STAR HardProbes PWG

[suyuann AT mail.ustc.edu.cn]

Dear conveners，

The materials of D0 R_AA analysis in isobar collision are ready. If it's ok, we would like to push them to PWG review. 

please find the updated version in the following link: 

https://drupal.star.bnl.gov/STAR/blog/suyuann/RepliestoPWGCpreviewD0RAAisobar

Thanks and best regards,

Yuan

-----原始邮件-----
发件人:suyuann AT mail.ustc.edu.cn
发送时间:2023-06-14 22:01:21 (星期三)
收件人: "STAR HardProbes PWG" <star-hp-l AT lists.bnl.gov>
抄送: ephy <ephy AT ustc.edu.cn>
主题: Replies to PWGC preview D0_RAA_isobar

Dear conveners and all,

As we had tried to fit the pi/kaon/p spectra in isobar by Blast-Wave function, we have implemented PWGC preview comments.

please find it at: https://drupal.star.bnl.gov/STAR/blog/suyuann/RepliestoPWGCpreviewD0RAAisobar

If it's ok, we would like to put forward to PWG review. 

Thanks and best regards,

Yuan

On 2023-05-16 04:23, Barbara Trzeciak via Starpapers-l wrote:
> Date: 05/15/2023
> 
> Participants: Hanna Zbroszczyk, Toshihiro Nonaka, Jae Nam, Nihar
> Sahoo, Issac Mooney, Yi Yang, Yue-Hang Leung, Subhash Shingha,
> Shinichi Esumi, Yuan Su, Yifei Zhang, Sooraj Radhakrishnan, Barbara
> Trzeciak
> 
> Title: Measurements of inclusive D0-meson production in Isobar
> collisions at √sNN = 200 GeV
> PAs: Yuan Su, Yifei Zhang, Xiaolong Chen
> Target journal: EPJC
> Proposal page:
> https://drupal.star.bnl.gov/STAR/blog/suyuann/Measurements-inclusive-D0-meson-production-Isobar-collisions-200-GeV
> Presentation:
> https://drupal.star.bnl.gov/STAR/system/files/PWGC_D0_RAA_isobar_20230512_YuanSu_0.pdf
> 
> The PWGC panel previewed a paper proposal from HP PWG. The panel found
> that the analysis is mature and results are important and interesting,
> and the paper should move forward. The journal choice was also found
> to be appropriate. The following points were discussed.
> 
> Q: R_AA comparison vs centrality or N_part, do we plan to show both,
> what is the conclusion ?
> A: We don’t have enough precision to say we are in agreement with
> Au+Au at the same N_part or centrality interval.
> 
> Q: Slide 17: There is large centrality dependence of the extracted T
> and beta parameters for D0 and they are very similar for Au+Au and
> isobars at the same centrality while one would expect the same
> temperature for the same N_part.
> A: The uncertainties are too large to draw conclusions.
> 
> Q: D0 R_AA comparison to theory - which model is it ?
> A: This is a new calculation for isobars using the framework from
> TAMU, but it’s not published.
> 
> Q: Why are there so high systematic uncertainties at low pT in Raa and
> why is it asymmetric ?
> A: Because there are no data points there for p+p, it comes from
> extrapolation from the Levi function and uncertainties on this are
> from fits of other functions.
> 
> Q: Slide 16: light particles are from Au+Au ? Can we add isobar
> results here ?
> A: This is a good suggestion, but the pi/K/p results are not published
> yet.
> 
> Q: Slide 12: What are the three types of errors for Au+Au ?
> A: The shaded bands are from N_bin uncertainties
> 
> Q: Slide 12: Why does p+p have such large statistical errors ?
> A: There is extrapolation involved.
> 
> Q: Slide 17: Have you tried the same Blast-Wave fitting for p+p ?
> Would be interesting to compare to HI results.
> A: We can try to perform the fit.
> 
> Q: Can we have a comparison of R_AA to the theory for Au+Au ?
> A: Yes, it is published, we can add to the plot.
> _______________________________________________

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