[Clas12_calcom] [EXTERNAL] Re: RGC F22 timelines with new raster calibration

[Izzy Illari]

Hi Cole,

Thank you for checking that out.

All the best,

Izzy

On 7/8/24 1:30 PM, L Smith wrote:
> H Izzy,
>
> It is not just the several runs with 4 ns shifts.  All of the HTCC 
> runs after run 16943 changed between pass0 1.06 and pass0 1.07 and 
> residuals are better clustered around zero..  The ECAL timing showed 
> no shifts at all.
>
> Regards,
> Cole
>
> 1.07
>
> Screenshot 2024-07-08 at 1.16.42 PM.png
>
>
>
> 1.06
>
> Screenshot 2024-07-08 at 1.16.27 PM.png
>
>
>
>
>
>
>> On Jul 8, 2024, at 12:45 PM, Izzy Illari via Clas12_calcom 
>> <clas12_calcom at jlab.org> wrote:
>>
>> Dear Silvia,
>>
>> I have noticed for the HTCC that there is a difference in the timing. 
>> For the previous timelines, using raster calibration constants from 
>> CCDB, HTCC timing is in spec and looks how I expected:
>> <Screenshot 2024-07-08 at 12.43.03 PM.png>
>>
>> However, for the new timelines for RGC F22 using an sqlite file with 
>> modified raster calibration and beam offsets constants, several runs 
>> are now out of spec for the timing:
>> <Screenshot 2024-07-08 at 12.42.54 PM.png>
>>
>> And I know that I did not change anything on my end for the HTCC 
>> timing for RGC F22. Are other subsystems seeing similar issues?
>>
>> All the best,
>>
>> Izzy
>>
>> On 7/8/24 11:39 AM, silvia--- via Clas12_calcom wrote:
>>> Dear CalCom,
>>> we have produced new timelines for RGC F22 using an sqlite file with
>>> modified raster calibration and beam offsets constants, produced using
>>> Derek's displaced vertex analysis.
>>> The link is:https://clas12mon.jlab.org/rgc/Fall2022/pass0v1.07/tlsummary/
>>> The previous timelines, using raster calibration constants from CCDB, are
>>> at this link:
>>> https://clas12mon.jlab.org/rgc/Fall2022/pass0v1.06/tlsummary/
>>> Could you please look at your subsystem, compare the two timelines, and
>>> let us know if you see any relevant changes in the calibration quality?
>>> Thanks a lot!
>>> Best regards,
>>> Silvia
>>>
>>>
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>>> Clas12_calcom at jlab.org
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