STAR Correlations and Fluctuations PWG

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

Dear Shinlchi,

Thank you very much for your email.
I partially agree with you. One can identified net-Q = net-p + net-k + 
net-pi and then do σ_{Q,p} = σ_{pi,p} + σ_{k,p} + σ^{p} (similar for 
\sigma_{Q,k}). Then we need to call it identified-Q,p off-diagonal. Then 
there will be always debate if we can call it net-Q or not as we know 
there are a lot more charge tracks that we can not be identified with 
good purity. So we are uncomfortable to call it Q-p, Q-k off-diagonal.
As I mention during my presentation that we are planning to report 
σ_{pi,k}, σ_{pi,p} with good purity along with the existing σ_{k,p}, and 
the variance results. Then one can always construct identified-Q,p (or 
Q-k) off-diagonal with those results.

Thank you.

Best regards,
Arghya



On 2020-11-06 00:19, ShinIchi Esumi via Star-cf-l wrote:
> Dear Arghya
> As I’ve mentioned during the meeting, although it might have not been 
> very
> clear, I have one question. If we re-define your "measured charged 
> particle”
> as the sum of clearly/purely identified charged pions, kaons and p and 
> pbar,
> like what Tetsuro has been doing some year’s ago, (in stead of loosely 
> defined
> just by TPC tracks), then would the correction become well defined for 
> the
> off-diagonal correlation between net-Q and net-p/net-k?
> Best regards, ShinIchi
>
> > On Nov 5, 2020, at 22:55, arghya via Star-cf-l 
> > <star-cf-l AT lists.bnl.gov> wrote:
> >
> > Dear all,
> >
> > Please find my slides at the following link:
> > https://drupal.star.bnl.gov/STAR/system/files/offdiagonalIssue.pdf
> >
> > Thank you.
> >
> > Best regards,
> > Arghya
> >
> > On 2020-11-05 15:10, Paweł Szymański via Star-cf-l wrote:
> > > Dear All,
> > > My slides can be found under following link:
> > > https://drupal.star.bnl.gov/STAR/system/files/CF_05Nov.pdf
> > > Best regards
> > > Pawel
> > > czw., 5 lis 2020 o 07:59 Hanna Paulina Zbroszczyk via Star-cf-l
> > > <star-cf-l AT lists.bnl.gov> napisał(a):
> > > > Dear Ashish,
> > > > Your contribution is added.
> > > > Thanks,
> > > > Hanna
> > > > Hanna Paulina Zbroszczyk
> > > > PhD DSc Eng, Professor WUT
> > > > E-mail: hanna.zbroszczyk AT pw.edu.pl
> > > > Tel: +48 22 234 5851 (office)
> > > > Address:
> > > > Warsaw University of Technology
> > > > Faculty of Physics
> > > > Nuclear Physics Division
> > > > Koszykowa 75
> > > > Office: 117b (via 115)
> > > > 00-662 Warsaw, Poland
> > > > Wiadomość napisana przez apandav <apandav AT rcf.rhic.bnl.gov> w dniu
> > > > 05.11.2020, o godz. 07:52:
> > > > Dear Conveners,
> > > > I would like to present update of net-proton(proton) C5(K5),
> > > > C6(K6)analysis in BES I energies, in todays meeting.
> > > > Kindly add me to the agenda. I will post link to the slides soon.
> > > > Thanking you,
> > > > Best regards,
> > > > Ashish
> > > > On 2020-11-05 06:30, arghya via Star-cf-l wrote:
> > > > Dear Hanna and Xiaofeng,
> > > > I would like to give an update on off-diagonal cumulants.
> > > > Could you please add my name to the agenda?
> > > > Thank you.
> > > > Best regards,
> > > > Arghya
> > > > On 2020-11-02 16:32, Hanna Paulina Zbroszczyk via Star-cf-l wrote:
> > > > Dear CF PWG colleagues,
> > > > We will have our weekly CF PWG meeting on Thursday, November 5th,
> > > > 9:30
> > > > AM (BNL time).
> > > > If you would like to contribute, please let us know.
> > > > Please post your slides by Wednesday.
> > > > We will connect via Zoom. Connection details you will find under the
> > > > usual page.
> > > > Best regards,
> > > > Hanna and Xiaofeng
> > > https://drupal.star.bnl.gov/STAR/blog/luoxf/correlations-and-fluctuations
> > > > Hanna Paulina Zbroszczyk
> > > > PhD DSc Eng, Professor WUT
> > > > E-mail: hanna.zbroszczyk AT pw.edu.pl
> > > > Tel: +48 22 234 5851 (office)
> > > > Address:
> > > > Warsaw University of Technology
> > > > Faculty of Physics
> > > > Nuclear Physics Division
> > > > Koszykowa 75
> > > > Office: 117b (via 115)
> > > > 00-662 Warsaw, Poland
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