STAR Flow, Chirality and Vorticity PWG

[Sergei Voloshin <voloshin AT wayne.edu>]

Hi Xu,

Thank you for updating the Note!

Best regards,
Sergei

On Wed, May 29, 2024 at 8:54 PM Xu Sun <xusun AT impcas.ac.cn> wrote:
>
> Hi Sergei,
>
> We have put the comparison between run11 and run14 in the Appendix B of the 
> AN v8.02.
> Please find the updated version from the following link: 
> https://drupal.star.bnl.gov/STAR/system/files/AnalysisNote_phiSpinAlignment_v08_02.pdf
>
> In addition, we have added supplemental material to demonstrate the 
> effectiveness of the correction method across all pt bins.
>
> Best,
>
> Xu
>
> > On May 17, 2024, at 01:48, Sergei Voloshin via Star-fcv-l 
> > <star-fcv-l AT lists.bnl.gov> wrote:
> >
> > Dear all,
> >
> > Yesterday, at the FCV meeting,  during the discussion of the spin
> > alignment new analyses, some  questions regarding the published
> > results were brought up.   In particular the comparison of the results
> > obtained for 200 GeV from Run 11 and Run 14. I tried to find those
> > results in the Analysis Note, but I did not find anything except that
> > the difference was used for an estimate of the systematic error. From
> > the same discussion at the meeting, as far as I understood, the Run 11
> > results were very far (many sigmas) away from the results of Run 14,
> > and even outside of the published systematic error.  I think it is
> > very important to document all such cases in the Analysis Note. I
> > suggest the PA update (or better append) the AN with the corresponding
> > data showing the results for Run11 and Run 14 separately, both for
> > centrality, and the transverse momentum dependence.
> > It could be also useful to record the reasoning to keep/trust Run 11
> > results for other energies in case of 200 GeV results being that far
> > from the reported values (outside of the systematic brackets).
> >
> > I know that there is some ongoing  discussion on comparing different
> > approaches and results on spin alignment from different groups. My
> > question/request is not about that. I am only asking to include in the
> > AN the important data that was used for publication.
> >
> > best regards,
> > Sergei
> >
> > --
> > ======================================
> > Sergei A. Voloshin
> > Distinguished Professor,
> > Department of Physics and Astronomy,
> > Wayne State University,
> > 666 W. Hancock,  Detroit,  Michigan,  48201
> > e-mail: sergei.voloshin AT wayne.edu
> > ======================================
> > _______________________________________________
> > Star-fcv-l mailing list
> > Star-fcv-l AT lists.bnl.gov
> > https://lists.bnl.gov/mailman/listinfo/star-fcv-l
>


-- 
======================================
 Sergei A. Voloshin
 Distinguished Professor,
 Department of Physics and Astronomy,
 Wayne State University,
 666 W. Hancock,  Detroit,  Michigan,  48201
 e-mail: sergei.voloshin AT wayne.edu
======================================