STAR HardProbes PWG

[Nihar Sahoo <nihar AT rcf.rhic.bnl.gov>]

Hello Tong,

Please find my comments below  on your nice presentation slides.

Slide#1:
Title: System size dependence of pT hadron yield modification…"  -> 
"System size dependence of hadron yield suppression…" or something like 
that
Here, "pT hadron yield modification" sounds awkward.

Slide#3:
_Title: "…QGP probe" -> "…QGP Probe"
_"..lose energy to QGP" -> "… lose energy in QGP"
_"…RAA: comparison to p+p collisions" -> not quite right? Define RAA 
using Au+Au and nuclear thickness function..
   It is important for your previous bullet for Npart and Ncoll
_Do you want to say something about right side plots? Any link to your 
analysis…please point out that.

Slide#4:
STAR TPC eta acceptance is |eta| < 1.4 (without iTPC)
What acceptance you are quoting here?

Slide#6
_Can you please remind me where do you get this "p+p uncertainty"?

Slide#8-9
I would make that blue box transparent such that the data points can be 
visible behind.

Slide#10:
It is important to mention for Au+Au, d+Au, and Cu+Cu, what pT ranges 
were used?

Slide#12:

_ you have now two models: I) HG-PYTHIA QM2022 preliminary and II) new 
results that you labeled as "X+X N_hard"
AFAIK, the difference between I) and II) is due to choice of N_hard and 
N_part . Is not that?
But from your labels it seems for I) you used pT>5 GeV, and for II) 
N_hard is used but all pT range.
Is that true?

_ Why your uncertainty band for I) QM2022 preliminary results has been 
changed? It looks wider band in your preliminary results.

Slide#14:
Do you have associated systematic uncertainty for <Ncoll> and <Npart> 
scaled?


Cheers
Nihar



On 2022-09-29 09:54, webmaster--- via Star-hp-l wrote:
> Dear Star-hp-l AT lists.bnl.gov members,
>
> Tong Liu (tong.liu AT yale.edu) has submitted a material for a review, 
> please
> have a look:
> https://drupal.star.bnl.gov/STAR/node/61208
>
> Deadline: 2022-10-11
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