[Rgc] more cooked runs in HBT for polarization checks

[Harut Avagyan]

It looks like in the last cooked run the polarization drops, while NMR 
shows higher polarization. Will be great to cook another run to check if 
that effect is real.

Harut

On 2/19/2023 10:53 PM, Christopher Keith wrote:
> Harut,
> The sudden jump in the NMR readings are not real.  The original 
> calibration for the NMR gave low results, but we have reason to 
> suspect its accuracy. James Maxwell later adjusted it so the NMR would 
> roughly agree with Gregory Matousek’s inclusive DIS analysis.
>
> https://logbooks.jlab.org/entry/4133528
>
> Since then the NMR and online trigger asymmetry have been tracking one 
> another pretty closely.  If we have time, we’ll try to get a better 
> NMR calibration tomorrow.
>
> Chris
>
>
> ------------------------------------------------------------------------
> *From:* Rgc <rgc-bounces at jlab.org> on behalf of Harut Avagyan via Rgc 
> <rgc at jlab.org>
> *Sent:* Sunday, February 19, 2023 10:40 PM
> *To:* silvia at jlab.org <silvia at jlab.org>
> *Cc:* rgc at jlab.org <rgc at jlab.org>
> *Subject:* Re: [Rgc] more cooked runs in HBT for polarization checks
> Dear All,
>
> The TPol meaurement based on the DIS using the latest runs is shown in
>
> https://userweb.jlab.org/~avakian/tmp/all-rgc-run-dep-17574-17604.nh3.pdf
>
> It looks like while the NMR values (crosses) were lower before, now are
> higher than the actual polarization measured from DIS.
>
> Best,
>
> Harut
>
> On 2/19/2023 7:11 AM, Silvia Niccolai via Rgc wrote:
> > Hello all,
> > more cooked runs (HBT) are available for polarization checks:
> > /volatile/clas12/rg-c/production/dst/8.5.0_HBT/
> > Best regards,
> > Silvia
> >
> >
> > _______________________________________________
> > Rgc mailing list
> > Rgc at jlab.org
> > https://mailman.jlab.org/mailman/listinfo/rgc
> _______________________________________________
> Rgc mailing list
> Rgc at jlab.org
> https://mailman.jlab.org/mailman/listinfo/rgc
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/rgc/attachments/20230219/53b7317e/attachment.html>