STAR Correlations and Fluctuations PWG

[ShinIchi Esumi <esumi.shinichi.gn AT u.tsukuba.ac.jp>]

Dear Arghya
This is very good that we can go ahead with your proposal with σ_{pi,k}, 
σ_{pi,p} 
measurements, then we can calculate identified-Q,p (or -k) in order to 
replace 
the old results in the previous publication to be corrected. 
Best regards, ShinIchi

> On Nov 6, 2020, at 12:06, arghya <arghya AT rcf.rhic.bnl.gov> wrote:
> 
> 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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