[g13] Tagger

ctaylor at jlab.org ctaylor at jlab.org
Sat Sep 4 09:39:18 EDT 2010


All,

I think Pawel and Yordanka both agree that one more 'pass0' would be
useful at this point, since we also made some quick tweaks on the start
counter and tof as well.

-Chuck

> Hi Ken,
>
> I have noticed that the e-counter calibration was not consistent as the
> calibration of the t-counters. This was because I have previously
> calibrated only one file per 50 (or 100 in some cases) runs. For this
> reason, I felt much more comfortable redoing the e-counter calibration for
> every 10 runs (and in the meantime checking for everything else). Having
> said this, I think we will need to recook all A01 files. Will this require
> a lot of extra time/work?
>
> -Nick
> On Sep 3, 2010, at 4:15 AM, Ken Livingston wrote:
>
>> Hi Nick,
>> Thank a lot for working so fast on that. I'll start the cooking again as
>> soon as possible. Can you let me know the run ranges where you modified
>> the  constants so I can recook the relevant A01 files at some point.
>>
>> Cheers,
>> Ken
>>
>>
>>
>> On 09/02/2010 11:49 PM, Nicholas Zachariou wrote:
>>> Hi all,
>>>
>>> I finished with the tagger calibration "touch-up", so as far as tagger
>>> goes, we are ready to start cooking. I was also able to check two files
>>> per 10 runs for the entire g13b and everything looks OK. I focused on
>>> checking .A10 files since during calibration I was mainly using A00
>>> files (and A01 except when I needed more statistics -- ci calibration--
>>> where I used A19 as well) .  From the files I checked it seems that we
>>> wont have many runs that show inconsistencies in the calibration
>>> between files (other than the ones previously indicated). I also tried
>>> to fix the ones with inconsistencies but again we will see how these
>>> behave when we cook all the data.
>>>
>>> -Nick
>>> _______________________________________________
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>>>
>>
>>
>> --
>> =======================================================
>> Ken Livingston
>>
>> Dept. of Physics&  Astronomy,        Tel: +44 141 330 6428
>> University of Glasgow,               Fax: +44 141 330 5889
>> Glasgow G12 8QQ.
>> Scotland. UK.
>> =======================================================
>>
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>
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