[Hallc_running] [New Logentry] Status update

sanghwa at jlab.org sanghwa at jlab.org
Sun Apr 8 10:25:03 EDT 2018

Logentry Text:
It has been productive weekend so far. Data taking continues for the Deuteron Electro-Disintegration (E12-10-003) Run Plan. We reached the minimum charge goal for the Pm=750MeV setting around 4:20 am this morning. We moved HMS to 55.0 deg and set HMS momentum to p = +2.194 GeV for collecting more data at Pm = 580MeV setting. The current plan is to continue the Deuteron Electro-Disintegration Run Plan until Monday morning and then switch to the SIDIS program.

On Monday, there will be 8 hours of beam studies starting at 8:30 am. MCC needs Hall C throughout the beam studies which results in NO access into Hall on Monday. MCC will send beam  for a set of current settings (20 - 80 uA)with different laser and energy settings (https://logbooks.jlab.org/entry/3556959). We will keep the Hall locked and take some parasitic beam if possible.

For those who need access into Hall, we may get a chance on Tuesday during RF recovery. The detailed plan is not clear yet, but I will keep posting with any update. If anyone else needs access, please let me know.

Access requests:
Wenliang Li: HGC PMT work
Simona: Check SHMS Hodoscope

Other special notices:
HMS online monitor has been updated. There is one additional plot at the end to check the HMS Hodoscope reference time vs DC reference time. See good and problematic examples from https://logbooks.jlab.org/entry/3556599

There will be no meeting today.


This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/3556965
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