Run plan
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Commissioning
Beam checkout
Detailed beam checkout instructions can be found here.
| HMS | SHMS | TARGET | RADIATOR | I (uA) | RASTER | DURATION | Q (C) | TRIGGER | DAQ | STATUS | |||||
| P | P | ||||||||||||||
| Harp Scan | Empty | out | 5 | OFF | 0:15 | done | |||||||||
| YAG: Beam spot | Empty | out | tune | OFF | 0:05 | done | |||||||||
| YAG: Raster check | Empty | out | tune | 2x2 | 0:10 | done | |||||||||
| Carbon hole | 4.712 | 17.08 | (-) | 5.389 | 15.81 | (-) | C-hole | out | 5 | 3x3 | 0:30 | 3/4 | sep. | done | |
Detector checkout and calibrations
Additional instructions:
- We run both the COIN and separate DAQs during this phase!
- Inelastic measurement:
- Take 5min of MODE 10 data before starting the the inelastic measurement, then switch back to MODE 9.
- Coinc elastic:
- Take 5min of MODE 10 data before starting the the inelastic measurement, then switch back to MODE 9.
- Take pre-scaled 3/4 singles in both arms, set pre-scalers so the singles rate is <100Hz
- This run needs a special temporary trigger that will be connected to PS5
- Make sure sure PS5 = 0
| HMS | SHMS | TARGET | RADIATOR | I (uA) | RASTER | DURATION | Q (C) | TRIGGER | DAQ | STATUS | |||||
| P | THETA | P | THETA | ||||||||||||
| Trigger checkout | 4.712 | 17.08 | (-) | 5.389 | 15.81 | (-) | LH2 | out | 70 | 2x2 | 0:15 | 3/4 | COIN | done | |
| PID checkout | 4.712 | 17.08 | (-) | 5.389 | 15.81 | (-) | LH2 | out | 70 | 2x2 | 0:15 | 3/4 | COIN | done | |
| PID checkout | 3.5 | 21 | (-) | 3.5 | 21 | (-) | LH2 | out | 70 | 2x2 | 0:15 | 3/4 | COIN | skip | |
| ECAL calibration | 4.75 | 21 | (-) | 4.75 | 21 | (-) | LH2 | out | 70 | 2x2 | 0:15 | 3/4 | COIN | done | |
| inelastic/ECAL calib | 4.1 | 21 | (-) | 3.5 | 25 | (-) | LH2 | out | 70 | 2x2 | ELREAL | sep. | done | ||
| inelastic | 4.1 | 21 | (-) | 3.5 | 25 | (-) | Dummy | out | 40 | 2x2 | ELREAL | sep. | done | ||
| optics (SIEVE) | 4.1 | 21 | (-) | 3.5 | 25 | (-) | Optics-1 | out | 65 | 2x2 | ELREAL | sep. | done | ||
Unscheduled single-arm Run Plan
COMPLETED
Replaces original radiator and production trigger checkout. Click here for the single-arm SHMS run plan
Coincidence elastics
- * Trigger:
- run with ps6=0
- Remember to click "save" when changing the pre-scalers!
- J/psi-007 Instructions for Shift Takers
- Do a 50k replay for every run. Carefully check the monitoring plots and discuss anything that looks strange with the analysis shift crew.
- Fill out the Shift check list once every shift
| HMS | SHMS | TARGET | RADIATOR | I (uA) | RASTER | DURATION | Q (C) | TRIGGER | DAQ | STATUS | |||||
| P | THETA | P | THETA | ||||||||||||
| coinc elastic | 4.95 | 25.6 | (+) | 6.5 | 19.2 | (-) | LH2 | out | 70 | 2x2 | 0:40 | 0.17 | 3/4 coin | COIN | done |
| coinc elastic | 4.95 | 25.6 | (+) | 6.5 | 19.2 | (-) | Dummy | out | 40 | 2x2 | 0:15 | 0.04 | 3/4 coin | COIN | done |
| TIME (days) | 0.04 | ||||||||||||||
| Charge(mC) | 204 |
