[Clas12_first_exp] RGA-Data Processing Status

[Latifa Elouadrhiri]

Dear all,

The data processing/skimming/validation of the data with the correct 
helicity information has been *completed yesterday 8/18/2019* for the 
selected inbending runs from Run 5030 to Run 526. *The results are 
located under /work/clas12/rg-a/trains/v16_v2/ and they are available to 
everyone for physics analysis.*

Attached are some examples of monitoring/validation histograms produced 
by Francois from the ep Skim

  * exclusive DVCS events with BSA as before
  * exclusive e p pi+ pi- events with rho and f2 peaks
  * exclusive e p pi+ pi- pi0 events with clear omega peak
  * exclusive e p K+ K- events with clear phi peak
  * pio eta beam spin asymmetry

Also attached are plots from Harut of Sinphi moment for each helicity 
state. There is some structure present in all runs in the extracted 
helicity that we need to understand.

*Other ongoing tasks
*

  * Nathan is working on improvement to the code that correct the
    delayed helicity, should be available this week
  * Calibration of the outbending runs we are on track to start
    pass0/data processing this Friday-followed by the calibration/data
    processing of the spring 2019 run
  * improvement to DC alignment
  * Improvement to the TORUS magnetic field
  * New timeline monitoring tools to run on DST
  * ...

If there any questions, please let us know.

Best regards,

Latifa



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