Difference between revisions of "Engineering Run"
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<!-- # <b> While MCC degausses the tagger magnet, verify that chicane is ON</b> | <!-- # <b> While MCC degausses the tagger magnet, verify that chicane is ON</b> | ||
#* If not, turn it on. Strictly follow the procedure in the beam line manual!--> | #* If not, turn it on. Strictly follow the procedure in the beam line manual!--> | ||
| − | # ''' Send beam to the Faraday cup ''' | + | <!--# ''' Send beam to the Faraday cup ''' |
#* If the beam optics is correct, then you should immediately see the beam spot on the Downstream Viewer | #* If the beam optics is correct, then you should immediately see the beam spot on the Downstream Viewer | ||
#* If you don't see it immediately, and rates on halo counters are more than 100 Khz, then ask MCC, to change to pulsed (tune mode) beam, and ask to put corrector values. At this point don't accept any CW beam, until beam spot is visible on Downstream Viewer. | #* If you don't see it immediately, and rates on halo counters are more than 100 Khz, then ask MCC, to change to pulsed (tune mode) beam, and ask to put corrector values. At this point don't accept any CW beam, until beam spot is visible on Downstream Viewer. | ||
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#*# The tagger counters should count less than Hz/nA and downstream counters should count ~Hz/nA, | #*# The tagger counters should count less than Hz/nA and downstream counters should count ~Hz/nA, | ||
#*# Midstream counters few Hz/nA | #*# Midstream counters few Hz/nA | ||
| − | #* Once all the above is achieved, turn first CLAS12 ECal HV '''ON''' and monitor and log ECal rates before bringing rest of the detector UP | + | #* Once all the above is achieved, turn first CLAS12 ECal HV '''ON''' and monitor and log ECal rates before bringing rest of the detector UP--> |
<!-- === Setting up the FSD threshold === | <!-- === Setting up the FSD threshold === | ||
Revision as of 11:49, 1 December 2017
[edit]
Shift ScheduleShift ChecklistHot CheckoutBeam Time Accounting |
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, Fall 2017
Beam energy 10.6 GeV (5 pass)
Important: Document all your work in the logbook!
RC: Raffaella DeVita
- (757) 575-7540
- 9 575 7540 from Counting Room
- devita@jlab.org
PDL: Eugene Pasyuk
- (757) 876-1789
- 9 876-1789 from Counting Room
- pasyuk@jlab.org
Run Plan:
Plan:Important Notes:
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General Instructions:Locking up the hall
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