[Clas12_first_exp] Update and No meeting today

Latifa Elouadrhiri latifa at jlab.org
Sat Apr 18 11:22:47 EDT 2020


Dear all,

*Update on the outbending data calibration and processing:*

  * The final pass0 for the outbending data has been completed
    yesterday  as well as the monitoring histograms. Timeline has been
    submitted last night, however  there are some technical difficulties
    that Andrey is working on this morning. I will send an email to
    everyone once the problem is resolved with the link to the timeline.

  * The required decoding of the outbeding run period is completed.

  * Pass1 Review for the outbenidng is scheduled for this coming Wednesday

*We have also started this Thursday on the following tasks in parallel:*

  * *Started the process for the calibration of the initial part of the
    Fall 2018 inbending: *Launched  new monitoring/timeline of the first
    part of the inbending 4763 to 5031  with the latest monitoring code 
    in order to refine our requirements for re-calibration of each
    system and determine for which run this is needed.  During this
    period we were doing a lot of detector & DAQ  studies. Several runs
    were taken for setting up the trigger and the detector HV,
    thresholds and timing etc. We have identified all the special and
    production runs that we need to process from this period. Our
    initial effort is to complete the calibration and processing of runs
    needed for the tracking efficiency studies and all the low
    luminosity runs, followed by the calibration and processing of the
    production runs. Once done this will complete the RGA - Fall2018
    data set!!

  * *Started the process for the calibration of RGA-Spring 2018 Run
    Period:* Launched the processing run 4013 to derive the initial
    calibration  for all all CLAS12 subsystems for one large section of
    spring 2018 run period. This section is our benchmark set of runs
    that we have calibrated, analyzed and presented at DNP 2018.

  * *Started the process for the calibration of RGA-Spring 2019 Run
    Period*:  Launched the processing of 10 files/run for pass0 from the
    spring 2019 with an initial calibration that was derived few weeks
    ago with almost the latest release. This run period was very stable,
    the effort to complete the calibration of this run period will not
    be very large.


Once  we have the last 2 bullets completed we will have good 
understanding of the data quality and the effort required to complete 
each run period. Then we will need to decide as run group on the 
priority to complete data calibration and processing between spring 2018 
and spring 2019 RGA-Run Periods.

Best regards,

Latifa



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