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Subject: STAR Correlations and Fluctuations PWG
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time)
- From: Anna Kraeva <annakraeva555 AT gmail.com>
- To: STAR Correlations and Fluctuations PWG <star-cf-l AT lists.bnl.gov>
- Subject: Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time)
- Date: Fri, 20 Oct 2023 01:52:17 +0300
Dear Hanna,
Thank you for your comments. Please find my answers and link on paper proposal page with note link below:
https://drupal.star.bnl.gov/STAR/blog/annakraeva/Paper-proposal-Pion-femtoscopy-sqrts-3-GeV
> What is the uncertainty of the momentum resolution on extracted HBT parameters?
Uncertainty of the momentum resolution correction depends on kT. In average the influence of the momentum resolution on the R_out is ~1.5%, on the lambda - ~2-2.5%, on the R_side and R_long - less than 0.6-0.7%. Please find more details in the note at page 38-40.
> How the impact of octans removed / not removed is included in the systematic uncertainties?
It is not included as a systematic uncertainty because it removes the pure effect. The systematic uncertainty comes on the remaining fraction that we suppress with FMH cut
> What is the impact of including/excluding the mixed components out-long to the fit?
Impact of including/excluding the cross-term component R^2_{ol} is less than ~1.5%. You can see the more calculations in note on 46-47 p.
> Provide general information about the model used in the main part of the presentation
In UrQMD only cascade mode was used. Collisions generated in UrQMD in the center of mass system at 3 GeV (90.6M). The analysis was done in the laboratory system using Lorentz transformations. Charged pions were selected by ID number. Kinematic cuts: 0.15 < p < 1.5 GeV/c, 0.15 < pT < 1.5 GeV/c, −2 < η < 0, what corresponds to the acceptance of the experiment. (See the note, 55-56 p.)
> Figure 8: provide references to the cited results.
References for the cited results:
STAR, E895, E866, NA: https://arxiv.org/abs/2007.14005
HADES, 2.4 GeV: https://arxiv.org/abs/1910.07885
Thank you,
Anna
Thank you for your comments. Please find my answers and link on paper proposal page with note link below:
https://drupal.star.bnl.gov/STAR/blog/annakraeva/Paper-proposal-Pion-femtoscopy-sqrts-3-GeV
> What is the uncertainty of the momentum resolution on extracted HBT parameters?
Uncertainty of the momentum resolution correction depends on kT. In average the influence of the momentum resolution on the R_out is ~1.5%, on the lambda - ~2-2.5%, on the R_side and R_long - less than 0.6-0.7%. Please find more details in the note at page 38-40.
> How the impact of octans removed / not removed is included in the systematic uncertainties?
It is not included as a systematic uncertainty because it removes the pure effect. The systematic uncertainty comes on the remaining fraction that we suppress with FMH cut
> What is the impact of including/excluding the mixed components out-long to the fit?
Impact of including/excluding the cross-term component R^2_{ol} is less than ~1.5%. You can see the more calculations in note on 46-47 p.
> Provide general information about the model used in the main part of the presentation
In UrQMD only cascade mode was used. Collisions generated in UrQMD in the center of mass system at 3 GeV (90.6M). The analysis was done in the laboratory system using Lorentz transformations. Charged pions were selected by ID number. Kinematic cuts: 0.15 < p < 1.5 GeV/c, 0.15 < pT < 1.5 GeV/c, −2 < η < 0, what corresponds to the acceptance of the experiment. (See the note, 55-56 p.)
> Figure 8: provide references to the cited results.
References for the cited results:
STAR, E895, E866, NA: https://arxiv.org/abs/2007.14005
HADES, 2.4 GeV: https://arxiv.org/abs/1910.07885
Thank you,
Anna
вт, 17 окт. 2023 г. в 14:20, Hanna Paulina Zbroszczyk via Star-cf-l <star-cf-l AT lists.bnl.gov>:
_______________________________________________Dear Anna,
After reviewing your paper proposaI presentation, I have the following requests for you to include in the PWGC presentation:
- What is the uncertainty of the momentum resolution on extracted HBT parameters?
- How the impact of octans removed / not removed is included in the systematic uncertainties?
- What is the impact of including/excluding the mixed components out-long to the fit?
- Provide general information about the model used in the main part of the presentation;
- Figure 8: provide references to the cited results.
Thanks,
Hanna
Hanna Paulina ZbroszczykPhD DSc Eng, Professor WUTE-mail: hanna.zbroszczyk AT pw.edu.plTel: +48 22 234 5851 (office)Address:Warsaw University of TechnologyFaculty of PhysicsNuclear Physics DivisionKoszykowa 75Office: 117b (via 115)00-662 Warsaw, PolandWiadomość napisana przez Anna Kraeva via Star-cf-l <star-cf-l AT lists.bnl.gov> w dniu 11.10.2023, o godz. 23:08:Dear Conveners,
We would like to repeat our paper proposal on "Correlation femtoscopy of identical pions in Au+Au collisions collisions at 3 GeV". Please kindly add me to the agenda.
Thank you,
Anna_______________________________________________вт, 10 окт. 2023 г. в 05:51, 野中俊宏 via Star-cf-l <star-cf-l AT lists.bnl.gov>:_______________________________________________Dear CF Activists,
We will have our weekly CF PWG meeting on Thursday, October 12th, 9:00 AM (BNL time).
If you would like to contribute, please let us know.
Please try to post your slides at your earliest convenient.We will connect via Zoom. Please find the connection details under the meeting webpage.
Thank you,Best regards,Hanna and Toshihirohttps://drupal.star.bnl.gov/STAR/blog/gos/correlations-and-fluctuations-preliminary-plots
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[Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
野中俊宏, 10/09/2023
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
Anna Kraeva, 10/11/2023
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
Hanna Paulina Zbroszczyk, 10/17/2023
- Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time), Anna Kraeva, 10/19/2023
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
Hanna Paulina Zbroszczyk, 10/17/2023
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
yghuang, 10/11/2023
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
yghuang, 10/12/2023
- Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time), Anna Kraeva, 10/12/2023
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
yghuang, 10/12/2023
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Re: [Star-cf-l] CF PWG meeting, Oct. 12th, 2023, time: 9:00 (BNL time),
Anna Kraeva, 10/11/2023
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