[Clas12_calcom] [EXTERNAL] Re: check of CCDB constant ranges to get ready for RG-C

[Izzy Illari]

Dear Silvia,

In process of checking/updating for HTCC, will let you know when complete...

Best,

Izzy

On 6/9/22 9:19 AM, L Smith wrote:
> Dear Silvia,
>
> The ECAL will start with the most recently optimized timing constants from RGM (run 15832).  For PMT gains the ccdb gain constants were set to unity after RGM run 15538 as HV were adjusted to provide gain matching based on cosmic muon MIP data (this is periodically done as software gain constants are not implemented in the e- trigger firmware.)  Over the last days of cosmic running I verified the hardware gains are still holding up but I expect to make a few individual adjustments.
>
> Best regards,
> Cole
>
>> On Jun 8, 2022, at 6:05 AM, silvia at jlab.org wrote:
>>
>> Dear detector contacts,
>> the RG-C run is about to start, and we'll need a decent set of CCDB
>> constants for all subsystems to start checking the quality of our data as
>> it comes in. I'd like to ask you all to please verify in CCDB that all the
>> useful calibration constants of your subsystem(s) have fairly recent and
>> reasonable values (RG-M) and the run ranges extend to infinity.
>> Please let me know when you're done.
>> Thank you very much for your help!
>> Best regards,
>> Silvia (analysis coordinator of RG-C)
>>
>>
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Physics Ph.D candidate (Feb 2020)
Columbian College of Arts & Sciences, The George Washington University
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The George Washington University (Jan 2020)
B.A. in Physics
Barnard College, Columbia University (May 2017)

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