[Rga_calib] [EXTERNAL] Re: RGA-Spring2018-Timelines & next steps of calibrations

[Marco Mirazita]

Hello,
I think my reply was blocked by the mailing list owner because I 
attached a plot, I'm sending it again without the plot.
Marco


Il 2021-04-19 17:46 Marco Mirazita ha scritto:
> Hello Latifa,
> in the RICH mean timeline I see weird distributions with many peaks
> separated by about 2 ns, like the one attached.
> This might be due to some problem with the RF correction. Do you know
> if there is any difference between these runs and all the others we
> calibrated so far?
> Marco
> 
> 
> 
> Il 2021-04-16 15:52 Latifa Elouadrhiri ha scritto:
>> Dear all,
>> 
>>  Please find below the latest timelines of RGA-Spring2018
>> https://clas12mon.jlab.org/rga/pass0/v2.2.36/tlsummary/ [1]
>> 
>>  This is after the first round of FTOF calibrations. Dan has completed
>> the analysis of FTOF timelines and the calibrations are good see below
>> his observations of FTOF calibrations:
>> 
>>  ===========================
>>  _"1) p1b is good over the full range starting at r3210 (before that
>> is not useable for production), eliminating_
>>  _the run ranges for FT studies and RND trigger runs. All other runs
>> have vertex times within +/-10 ps of zero._
>> 
>>  _2) p1a is acceptable for nearly the full range with vertex times
>> within +/-20 ps of zero. But there is one small_
>>  _run range that has a shift out to 30 ps that I would like to
>> improve. The relevant run range is 3734-3778. I_ _would ask that run
>> 3752 be cooked for further FTOF calibrations_."
>> 
>>  ===========================
>>  So we are ready for all you to review your subsystem and let us know
>> by Tuesday what runs you will need for us to process in order to
>> complete your subsystem calibrations.
>> 
>> Please let me know if you have any questions,
>> 
>> Best regards,
>> 
>> Latifa
>> 
>>> 
>> 
>> 
>> Links:
>> ------
>> [1] https://clas12mon.jlab.org/rga/pass0/v2.2.36/tlsummary/
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