STAR Correlations and Fluctuations PWG

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

Hi Dylan,

Thanks a lot for your update.

I sign off your nice presentation.

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 Dylan Neff <dneffucla AT gmail.com> w dniu 23.10.2020, o godz. 06:00:

Hi Conveners,

 

Sorry for the delay and thank you for the comments. I have reworked much of the formatting on my slides and tried to incorporate your very helpful comments. I've updated the slides:

https://drupal.star.bnl.gov/STAR/presentations/dnp-2020/study-baryon-fluctuations-azimuthal-phase-space-and-search-critical-phenome-0

 

The systematic error bars are due to the randomization in the analysis. First each event is randomly rotated in the azimuthal direction before binning. Second the mixing algorithm randomly replaces events from the pool and then randomly selects tracks from these events to form the new mixed events. The systematic errors come from the spread of values obtained by rerunning the analysis. I put a comment about it on slides 8 and 10. The statistical uncertainties come from the delta theorem and I've added a reference to that on slide 7.

 

 

Thanks,

Dylan Neff

On Mon, Oct 19, 2020 at 3:58 AM Hanna Paulina Zbroszczyk via Star-cf-l <star-cf-l AT lists.bnl.gov> wrote:

Dear Dylan,

I have only minor comments regarding your nice presentation.

General comment: I would suggest putting less text on your slides. 

Try to think what you can suppress little bit.

I would extend this part where you introduce motivation. Something about model you use, more about general motivation.

As you don’t show any STAR data yet, I have only a couple of questions:

Have you tried other binning?

What about the uncertainties you have? Can you add some information about them?

With those implemented, I sign off too.

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 Xiaofeng Luo via Star-cf-l <star-cf-l AT lists.bnl.gov> w dniu 19.10.2020, o godz. 11:54:

Dear Dylan,

    Nice presentation.

    Since your slides only show results from AMPT and no STAR data yet, please find my minor suggestions/comment:

    1. It would be nice if you can prepare a slide to show the physics motivation of this analysis.
        For example, search for baryon clustering induced by CP ?

    2. It would be nice if you can have a slide to describe the AMPT model (default or string melting ?) and event statistics you used for each
        energy.

    3. In slide 8 and other slides, I see caps on the error bars, what is that ? systematic uncertainties ? But those are from model calculations and should have no systematic errors. I would be nice you have formula definition of kurtosis here. And how did you calculate the statistic errors, reference  ?

    4. I suggest to put "AMPT model" in figures, otherwise people may think it is STAR BES data.

    5. Did you try more bins rather than 3 bins ? It would be good you can compare results from different bin size.

    With those implemented, I sign off.
    Looking forward your nice results from STAR BES data in future PWG meeting.


Thank you,
Best Regards,
Xiaofeng

On 2020/10/15 2:32 PM, webmaster--- via Star-cf-l wrote:

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

Dylan Neff (dneff AT physics.ucla.edu) has submitted a material for a review,
please have a look:
https://drupal.star.bnl.gov/STAR/node/52378

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