[d2n-analysis-talk] New Production Run List and Target Polarization

[yawei at jlab.org]

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
>