Difference between revisions of "Engineering Run"
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===[https://accweb.acc.jlab.org/hco/readiness Hot Checkout]=== | ===[https://accweb.acc.jlab.org/hco/readiness Hot Checkout]=== | ||
===[https://bta Beam Time Accounting]=== | ===[https://bta Beam Time Accounting]=== | ||
+ | ===[https://www.jlab.org/Hall-B/run-web/comm/ESAD_HallB-CLAS12_rgA.pdf ESAD], [https://www.jlab.org/Hall-B/run-web/comm/COO_HallB-CLAS12_rgA.pdf COO], [https://www.jlab.org/Hall-B/run-web/comm/RSAD_HallB-CLAS12_rgA.pdf RSAD], [https://www.jlab.org/div_dept/train/SAF111/Hall%20B%20worker%20Safety%20Training%20%28SAF111%29%20%2008%2001-12-1.pdf ERG] === | ||
<!-- ===[https://clasweb.jlab.org/wiki/index.php/CLAS12_OPS_Doc#CLAS12_Operations_Documentation Operations Documentation]=== --> | <!-- ===[https://clasweb.jlab.org/wiki/index.php/CLAS12_OPS_Doc#CLAS12_Operations_Documentation Operations Documentation]=== --> | ||
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* [https://wiki.jlab.org/clas12-run/images/d/d2/Ltcc_manual.pdf LTCC] | * [https://wiki.jlab.org/clas12-run/images/d/d2/Ltcc_manual.pdf LTCC] | ||
* [https://clasweb.jlab.org/wiki/images/f/f1/HTCC_MANUAL.pdf HTCC] | * [https://clasweb.jlab.org/wiki/images/f/f1/HTCC_MANUAL.pdf HTCC] | ||
− | * [https://clasweb.jlab.org/wiki/images/e/ea/RICH_Manual.pdf | + | * RICH: [https://clasweb.jlab.org/wiki/images/e/ea/RICH_Manual.pdf expert] [https://wiki.jlab.org/clas12-run/images/d/d9/RICH_Controls_mc.pdf novice] |
* [https://clasweb.jlab.org/wiki/images/0/0f/Ctof_manual.pdf CTOF] | * [https://clasweb.jlab.org/wiki/images/0/0f/Ctof_manual.pdf CTOF] | ||
* [https://clasweb.jlab.org/wiki/images/9/97/Ops_manual_cnd.pdf CND] | * [https://clasweb.jlab.org/wiki/images/9/97/Ops_manual_cnd.pdf CND] | ||
* [https://clasweb.jlab.org/wiki/images/9/96/Svt_operation_manual_v1_1.pdf SVT] | * [https://clasweb.jlab.org/wiki/images/9/96/Svt_operation_manual_v1_1.pdf SVT] | ||
* [https://clasweb.jlab.org/wiki/images/a/ad/Documentation_Shifters_MVT.pdf MVT] | * [https://clasweb.jlab.org/wiki/images/a/ad/Documentation_Shifters_MVT.pdf MVT] | ||
− | ** [https://wiki.jlab.org/clas12-run/images/b/bf/MVT_for_Dummies.pdf MVT turn-on procedure] | + | <!--===** [https://wiki.jlab.org/clas12-run/images/b/bf/MVT_for_Dummies.pdf MVT turn-on procedure]===--> |
+ | ** [https://wiki.jlab.org/clas12-run/images/2/2d/MVT_for_Dummies_noFMT.pdf MVT turn on procedure] | ||
* [https://clasweb.jlab.org/wiki/images/3/3b/FT-Manual.pdf FT] | * [https://clasweb.jlab.org/wiki/images/3/3b/FT-Manual.pdf FT] | ||
* [https://clasweb.jlab.org/wiki/images/4/4d/Beamline_manual.pdf Beamline] | * [https://clasweb.jlab.org/wiki/images/4/4d/Beamline_manual.pdf Beamline] | ||
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<!--####################################### SHORT TERM ################################################--> | <!--####################################### SHORT TERM ################################################--> | ||
<center><font color=blue size=4> | <center><font color=blue size=4> | ||
− | ''' CLAS12 Engineering Run, | + | ''' CLAS12 Engineering Run, Winter 2018 </font> '''<br> |
''' Beam energy 10.6 GeV (5 pass) '''<br> | ''' Beam energy 10.6 GeV (5 pass) '''<br> | ||
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''' Important: Document all your work in the logbook! '''<br> | ''' Important: Document all your work in the logbook! '''<br> | ||
− | + | ''' Remember to fill in the [https://docs.google.com/spreadsheets/d/1frfBlq51qDXZD6fW5rcRefNXSGdVvdMozKUlAVNoUGc/edit?usp=sharing run list] at the beginning and end of each run (clas12run@gmail.com can fill the run list)'''<br> | |
</center> | </center> | ||
− | == RC: | + | == RC: Silvia Niccolai == |
− | * (757) 575-7540 | + | * (757) 575-7540 |
* 9 575 7540 from Counting Room | * 9 575 7540 from Counting Room | ||
− | * | + | * silvia@jlab.org |
− | == PDL: | + | == PDL: Maurizio Ungaro == |
* (757) 876-1789 | * (757) 876-1789 | ||
* 9 876-1789 from Counting Room | * 9 876-1789 from Counting Room | ||
− | * | + | * ungaro@jlab.org |
+ | |||
+ | <br> | ||
+ | |||
+ | * Note 1: Be very mindful of the background rates in the halo counters, rates in the detectors, and currents in the SVT for all settings to ensure that they are at safe levels. | ||
+ | |||
+ | * Note 2: At the end of each run, follow the DAQ restart sequence "end run", "abort", "reset", "download", "prestart", "go". After DAQ prestart is complete reboot the scaler IOCs with the command: iocjscalerRestartAll.sh. Note: After each step, make sure it is complete in the Run Control message window. If a roc has crashed, find which one it is and issue a roc_reboot command and try again. Contact the DAQ expert if there are any questions. | ||
+ | |||
+ | * Note 3: Nominal beam positions: '''2C21 (X=0.0 mm, Y=0.0 mm), 2C24 (X=0.0 mm, Y=0.7 mm), 2H01 (X=0.3 mm, Y=-0.6 mm)''' | ||
+ | |||
+ | * Note 4: With beam to the Faraday Cup, typical rates pn all halo counters upstream from the target should be either 0 or of the order of few counts. Count rates in the range of tens or more may indicate bad beam tune or bleed-through from other Halls. | ||
{| {{TableStyle1}} | {| {{TableStyle1}} | ||
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== <font color=blue>''' Run Plan:'''</font>== | == <font color=blue>''' Run Plan:'''</font>== | ||
− | + | ''(last update 2/4 - 14:30)'' | |
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− | + | All studies will take data at 100% torus field (negatives inbending) and 100% solenoid field (positive polarity on supply). The beam position should be as indicated above. Make sure FSD thresholds are set correctly for whatever current is selected (refer to instructions in the "Establish-physics quality beam" procedure at [https://wiki.jlab.org/clas12-run/images/e/e3/Estab_beam.pdf]), integration time is set to 5 ms, and that the orbit locks are on. | |
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− | + | <!-- * Prepare for beam tuning to the tagger yoke: SVT (contact expert to do it), MVT, CND, CTOF, FTT, HTCC, DC, FTOF should be off, tagger magnet should be on. Follow the instructions in the "Establish-physics quality beam" procedure at [https://wiki.jlab.org/clas12-run/images/e/e3/Estab_beam.pdf]. Compare harp scan to the ones performed on 1/25 swing shift (https://logbooks.jlab.org/entry/3520873 and https://logbooks.jlab.org/entry/3520881). Consult with the beamline expert in case of issues. --> | |
+ | <!--* If beam profiles at the tagger are acceptable, move to beam tuning to the Faraday Cup. Again, refer to the instructions in the "Establish-physics quality beam" procedure at [https://wiki.jlab.org/clas12-run/images/e/e3/Estab_beam.pdf]. Compare harp scan with the one from 1/25 swing shift (https://logbooks.jlab.org/entry/3520947). --> | ||
+ | <!--* Once beam to Faraday Cup is established, prepare to start data taking. Switch on all detectors; contact expert to switch on SVT. Start trigger studies following instructions from the DAQ expert. --> | ||
+ | * Take 2 hour data runs with PROD/elec_htcc_1phe_pcal_300.trg at 30 nA with the following DC HV and thresholds: | ||
+ | ** R1: #9/-45 mV, R2: #10/-65 mV, R3: #10/-60 mV | ||
+ | ** R1: #8/-30 mV, R2: #10/-65 mV, R3: #9/-45 mV | ||
+ | ** R1: #8/-30 mV, R2: #9/-45 mV, R3: #9/-45 mV | ||
+ | * Take data at 35 nA with PROD/elec_htcc_1phe_pcal_300.trg until morning; runs should be 2 hrs in length. Use R1: #8/-30 mV, R2: #9/-45 mV, R3: #9/-45 mV | ||
− | * | + | * Hall B work for Monday: |
− | * | + | ** Ramp down solenoid (torus can stay up) (RC) |
− | * | + | ** Empty the hydrogen target (Hall B Engineering) |
− | * | + | ** Complete shielding addition outside scattering chamber (Hall B Engineering) |
− | * | + | ** Restore beamline (Hall B Engineering) |
− | + | ** Replace FT-Hode mezzanine board (N. Zachar) | |
− | * | + | ** Work on DC cable swaps (M. Cook + M. Mestayer) |
+ | ** Work on vacuum gauge (D. Anderson) | ||
+ | ** Investigate polarity of busy signal (S. Boyarinov) | ||
+ | ** Setup gated/ungated scalers and clock scalers (S. Boyarinov) | ||
+ | ** SAF111 walkthrough (E. Pasyuk) | ||
+ | ** Pass change (5-pass to 3-pass) | ||
− | == <font color=blue>''' Beam Tuning:'''</font>== | + | <!-- == <font color=blue>''' Beam Tuning:'''</font>== |
− | * Whenever preparing to receive beam, make sure the following conditions are established: all CLAS12 detectors are off and target is empty. Turn DC HV off, leaving LV on. For SVT, MVT, FTH and FTT, first turn HV off and then LV off. For any problem, consult with the expert-on-call. | + | * <b>Whenever preparing to receive beam, make sure the following conditions are established: all CLAS12 detectors are off and target is empty. Turn DC HV off, leaving LV on. For SVT, MVT, FTH and FTT, first turn HV off and then LV off. For any problem, consult with the expert-on-call.</b> |
* Establish beam to the tagger yoke first: | * Establish beam to the tagger yoke first: | ||
*# ask MCC to energize the tagger dipole magnet and set the current as needed for dumping the beam in the designated dump on the tagger yoke. MCC will ask you to change (set) the beam delivery mode. | *# ask MCC to energize the tagger dipole magnet and set the current as needed for dumping the beam in the designated dump on the tagger yoke. MCC will ask you to change (set) the beam delivery mode. | ||
− | *# position the | + | *# position the "blank" collimator on the beam (this is a collimator block, 30 cm long Ni cylinder, without a hole) |
*# when the tagger magnet is at required setting ask MCC if they are ready to deliver beam to the tagger yoke dump (<=5 nA). It may take ~1 hour for MCC to setup and cleanly transport beam to the tagger yoke dump. | *# when the tagger magnet is at required setting ask MCC if they are ready to deliver beam to the tagger yoke dump (<=5 nA). It may take ~1 hour for MCC to setup and cleanly transport beam to the tagger yoke dump. | ||
− | *# perform harp scans using the wire harp at 2C21 girder and | + | *# perform harp scans using the wire harp at 2C21 girder and 2C24 (tagger harp). Beam profile, peak position, width and signal/background ratio should be like in https://logbooks.jlab.org/entry/3507602 and https://logbooks.jlab.org/entry/3507605. Ask MCC to retune if needed (e.g. beam is too wide or asymmetric or has large tails),repeat the scan after every tune. Iterate to get acceptable beam profile. |
− | * | + | * Send the beam to Faraday Cup dump: |
*# CLAS12 detectors should be OFF, the solenoid magnet current is at 50% its max, torus is at 100%. | *# CLAS12 detectors should be OFF, the solenoid magnet current is at 50% its max, torus is at 100%. | ||
*# ask MCC to degauss and turn the tagger dipole off; while the magnet is being degaussed call the beamline expert (S. Stepanyan) to inform him, you are starting the procedure to send the beam to the Faraday Cup; | *# ask MCC to degauss and turn the tagger dipole off; while the magnet is being degaussed call the beamline expert (S. Stepanyan) to inform him, you are starting the procedure to send the beam to the Faraday Cup; | ||
− | *# position 20 mm collimator on the beam and move | + | *# position 20 mm collimator on the beam and move "Chromax" screen of the downstream viewer in beam position (if it is not already) |
*# move the beam blocker out: in this configuration beam current readings at 2C24, 2H01 and Faraday Cup should be close. | *# move the beam blocker out: in this configuration beam current readings at 2C24, 2H01 and Faraday Cup should be close. | ||
*# ask for <= 1 nA, positions, quads settings and rates should be as in https://logbooks.jlab.org/entry/3502404; pay particular attention to halo counter rates: if very different from what shown in the link, call MCC and ask them to verify their settings; note that BOM gains were lowered today and rates should be lower (see https://logbooks.jlab.org/entry/3502559). | *# ask for <= 1 nA, positions, quads settings and rates should be as in https://logbooks.jlab.org/entry/3502404; pay particular attention to halo counter rates: if very different from what shown in the link, call MCC and ask them to verify their settings; note that BOM gains were lowered today and rates should be lower (see https://logbooks.jlab.org/entry/3502559). | ||
− | *# make sure beam is stable, beam spot is clearly visible on the | + | *# make sure beam is stable, beam spot is clearly visible on the Chromax viewer and current does not exceed 1 nA; |
− | *# repeat harp scans at | + | *# repeat harp scans at 2C21, 2C24 (tagger harp) and 2H01: the profile for 2H01 should be as in https://logbooks.jlab.org/entry/3507626. Make sure you select the proper PMT for the analysis. The profile at 2C21 and 2C24 should be as in the scans performed with beam to the tagger magnet yoke dump. If necessary ask MCC to adjust the beam profile at 2H01 to match the previous scan. |
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− | + | When ready to get beam, turn all beamline devices ON, turn all CLAS12 detectors OFF | |
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− | + | | valign=top | | |
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+ | ==<font color=blue>''' General Instructions''':</font>== | ||
− | + | * For a given beam current, compute the FSD thresholds according to the [https://wiki.jlab.org/clas12-run/images/e/e3/Estab_beam.pdf Establish Physics Quality Beam] document. Call MCC to update the values. Contact the beamline expert if there are questions about setting the FSD thresholds. | |
− | + | * The main lights in the Hall (dome lights) and the Forward Carriage lights are being kept off because of light leaks affecting some of the detectors. If these lights are switched on during an access, they should be switched off when leaving the Hall. Note that the dome lights when switched off cannot be turned back on immediately because they require 10-15 min to cooldown. | |
+ | * Do not run more than 60 minutes above 30 nA with 5-pass beam without the beam blocker in front of Faraday cup. Put beam blocker in for long running at high currents for 5 pass operations. | ||
+ | * Turn DC HV off only for beam tuning; if no beam is available or when beam is stable, keep them on even if you are not taking data. | ||
+ | * In case of loss of communication with IOCBTARG, follow instructions at https://logbooks.jlab.org/entry/3502218 | ||
+ | * With any issue contact On-Call Experts or RC - do not spend more than 15-20 min trying to fix the problem. | ||
+ | * All jscaler iocs (iocjscalerX) on the health screen (under DAQ tab) must be restarted after every DAQ prestart is completed. | ||
+ | * Check that no unecessary beamline-related screens are open. This includes particularly the big beamline overview screen, but also and any motor/harp/collimator screens, and ioc health screens. | ||
==Every Shift:== | ==Every Shift:== | ||
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#* Fill and submit the [https://logbooks.jlab.org/checklists/151 shift checklist in the logbook] | #* Fill and submit the [https://logbooks.jlab.org/checklists/151 shift checklist in the logbook] | ||
# Perform 2H01A harp scan once per shift or when beam conditions have changed, based on beam monitors (BPMs, halo rates, beam-viewer). During harp scans the HV for DC and HTCC should be OFF. | # Perform 2H01A harp scan once per shift or when beam conditions have changed, based on beam monitors (BPMs, halo rates, beam-viewer). During harp scans the HV for DC and HTCC should be OFF. | ||
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==Every Run:== | ==Every Run:== | ||
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|} | |} | ||
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= Monitoring = | = Monitoring = | ||
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| valign=top | | | valign=top | | ||
===Webcams=== | ===Webcams=== | ||
− | * [http:// | + | * [http://hallbcam07.jlab.org Faraday Cup Beam Viewer] |
* [http://cctv1.jlab.org Tagger Beam Dump Viewer] | * [http://cctv1.jlab.org Tagger Beam Dump Viewer] | ||
* [http://cctv12.jlab.org CND CAMAC Crate] | * [http://cctv12.jlab.org CND CAMAC Crate] | ||
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===Hall-B=== | ===Hall-B=== | ||
* [https://clasweb.jlab.org/wiki/index.php/CLAS12_OPS_Doc Operation Safety Procedures] | * [https://clasweb.jlab.org/wiki/index.php/CLAS12_OPS_Doc Operation Safety Procedures] | ||
− | * [https://clasweb.jlab.org/wiki/index.php/Engineering_Run_Analysis | + | * [https://wiki.jlab.org/clas12-run/index.php/Run_Group_A Run Group A Wiki] |
+ | * [https://clasweb.jlab.org/wiki/index.php/Run_Group_A Run Group A Analysis Wiki] | ||
+ | * [https://clasweb.jlab.org/wiki/index.php/Engineering_Run_Analysis Engineering Run Analysis Wiki] | ||
+ | * [http://clasweb.jlab.org/rcdb RCDB] | ||
| valign=top | | | valign=top | | ||
===Accelerator=== | ===Accelerator=== | ||
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* [http://opweb.acc.jlab.org/CSUEApps/bta03/pd_shiftplan_history.php Program Deputy Shift Plans] | * [http://opweb.acc.jlab.org/CSUEApps/bta03/pd_shiftplan_history.php Program Deputy Shift Plans] | ||
* [http://opweb.acc.jlab.org/internal/ops/ops_webpage/run_coord/runcoord_form.php?action=main Run Coordinator Reports] | * [http://opweb.acc.jlab.org/internal/ops/ops_webpage/run_coord/runcoord_form.php?action=main Run Coordinator Reports] | ||
+ | | valign=top | | ||
+ | ===Bluejean meetings=== | ||
+ | * [https://bluejeans.com/502085879 Daily analysis meeting] 502085879 | ||
+ | * [https://bluejeans.com/502085879 Daily Run meeting] 502085879 | ||
+ | * [https://bluejeans.com/7572697303 RGA Wed meeting] 7572697303 | ||
|} | |} | ||
Latest revision as of 13:45, 25 July 2024
Shift ScheduleShift ChecklistHot CheckoutBeam Time AccountingESAD, COO, RSAD, ERG |
Manuals |
Procedures |
JLab Logbooks
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- Note, all non-JLab numbers must be dialed with an area code. When calling from a counting-house landline, dial "9" first.
- To call JLab phones from outside the lab, all 4-digit numbers must be preceded by 757-269
- Click Here to edit Phone Numbers. Note, you then also have to edit the current page to force a refresh.
Click Here to edit Phone Numbers. Note, you then also have to edit this page to force a refresh.
CLAS12 Engineering Run, Winter 2018
Beam energy 10.6 GeV (5 pass)
Important: Document all your work in the logbook!
Remember to fill in the run list at the beginning and end of each run (clas12run@gmail.com can fill the run list)
RC: Silvia Niccolai
- (757) 575-7540
- 9 575 7540 from Counting Room
- silvia@jlab.org
PDL: Maurizio Ungaro
- (757) 876-1789
- 9 876-1789 from Counting Room
- ungaro@jlab.org
- Note 1: Be very mindful of the background rates in the halo counters, rates in the detectors, and currents in the SVT for all settings to ensure that they are at safe levels.
- Note 2: At the end of each run, follow the DAQ restart sequence "end run", "abort", "reset", "download", "prestart", "go". After DAQ prestart is complete reboot the scaler IOCs with the command: iocjscalerRestartAll.sh. Note: After each step, make sure it is complete in the Run Control message window. If a roc has crashed, find which one it is and issue a roc_reboot command and try again. Contact the DAQ expert if there are any questions.
- Note 3: Nominal beam positions: 2C21 (X=0.0 mm, Y=0.0 mm), 2C24 (X=0.0 mm, Y=0.7 mm), 2H01 (X=0.3 mm, Y=-0.6 mm)
- Note 4: With beam to the Faraday Cup, typical rates pn all halo counters upstream from the target should be either 0 or of the order of few counts. Count rates in the range of tens or more may indicate bad beam tune or bleed-through from other Halls.
Run Plan:(last update 2/4 - 14:30) All studies will take data at 100% torus field (negatives inbending) and 100% solenoid field (positive polarity on supply). The beam position should be as indicated above. Make sure FSD thresholds are set correctly for whatever current is selected (refer to instructions in the "Establish-physics quality beam" procedure at [1]), integration time is set to 5 ms, and that the orbit locks are on.
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General Instructions:
Every Shift:
Every Run:
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Webcams |
Manuals |
Epics on the web
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Hall-B |
Accelerator |
Bluejean meetings
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