[Sbs_gems] [EXTERNAL] Re: Cosmic run tonight

[Sean Jeffas]

Hi Kondo,

We are not prepared to do all this work tonight. Also you would probably
want at least 1 to 2 hours at each point that you suggest, so there is not
enough time. We can work on it tomorrow though.

Best,
Sean

On Tue, Nov 9, 2021, 7:16 PM Ezekiel Wertz <ewertz at email.wm.edu> wrote:

> Hi Kondo,
>
> I personally do not know how to really manipulate the DAQ to do these
> tasks. If a DAQ person is available or another GEM person knows how to
> properly manipulate the DAQ to accomplish this, I have no problem taking
> data like this. Also how long (i.e. how many events of cosmic data) would
> one want at each one of these DAQ configurations.
>
> Zeke
>
> On Tue, Nov 9, 2021 at 5:16 PM Kondo Gnanvo <kagnanvo at jlab.org> wrote:
>
>> Hi Zeke & Holly,
>>
>> For the cosmic run tonight with the GEMs, we would like to have a few
>> specific runs to investigate the APV25 signal flip that we are observing
>> with the data with beam so far.
>>
>>
>>
>> So the plan is to have 3 dedicated runs:
>>
>>
>>
>> 1-) First run: standard run with online zero suppression (containing full
>> non zero suppressed raw APV data every 100 events).
>>
>> 2-) Second run: run with no online zero suppression where we have access
>> to all APV raw data
>>
>> 3-) third run: Zero suppressed event with 1 full raw APV data every 10
>> events
>>
>>
>>
>> For this 3rd run, I don’t know if it is just a matter to set a variable
>> in DAQ configuration file or if this would require any modification from
>> Ben. If so, I guess we could skip it for tonight and discuss it tomorrow at
>> GEM meeting.
>>
>>
>>
>> Please let us know if this plan is clear and if you see any issue with
>> that. If we have the data, then we could already have a first look at the
>> APV raw data frames with Xinzhan script at the GEM meeting tomorrow
>>
>>
>>
>> Best regards
>>
>> Kondo
>>
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