[Clas12_calcom] [EXTERNAL] Re: RGC summer22 cooked runs to be checked for run-dependent status

[Marco Mirazita]

Yes, no real need.
Marco


Il 2023-12-06 18:38 silvia at jlab.org ha scritto:
> Dear Marco,
> thanks a lot for your feedback. If I can summarize your message, I'd 
> say
> that there is no need for run-dependent statuses for RICH?
> Best regards,
> Silvia
> 
>> Dear Silvia,
>> for the RICH we have two levels of status tables.
>> For the ones that control the particle ID (aerogel, mirrors) we don't
>> foresee any run dependence, the possible time dependence from one run
>> period to another is taken into account through the ccdb variations 
>> (as
>> we do for the alignment tables).
>> The run dependence could be relevant for the MAPMT status table, and
>> here we might have few possible contributions:
>> - permanent macroscopic failure of the electronics, like the broken
>> board we had in sector 1: this is easy to catch and to include in the
>> table
>> - permanent failure of individual PMT channels: in several years of
>> running, we lost no more than 2 channel per module (25k each), so it 
>> is
>> totally negligible so far, but we have tools to monitor this.
>> - temporary failure of the electronics due to radiation damage: this
>> could be very complicated to catch and we don't have tools available
>> yet, but hopefully should be a minor effect.
>> Best regards,
>> Marco
>> 
>> 
>> 
>> Il 2023-12-01 18:01 Silvia Niccolai via Clas12_calcom ha scritto:
>>> Dear detector experts,
>>> At today’s CalCom we discussed the possibility to move to
>>> run-dependent statuses for the various subsystems. We need you to
>>> please look at a set of data we recently cooked for calibrations to
>>> see whether or not your subsystem had run-dependent problems. The 
>>> data
>>> can be found at this location:
>>> /volatile/clas12/rg-c/production/calib/10.0.2_TBT_11_30_23/
>>> If needed, and if useful, you can also look at our recent pass0 data
>>> (10 files/run):
>>> /volatile/clas12/rg-c/production/pass0/mon/v0.14/mon/recon/
>>> Please let me and CalCom know your findings.
>>> Thanks
>>> _______________________________________________
>>> Clas12_calcom mailing list
>>> Clas12_calcom at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/clas12_calcom
>>