Difference between revisions of "Run Coordinator report: Spring 2018 r17"
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After completing 100% of the scheduled experiment hours (2003h) for this run, we collected 111% of the expected data (1108.9h). This expectation assumes a total efficiency of 50%, which turned out to be higher in the end. | After completing 100% of the scheduled experiment hours (2003h) for this run, we collected 111% of the expected data (1108.9h). This expectation assumes a total efficiency of 50%, which turned out to be higher in the end. | ||
| − | The RC period started with the hall in restricted access for a tour on Wednesday. Afterwards, a network failure in the MCC caused by a configuration change a router resulted in a long down time. The recovery period included a pass change to Hall A and took until Thursday 9pm. We started the program with a harp scan and two runs in raw mode and continued production data taking from midnight to 9am on Friday. | + | The RC period started with the hall in restricted access for a tour on Wednesday. Afterwards, a network failure in the MCC caused by a configuration change a router resulted in a long down time. The recovery period included a pass change to Hall A and took until Thursday 9pm. We started the program with a harp scan and two runs in raw mode and continued production data taking from midnight to 9am on Friday. The rest of the day was dedicated to a fast-raster scan (~1h) and two long TAC runs, one with a full and the other one with an empty hydrogen target. In between, PS/SC rate studies were performed with different target densities. |
Revision as of 11:02, 8 May 2018
Run Coordinator report for May 2-6, 2018
We were scheduled 88 hours of CW beam, of which 46.2 hours (53%) were delivered to Hall D. Of this, we used 43.1 hours (ABU) or 49% of the scheduled beam time. The causes of down time were DAQ problems after the long break on Wednesday/Thursday (~1h), an access to the hall to swap an SSP module for trigger tests (~1h) and the usual configuration changes between diamond orientations (~1h).
After completing 100% of the scheduled experiment hours (2003h) for this run, we collected 111% of the expected data (1108.9h). This expectation assumes a total efficiency of 50%, which turned out to be higher in the end.
The RC period started with the hall in restricted access for a tour on Wednesday. Afterwards, a network failure in the MCC caused by a configuration change a router resulted in a long down time. The recovery period included a pass change to Hall A and took until Thursday 9pm. We started the program with a harp scan and two runs in raw mode and continued production data taking from midnight to 9am on Friday. The rest of the day was dedicated to a fast-raster scan (~1h) and two long TAC runs, one with a full and the other one with an empty hydrogen target. In between, PS/SC rate studies were performed with different target densities.
