STAR Correlations and Fluctuations PWG

[Hanna Paulina Zbroszczyk <hanna.zbroszczyk AT pw.edu.pl>]

Dear Yevheniia,

Thank you for posting your talk in advance.

I can’t find your results in our preliminary page:

https://drupal.star.bnl.gov/STAR/blog/gos/correlations-and-fluctuations-preliminary-plots

We should discuss during next CF PWG preliminary requests to results you intend to show during WWND.

Thanks,

Hanna

Hanna Paulina Zbroszczyk

PhD DSc Eng, Professor

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 Eugenia Khyzhniak via Star-cf-l <star-cf-l AT lists.bnl.gov> w dniu 05.02.2024, o godz. 04:56:

Dear Nu,

I've updated my slides: https://drupal.star.bnl.gov/STAR/system/files/wwndKhyzhniak.pdf

>lide 42 - Summary - 4th and last bullet: (i) The ‘good agreement’ between data and the UrQMD calculation is reached only for '7.7 Au+Au collisions, 30-50% centrality, from the SL correlation'. It is not the case, for example see slide 41, for 10-30% collision centrality. Please add these conditions to the bullet;

I tried to clarify what I meant in my updated summary slide. Please take a look.

>Why it is important to observe the consistence between the HBT result from the pair measurement and “the tilt from the freeze-out distribution” from single particles, at k_T = 0?

I'm looking for the correspondence between HBT results and freeze-out (FO) distribution of pions, but I'm not claiming that those have to be the same. This is more like a test. I'm extrapolating my HBT tilt to zero kT in order to get the biggest possible homogeneity region and trying to see if the HBT tilt agrees with the same from FO dist.

>slide 42 - 2nd bullet - up-right figure: Where did you find the data points from low collision energies? In the listed reference, I could not see the experimental data points.

You're right, thanks! I mixed it up with another PLB paper from 2000. I've put the right one now. Please take a look.

Thank you,

Yevheniia

On Sun, Feb 4, 2024 at 8:17 PM Nu Xu via Star-cf-l <star-cf-l AT lists.bnl.gov> wrote:

Dear Yevheniia and All,

Here are my suggestions/questions about the draft of your WWND2024 talk:

1) slide 42 - Summary - 4th and last bullet: (i) The ‘good agreement’ between data and the UrQMD calculation is reached only for '7.7 Au+Au collisions, 30-50% centrality, from the SL correlation'. It is not the case, for example see slide 41, for 10-30% collision centrality. Please add these conditions to the bullet; (ii) Why it is important to observe the consistence between the HBT result from the pair measurement and “the tilt from the freeze-out distribution” from single particles, at k_T = 0?

2) slide 42 - 2nd bullet - up-right figure: Where did you find the data points from low collision energies? In the listed reference, I could not see the experimental data points.

Thank you,
Nu



> On Feb 4, 2024, at 2:36 PM, webmaster--- via Star-cf-l <star-cf-l AT lists.bnl.gov> wrote:
>
> Dear star-cf-l AT lists.bnl.gov members,
>
> Yevheniia Khyzhniak (eugenia.sh.el AT gmail.com) has submitted a material for a 
> review, please have a look:
> https://drupal.star.bnl.gov/STAR/node/66727
>
> Deadline: 2024-02-11
> ---
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