[Clas12_first_exp] no rc meeting today and plans for Monday
nick markov
markov at jlab.org
Sun Oct 14 11:49:27 EDT 2018
Dear All,
we have been taking data overnight. The beam was not very stable and we have a few issues with the DAQ.
The gas supply pressure for DC is still low, but the engineer on call is notified and told he will take care of it.
On top of that, we took a run with the reduced windows for the DC:
https://logbooks.jlab.org/entry/3608918
As of now there is no definitive answer from the MCC on how long the bean studies will take. They have a feeling that it will take less then a full shift. I will let you know as soon as I have an update.
As for plans for tomorrow, I think there are two possibilities:
- if downtime will take 4 hours or more, we will rump magnets down and take zero field Forward Carriage cosmic ray runs;
- if the downtime will be shorter we will not take magnets down and just perform a regular maintenance.
The question I have to the DC and SVT experts is if they want to do a zero field runs, since if the answer is “yes” and we rump magnets down tomorrow, we can take a zero field data overnight until RF studies in the morning.
Best regards, Nick.
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