STAR Flow, Chirality and Vorticity PWG

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

Dear Chunjian

Thank you very much. I’ll wait for your next talk. I just wanted to make sure one thing, whether 

the lower-right 2 panels in your page 2 from your PWG slide were done in the way you explained 

in page 3 during your talk yesterday, (where the ratio at a given multiplicity is just re-plotted according 

to the multiplicity-centrality mapping, that is not really correct), which is different from the Eval()-method, 

that is at least more correct and similar to what Gang has done just with data from isobar arXiv, 

that were later mentioned during the discussion time to take into account the shifting effect between 

two systems in order really to make the ratio at a given centrality. I’m asking this, just because the plots 

in your page 2 does look exactly same as what you show in page 3, (I could be wrong, sorry, if that is 

not the case,) where I do not see the shifting effect, where the minimum at about 10-20% (more generally 

the ratio at central region) should become at least somewhat lower with the Eval()-method (page 2?) than 

the mapping-method (page 3), because of the shifting effect coming from the larger multiplicity in Ru than 

in Zr for the same centrality, that’s why I’m asking where you have really done the Eval()-method in your 

page 2 or not. You could also clarity this in your next talk as well, before going to the bin-width effect 

focusing on the difference between ratio of the averages and averaged ratios. Thank you very much. 

Best regards, ShinIchi 

On Nov 4, 2021, at 2:06, Chun-Jian Zhang <chun-jian.zhang AT stonybrook.edu> wrote:

Dear ShinIchi,

Hello. Thank you for nice comments and thank all of your discussion in FCV. Thanks 

I will address your comments and back to FCV again.  I have confidence to definitely convince you guys. 

Best regards, Chunjian 

On Wed, Nov 3, 2021 at 11:49 AM ShinIchi Esumi <esumi.shinichi.gn AT u.tsukuba.ac.jp> wrote:

Dear Chunjian

The following is the message to you after you left the Zoom room. 

Best regards, ShinIchi

For Chunjian, your initial explanation on your p3 was more about the centrality mapping 

from multiplicity with the ratio taken at a given multiplicity. But your later explanation on 

your p2 was more about the interpolation using the ratio with Eval() function at a given 

centrality, which is more correct (but I do not see any of these procedures in your slide) 

and this is similar to what Gang has done by himself from the published values. (I thought 

this was the main effect the minimum going up to 1.01 from 1.00 in the isobar paper, which 

might be wrong, though...) So I would expect that p2 and p3 could be quite different, but 

they are similar or almost same… Fuqiang does have also a good point to do this right with 

the proper centrality bin (including integer/float conversions etc) to start with. I would like 

to talk with you again later time… (You are not there in Zoom anymore, so I’m going to send 

you an E-mail…)

On Nov 3, 2021, at 12:13, Chunjian Zhang <chun-jian.zhang AT stonybrook.edu> wrote:

Dear Shinlchi, 

Hello. Please find my sides in https://drupal.star.bnl.gov/STAR/system/files/FCV_1102_centrality_czhang_0.pdf

Thank you and best regards

Chunjian 

On Nov 2, 2021, at 6:57 PM, Chunjian Zhang <chun-jian.zhang AT stonybrook.edu> wrote:

Dear Shinlchi,

Hello.  I would like to show some plots about the centrality study to address yours and Sergei’s nice comments as we discussed in previous emails during the DNP talk submission. Please kindly add me to the agenda. Thank you.

Best regards 

Chunjian 

On Nov 2, 2021, at 7:03 AM, Yufu via Star-fcv-l <star-fcv-l AT lists.bnl.gov> wrote:

Dear Shinlchi,

If it’s possible, I would like give a talk on “Investigation of the sensitivities of observables for CME search by the STAR experiment using AVFD framework”  for the incoming ATHIC.

Please find my slide  at the following link:

https://drupal.star.bnl.gov/STAR/system/files/ATHIC2021YufuLin_0.pdf

Best regards,

Yufu 

On Nov 1, 2021, at 16:37, ShinIchi Esumi via Star-fcv-l <star-fcv-l AT lists.bnl.gov> wrote:

Dear FCV PWG colleagues

Although the workshop on chirality, vorticity is ongoing, and ATHIC21 is also coming,
we will have our weekly FCV PWG meeting on this Wednesday morning 3/Nov/2021
9:30AM in BNL (NY time zone) at our usual time and place. So if you have anything to
present, please let us know and please post your slide by Tuesday. The zoom room link,
ID and pass for the FCV PWG meeting are in our usual drupal agenda page below.
We already have one request for a presentation from Takahito.

Please also keep in mind that all the preliminary plots should have already been there
in the summary area below. Please prepare, if yours are not there…

We are collecting proposal for QM22 talk/poster contributions within the PWG, so please
send us your requests via E-mail with a clear subject title. Please also pay attention to the
QA/Centrality board/team as you see massages from Ashik/Prithwish on the run/event/track
selections for on-going BES2 production/analysis.

Best regards, Jiangyong, Prithwish and ShinIchi

Meeting agenda page with zoom link : https://drupal.star.bnl.gov/STAR/blog/jjiastar/bulkcorr
Preliminary page : https://drupal.star.bnl.gov/STAR/pwg/bulk-correlations/bulkcorr-preliminary-summary

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