Difference between revisions of "Engineering Run"
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* <s>Adjust DC R2 to HV setting #10, -45 mV threshold</s> | * <s>Adjust DC R2 to HV setting #10, -45 mV threshold</s> | ||
* Perform steering optimization of the beam and perform a set of harp scans (2C21, 2C24, 2H01) | * Perform steering optimization of the beam and perform a set of harp scans (2C21, 2C24, 2H01) | ||
− | * Reduce the DC time windows to their nominal values (R1: 250 ns, R2: 500 ns, R3: 750 ns) | + | * <s>Reduce the DC time windows to their nominal values (R1: 250 ns, R2: 500 ns, R3: 750 ns)</s> |
* Complete a scan of beam currents at 10 nA, 20 nA, 30 nA, 40 nA, 50 nA, 60 nA, 70 nA. At each setting record rates in all detectors and currents in DC, SVT, and MM. | * Complete a scan of beam currents at 10 nA, 20 nA, 30 nA, 40 nA, 50 nA, 60 nA, 70 nA. At each setting record rates in all detectors and currents in DC, SVT, and MM. | ||
Take 15 min of data at each setting. Enter DC occupancies from mon12 in the logbook. | Take 15 min of data at each setting. Enter DC occupancies from mon12 in the logbook. |
Revision as of 18:59, 16 December 2017
[edit]
Shift ScheduleShift ChecklistHot CheckoutBeam Time Accounting |
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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.
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CLAS12 Engineering Run, Fall 2017
Beam energy 10.6 GeV (5 pass)
Torus : +3200 A (85% field), Solenoid: 2416 A (100% field), full target;
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: Daniel S. Carman
- (757) 575-7540
- 9 575 7540 from Counting Room
- carman@jlab.org
PDL: Eugene Pasyuk
- (757) 876-1789
- 9 876-1789 from Counting Room
- pasyuk@jlab.org
Run Plan:
Take 15 min of data at each setting. Enter DC occupancies from mon12 in the logbook.
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General Instructions:
Beam Tuning:
When ready to get beam, Turn all beamline devices ON, turn all CLAS12 detectors OFF (including SVT)
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Every Shift:
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Every Run:
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