STAR Flow, Chirality and Vorticity PWG

[dshen <dshen AT rcf.rhic.bnl.gov>]

Hi Sergei,

Thanks for sharing your slides.
I have a quick comment, it seems doable to me but has to be confirmed.
In your slide 9, efficiency contributes to spin alignment in the way of 
non-zero a2, which means the efficiency is not isotropic as a function 
of \phistar - \phi. I am wondering if we use the inverse of counts in 
each \phistar - \phi bin as a weight, we are able to eliminate this 
effect, aren't we?

Thanks,
Diyu


On 2023-04-13 09:57, Sergei Voloshin via Star-fcv-l wrote:
> Hi all,
>
> I have done some (MC) studies on the interplay of tracking efficiency,
> flow and SA and its effect on corresponding measurements.
>
> I was not able to present this study at FCV (not yet, probably next
> time), so I put some results in the presentation (start from page 5)
>
>
> https://www.star.bnl.gov/protected/bulkcorr/voloshin/voloshin_SpinAlgnAcceptance.pdf
>
> If interested, have a look. Any comments are very welcome.
>
> Best regards,
> Sergei
>
> --
>
> ======================================
>  Sergei A. Voloshin
>  Professor of Physics,  Wayne State University,
>  666 W. Hancock,  Detroit,  Michigan,  48201
>  e-mail: sergei.voloshin AT wayne.edu
>  Phone: 1-313-577-1630;  Fax: 1-313-577-0711
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