STAR HardProbes PWG

[Veronika Prozorova <v.d.prozorova AT gmail.com>]

Dear Yi,

Thank you very much for your comments! I tried to implement most of them. Please, let me know if you have any further comments.

Comments:

Upsilon result in Au+Au 200 GeV - I decided to put it to backup slides

Elliptic flow (v2) and RAA/RCP - This is planned to be explained a bit later during the presentation (There are definitions on the next slides).

The updated version of the presentation can be found here: https://drupal.star.bnl.gov/STAR/system/files/DIS2024_ver3.pdf

Best wishes,

Veronika

ср, 27 мар. 2024 г. в 06:35, Yi Yang <yiyang0429 AT gmail.com>:

Hi Veronika,

Thanks a lot for the nice slides. I have some suggestions/comments on version 2. 

 - General:

     - the topic is "Recent heavy-flavor measurements from STAR", but you showed many published results on heavy-flavor electrons. Two nature categories should be "Open Heavy Flavor" (heavy-flavor electrons results are part of it) and "Quarkonia". 

     - You can consider also include "D0 production in isobar" (Preliminary) in open heavy flavor part

     - CNN from Jpsi pAu 200 GeV is a bit old (2022), but you can add Ziyue's preliminary result (dielectron channel) in that part 

     - I would suggest also add Upsilon result in Au+Au 200 GeV (published last year) 

     - Regarding the J/psi (and HFE, also) elliptic flow, I am not sure how important to the audiences, I would change to J/psi polarization in isobar (or J/psi RAA in isobar), or Jpsi with jet in pp (also old), but something more related to the production mechanism. 

     - Psi(2S) in isobar is also a very important result from RHIC. 

     - Collision energy dependency of J/psi RAA is also important since you are mentioning many RAA results. 

 

 - p3: It would be good to add the eta coverages for each sub detector 

 - p4: Before this slide, it would be good to have a page to talk about what is the current understanding of heavy flavors, production, polariation, and what is QGP (you kind of directly jump to QGP, it might be too fast for some audiences.)   

 - p4: Elliptic flow (v2) and RAA/RCP probably are not clear to some audiences. 

 - p8: is this n = 8.99 +/- 0.26 important? What does this mean (I probably forgot it)? 

 - p14: I would also show Upsilon in Au+Au 200 GeV (published) results for comparison here. 

 

I understand you have a short talk, but it would be good to show more "new" results (it is okay to have some old ones) in the conference. 

 

Cheers,

Yi

On Tue, Mar 26, 2024 at 5:28 PM Veronika Prozorova via Star-hp-l <star-hp-l AT lists.bnl.gov> wrote:

Hi Yuanjing,

Thank you very much for your valuable feedback! An updated version can be found here: https://drupal.star.bnl.gov/STAR/system/files/DIS2024_ver2.pdf

Best regards,

Veronika

пн, 25 мар. 2024 г. в 22:12, Yuanjing Ji via Star-hp-l <star-hp-l AT lists.bnl.gov>:

Hi Veronika,

Nice slides!

For slide 6-7 reference: the paper has been published on PLB:
Phys.Lett.B 844 (2023) 138071 (also in slide 2). And for the figure,
could you use the final published version:
https://drupal.star.bnl.gov/STAR/system/files/NPEv2_27_54_model_0.pdf
(the only difference is the tiny changes on the style).

Also in slide 6-7, we should be careful here when talking about 27 GeV
heavy flavor electron v2 since uncertainties are large thus hard to make
solid conclusion. So probably
"𝑣2 is consistent with 0" -> "𝑣2 is consistent with 0 within
uncertainties"
"Deviation of c quarks from local thermal equilibrium?" -> "Hints of
deviation of c quarks from local thermal equilibrium? "

Best
Yuanjing

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