STAR Correlations and Fluctuations PWG

[Zachary Sweger <zwsweger AT ucdavis.edu>]

Dear Toshihiro,

Thank you for the comments. I've updated the slides which are available here: https://drupal.star.bnl.gov/STAR/system/files/Sweger_Fluctuations_v2.pdf

Regarding your comments on the title, I was asked to present on net-particle fluctuations, but I see your point that I had focused on protons and deuterons. I had initially done this because I have not seen updates on net-kaon/net-charge in the recent collaboration meetings. But there was the net-charge/net-kaon paper published in 2019 and updated in 2022. So in order to make my slides more generally about net-particle fluctuations, I've added slides 25-30 on these results. Please let me know your thoughts.

Thank you!

Zach

On Tue, Jul 25, 2023 at 5:05 AM 野中俊宏 via Star-cf-l <star-cf-l AT lists.bnl.gov> wrote:

Dear Zach,

I have some comments/suggestions on your nice slides for your considerations.

Best regards,

Toshihiro

Title: As you are not discussing about net-kaon or net-charge, so I think the title can be more specific like "net-baryon fluctuations" instead of "net-particle".

p4, 4th bullet: of -> =

p7: "Net-Particle Fluctuations" or "Net-Baryon Fluctuations" (related to my first suggestion).

p8:

- Please be speficic that skewness is corresponding to "S", not "S sigma=C3/C2".

- I didn't know about "excess" kurtosis, but it should be "\kappa-3", not \kappa\sigma^2. Please simply use "kurtosis", corresponding to "\kappa".

p9: Please cite Misha's paper.

p10:

- Add author name or "STAR" on the reference.

- \sqrt{s_NN} = 7.7 ...

p10-11, Title: BES-I Net-Proton Cumulants

p11:

- Remove [skewness] and [excess kurtosis]

p12:

- Add author name or "STAR" for top left reference

p18, 5th bullet: Result is consistent with UrQMD calculations.

p19, 20, reference:

- Phys. Rev. C (Use the same style with other slides)

- Add author name or "STAR"

p20: volume fluctuations -> initial volume fluctuations

p21, 22, Title: Moments -> Cumulants

p21:

- Add author name or "STAR" to the reference

- 1st bullet: moments -> cumulants

p22, 23, 24:

- Add author name or "STAR" to the reference

p34, 35:

- I would suggest remove these slides, as the message is not clear. Then you can spend more time for "Lessons from BES-II and FXT",

which I think is the important part from your recent studies.

p38:

- cannot not -> cannot

p39, 2nd bullet:

How about rephrasing as follows:

"So the precision... by the TOF, while all charged particles are measured by TPC including pileup events."

p37-p42:

Your explanation is clear enough to me, but I think it will be difficult for audience to follow, as it's a little complicated mechanism.

Thus, to help audience understand, how about adding the summary sentence below somewhere in p41,42?

"The PID difference between analyzed protons (TPC+TOF) and centrality definition (TPC) leads to few protons for pileup events classified in very central events."

p42:

Can you add more information to the sketch for clarity:

- X-axis: "Proton number (TPC+TOF)"

- Indicate that the proton number distribution is assumed to be for "0-5% centrality (TPC)".

- Indicate that the red tail is originally from other centrality class (peripheral collisions)

p43-44:

- Left plot "\sqrt{s_NN}=3.5 GeV (UrQMD)"

p47:

- This is a STAR talk, so remove Yige's name on top right.

---

差出人: Star-cf-l <star-cf-l-bounces AT lists.bnl.gov> が webmaster--- via Star-cf-l <star-cf-l AT lists.bnl.gov> の代理で送信
送信日時: 2023年7月19日 12:48
宛先: star-cf-l AT lists.bnl.gov <star-cf-l AT lists.bnl.gov>
件名: [Star-cf-l] STAR presentation by Zachary Sweger for AUM 2023 submitted for review

 

Dear star-cf-l AT lists.bnl.gov members,

Zachary Sweger (zwsweger AT ucdavis.edu) has submitted a material for a review, 
please have a look:
https://drupal.star.bnl.gov/STAR/node/64337

Deadline: 2023-08-01
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If you have any problems with the review process, please contact 
webmaster AT www.star.bnl.gov
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