[d2n-analysis-talk] New Production Run List and Target Polarization
Diana Parno
dparno at cmu.edu
Sat Feb 12 20:18:56 EST 2011
Thanks, Yawei. I will double-check the list and get it to you as soon
as I can.
Best,
Diana
On Feb 12, 2011, at 4:47 PM, yawei at jlab.org wrote:
> Hi,
>
> If the Bigbite production run list is ready, I am happy to do the
> interpolation for the Bigbite run list.
>
> Best regards,
> Yawei
>
>
>> So, Dave has put a new version of the production run list on the
>> Wiki:
>>
>> https://hallaweb.jlab.org/wiki/index.php/List_of_special_runs_%28d2n
>> %29#Left_HRS_Production_Runs_.28Major_Kinematic_Settings.29_.
>> 5BNegative_Polarity.5D
>>
>> Hopefully, this update removes the problem runs that Yawei noticed,
>> making possible a new (and better) interpolation of the target
>> polarization.
>>
>> I have a question for the group. The present interpolation of the
>> target polarization, run-by-run, is based on the (old) LHRS
>> production
>> run list. However, the target polarization is not going to be used in
>> evaluating LHRS data; it's really for the BigBite analysis. I had
>> assumed that the BigBite runs matched the LHRS runs roughly one-to-
>> one, but as I was trying to produce a mapping today, I found that
>> this
>> was not actually the case. I've only gone through about a quarter of
>> runs, but it is pretty common for there to be two BigBite runs per
>> LHRS run, and even higher multiplicities are also possible -- I've
>> found one LHRS run (20573) that seems to span six BigBite runs.
>>
>> If it would not be a prohibitive amount of extra work for Yawei
>> compared to redoing the interpolation for the new LHRS run list,
>> would
>> it make more sense to switch over to using the BigBite run list?
>>
>> Best,
>> Diana
>>
>
>
>
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