STAR Correlations and Fluctuations PWG

["Westfall, Gary" <westfal3 AT msu.edu>]

JinJin,

I updated my presentation to include the efficiency correction for B(Delta-phi) for protons and kaons.

You can find the plots in my updated presentation at the following link:

https://drupal.star.bnl.gov/STAR/system/files/BalanceAuAuDeltaPhi2021_16_9_2.pdf

The new information is on slides 54 and 55.

I just emailed you files that you can use to compare your results to ours.

Please send me your results and I will compare with them.

Gary

Gary Westfall

University Distinguished Professor, Emeritus

Department of Physics & Astronomy

Michigan State University

East Lansing, MI 48824

westfal3 AT msu.edu

On Oct 14, 2021, at 7:09 AM, Jinjin Pan <jinjin.pan AT WAYNE.EDU> wrote:

Hi Gary,

Thanks for the interesting proposal.

As we discussed earlier in CF PWG meetings and at the Scott Pratt's Balance Function workshop, your balance function results have not been corrected for efficiency, which results in significantly smaller balance function values than they should be. In addition, your BF results are significantly smaller compared with the analysis by Launa and Nandita and my analysis.

So my major comment would be that the efficiency needs to be corrected properly in your analysis so that the BF magnitude will be correct before going to publication. And it would be nice that we could have a consistency between the three analyses.

Thanks and best regards,
Jin

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Dr. Jinjin  Pan

Postdoc Fellow in Relativistic Heavy Ion Physics
ALICE Collaboration at CERN

STAR Collaboration at Brookhaven National Lab
Texas A&M University

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On Tue, Oct 12, 2021 at 2:15 PM Westfall, Gary via Star-cf-l <star-cf-l AT lists.bnl.gov> wrote:

[EXTERNAL]

Hanna, Xiaofeng, and CF PWG:

I would like to present the paper proposal for our paper "Using Balance Functions in Au+Au Collisions at 200 GeV to Determine the Diffusivity of Light Quarks in the QGP” at the next CF PWG meeting.

You can find the presentation at the following link:

https://drupal.star.bnl.gov/STAR/system/files/PaperProposal_0.pdf

Thanks.

Gary

Gary Westfall

University Distinguished Professor, Emeritus

Department of Physics & Astronomy

Michigan State University

East Lansing, MI 48824

westfal3 AT msu.edu

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