Hall A Experiment #: e01015
03/27/05 1600-2400
Shift Leader: B. Sawatzky
Shift Workers: K. Wang
1600 | 1700 | 1800 | 1900 | 2000 | 2100 | 2200 | 2300 | Total Time | |
---|---|---|---|---|---|---|---|---|---|
Acceptable Beam in Use | 0.83 | 0.85 | 0.49 | 0.00 | 0.78 | 0.95 | 0.91 | 0.89 | 5.70 |
Beam Available but Not in Use | 0.00 | 0.00 | 0.33 | 0.58 | 0.00 | 0.00 | 0.00 | 0.00 | 0.92 |
Beam Not Available or Unacceptable | 0.17 | 0.15 | 0.17 | 0.42 | 0.22 | 0.05 | 0.10 | 0.10 | 1.37 |
Accelerator Con- figuration Change | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Experiment Ready | 1.00 | 1.00 | 0.58 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 6.58 |
Planned Config- uration Change | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Unplanned Experiment Down | 0.00 | 0.00 | 0.42 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.42 |
Hall not ready reasons | |||||||||
Target | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Data Acq | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Other | 0.00 | 0.00 | 0.42 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.42 |
HRSL | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
HRSR | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
HALL_OFF | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Comments: 1830 Large rate fluctuations in Compton detectors indicate bad beam -- MCC called 1835-1905: Neutron arm HV crate died -- controlled access to reset. 1920 Beam returns, attempt to start a new run but BB QDCs now reporting an error condition. Access needed to reset crate...
Data Entry by: Sawatzky