor and Major Limits for vacuum 3H09D again.

  • 224211 03/17/11 02:08  Nuruzzaman     Target: Changed the Minor and Major Limits for vacuum 3H09D again.

  • 224199 03/17/11 00:49  Nuruzzaman     Target: Changed the Minor and Major Limits for vacuum 3H09D.

  • 224192 03/17/11 00:16  Nuruzzaman     Target: Target GUI and strip charts screen shots

    • Wednesday

  • 224190 03/16/11 23:43  Armstrong      Target: Move back to lH2; have  about 1950 W 

  • 224184 03/16/11 23:16  Armstrong      Target: move to DS 2% Be target

  • 224171 03/16/11 21:37  Armstrong      Target: set alarm limits on VCG3H09D

  • 224168 03/16/11 21:20  Armstrong      Target: horizontal motion problem; go to DS centering hole

  • 224144 03/16/11 19:58  Armstrong      Target: move to 0.5% DS C target; checked Fan differential Pressure mask

  • 224135 03/16/11 19:35  Armstrong      Target: move to DS centering hole

  • 224121 03/16/11 18:32  Armstrong      Target: screen shot with filled target

  • 224120 03/16/11 18:22  Armstrong      Target: move out of beam

  • 224119 03/16/11 17:31  smithg,lecke   Target: Subcooling now

  • 224107 03/16/11 16:17  smithg,lecke   Target: Evaporator seems to be helping cooldown

  • 224096 03/16/11 14:59  smithg,opper   Target: Cooldown not working

  • 224084 03/16/11 11:13  smithg/opper   Target: cooldown status

  • 224074 03/16/11 09:30  smithg/opper   Target: started cooldown

  • 224069 03/16/11 08:50  Smith, Opper   Target: Beamline valve

  • 224058 03/16/11 07:50  Nuruzzaman     Target: Target GUI and strip charts screen shot at the end of owl shift

  • 224011 03/16/11 03:11  Nuruzzaman     Target: Target GUI and strip charts screen shots

  • 223985 03/16/11 00:20  Nuruzzaman     Target: Target GUI and strip charts screen shots

    • Tuesday

  • 223925 03/15/11 21:34  covrig         Target: reset the h-motion step counter

  • 223914 03/15/11 21:01  buddhini       Target: Moved to DS centering hole

  • 223899 03/15/11 18:04  smithg         Target: FIXED! Waa-hoo! 

  • 223894 03/15/11 16:22  rakithab       Target: Target IOC rebooted

  • 223873 03/15/11 12:01  smithg         Target: The mains IS too high!

  • 223837 03/15/11 07:38  Nuruzzaman     Target: QWT_DSdmB status for OWL shift.

  • 223830 03/15/11 06:25  Nuruzzaman     Target: Target GUI and strip charts screen shots

  • 223816 03/15/11 02:41  Nuruzzaman     Target: QWT_DSdmB status after increase in current.

  • 223808 03/15/11 00:36  smithg         Target: pump controller mains voltage too high

  • 223807 03/15/11 00:34  Nuruzzaman     Target: Target GUI and strip charts screen shots

    • Monday

  • 223799 03/14/11 23:39  rakithab       Target: Moved to DS  4% Al target

  • 223795 03/14/11 22:25  rakithab       Target: Target IOC rebooted then power cycled

  • 223793 03/14/11 22:24  smacewan       Target: reset target ioc and cycled power

  • 223784 03/14/11 22:04  smithg         Target: Pump won't restart

  • 223774 03/14/11 21:22  smithg         Target: Refilled loop. Reset valves. Can't restart pump.

  • 223753 03/14/11 20:07  smithg         Target: Evacuated target cell. Turned off pump & HPH. Moved to "LH2"=MT cell.

  • 223734 03/14/11 18:44  smithg         Target: moved to 1/2% C tgt

  • 223733 03/14/11 18:42  smithg         Target: Moved to DS centering hole

  • 223725 03/14/11 18:13  smithg         Target: Action plan for running with cell evacuated

  • 223720 03/14/11 17:53  smithg,covri   Target: Striptools for 18.1 psia, 68 K dilution msrmnt

  • 223705 03/14/11 16:45  covrig, smit   Target: half pressure target loop

  • 223684 03/14/11 14:48  smithg         Target: Restrict 15K JT changes to < 1%/min

  • 223682 03/14/11 14:42  smithg,opper   Target: Target Screenshots & Status

  • 223674 03/14/11 13:23  smithg,opper   Target: target status

  • 223670 03/14/11 13:02  smithg,opper   Target: liquid has boiled away

  • 223663 03/14/11 11:51  smithg,opper   Target: warmup continuing but slowly

  • 223650 03/14/11 10:43  smithg,opper   Target: Deliberate warmup for dilution msrmnts

  • 223642 03/14/11 08:59  AK Opper       Target: target change

  • 223628 03/14/11 08:01  Adesh and Al   Target: screens shot

  • 223627 03/14/11 08:00  AK Opper       Target: target change

  • 223610 03/14/11 06:17  Adesh          Target: Moved to Optics 12345 target

  • 223606 03/14/11 05:51  Adesh          Target: Moved to Optics 1235 target

  • 223604 03/14/11 05:26  Adesh          Target: Moved to Optics 15 target

  • 223601 03/14/11 05:00  Adesh          Target: Moved to Optics 3 target

  • 223598 03/14/11 04:32  Adesh          Target: Moved to Optics 135 target

  • 223595 03/14/11 04:04  Adesh          Target: Moved to US key target

  • 223575 03/14/11 02:52  Adesh          Target: Moved to Optics 135 target

  • 223569 03/14/11 02:20  Adesh          Target: Moved to US key target

  • 223566 03/14/11 01:52  Adesh          Target: Moved to DS 4% Al target

  • 223562 03/14/11 01:12  Adesh          Target: Moved to US 1% Al target

  • 223550 03/14/11 00:03  Jiawei         Target: End of swing shift screenshot

    • Sunday

  • 223446 03/13/11 15:55  narayan        Target: End of day shift screenshot

  • 223393 03/13/11 12:17  narayan        Target: pump alarm and its limits 

  • 223358 03/13/11 10:11  narayan        Target: recurring "vmec18 unresponsive" message

  • 223349 03/13/11 09:23  narayan        Target: "vmec18 unresponsive" message

  • 223338 03/13/11 08:19  Adesh          Target: screenshot at the end of owl shift

  • 223302 03/13/11 05:22  Adesh          Target: target computer rebooted itself

  • 223261 03/13/11 00:00  Page           Target: Noisy pump frequency readback - increased hi limit to 42 from 40 Hz

    • Saturday

  • 223249 03/12/11 22:39  Page           Target: LH2 moved in, etc.

  • 223222 03/12/11 21:00  Page           Target: White alarms, due to VME15 reboot

  • 223219 03/12/11 20:42  Page           Target: Pump frequency readback got noiser when target moved to HOME

  • 223217 03/12/11 20:37  Page           Target: Raised yellow alarm for QWT_phytron A by 1 K - temporary

  • 223215 03/12/11 20:32  Page           Target: Moved LH2 out of beam - note Ypot value drifting

  • 223173 03/12/11 17:27  Page           Target: Screenshot, 10 nA tracking run in progress

  • 223118 03/12/11 13:18  smithg         Target: EV6814 was also closed a little

  • 223110 03/12/11 12:43  smithg         Target: Quenched the irksome flow oscillations!

  • 223105 03/12/11 12:29  rakithab       Target: Less cryo and temperature oscillations

  • 223095 03/12/11 12:12  rakithab       Target: Moved to LH2 target

  • 223077 03/12/11 09:52  rakithab       Target: Moved target to Out Of Beam position - HOME

  • 223043 03/12/11 08:09  Adesh          Target: Target GUI and strip charts screenshot at the end of owl shift

  • 222957 03/12/11 05:06  Adesh          Target: Moved to DS  8% Al target

  • 222947 03/12/11 04:31  Adesh          Target: Moved to US  4% Al target

  • 222943 03/12/11 04:16  Adesh          Target: Moved to US pure  Al target

  • 222937 03/12/11 03:49  Adesh          Target: Moved to US 1% Al target

  • 222931 03/12/11 03:32  Adesh          Target: Moved to US 4% Al target

  • 222925 03/12/11 03:22  Adesh          Target: Moved to DS 8% Al target, 4K mass flow & 4K Inlet temperature readout have white screen

  • 222918 03/12/11 02:51  Adesh          Target: Moved to DS 4% Al target

  • 222914 03/12/11 02:43  Adesh          Target: late entry Moved to DS 8% Al target

  • 222899 03/12/11 01:47  Adesh          Target: Moved to US 2% Al target

  • 222893 03/12/11 01:14  Adesh          Target: Moved to DS 4% Al target

  • 222871 03/12/11 00:21  Adesh          Target: moved to 8% DS Al tgt

    • Friday

  • 222864 03/11/11 23:25  Page           Target: Moved to US centering target

  • 222860 03/11/11 23:05  Page           Target: moved to DS centering target

  • 222859 03/11/11 23:03  Page           Target: Target 'parked' (sort of)

  • 222851 03/11/11 21:39  smithg         Target: mea culpa

  • 222848 03/11/11 20:40  Page           Target: Pump head back, sort of ...

  • 222846 03/11/11 20:15  Page           Target: Target is NOT ok ....

  • 222837 03/11/11 18:39  smithg         Target: vacuum looking just fabulous!

  • 222836 03/11/11 18:30  smithg         Target: We have liquid. 

  • 222825 03/11/11 17:45  smithg         Target: condensing at a nice clip

  • 222821 03/11/11 16:58  smithg         Target: started condensing

  • 222784 03/11/11 14:38  smithg         Target: IV status

  • 222770 03/11/11 11:18  covrig         Target: started opening the 4K JT

  • 222755 03/11/11 09:26  Jiawei         Target: start to open the 15K JT valve to cool down the target

  • 222752 03/11/11 09:01  smithg,Jiawe   Target: started cooldown

    • Thursday

  • 222730 03/10/11 17:13  smithg         Target: pumped/purged H2 bollte line after sample was drawn

    • Wednesday

  • 222554 03/09/11 16:44  covrig         Target: closed 4K JT valve

    • Tuesday

    

    Monday
    

  • 222401 03/07/11 18:11  smithg         Target: tgt was moved in, then out to home again

  • 222343 03/07/11 12:53  smithg         Target: closed mv41

    • 

    Sunday
    

    

    Saturday
    

    

    Friday
    

    

    Thursday
    

    

    Wednesday
    

  • 222184 03/02/11 15:50  leacock        Target: opened 4K JT valve from 0% to 100%

    • 

    Tuesday