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

[silvia at jlab.org]

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
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>