STAR HardProbes PWG

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

Hello Barbara,

Please find my comments and questions below on your nice presentation.


Slide-2:
_Initial hard scattering, m_Q >> L_QCD -> I think this should be 
"Initial hard scattering,  Q >> Λ_QCD" (here Q is momentum transfer; Δt 
<< 1 fm)
_"negligible thermal production, mQ >> T_QGP" -> is not that heavy quark 
mass m_Q >> T_QGP? I think there is no thermal production of 
heavy-quark. Am I correct?

Slide-6
Can you please point out if there is any relation between D^0 RAA and 
D^(+/-)/D^{0} yield ratio?
Is there any physics link between Strong suppression of D^0 RAA and 
D^(+/-)/D^{0} Au+Au same with Pythia8?
(Just for my understanding as you put these two figures on one slide)

SLide-8
What are these "*" and " ** " in the uncertainty?  [Please mention it]

Slide-13:
"…unity → suppression…".  I would remove "arrow" and replace "and";
(It reads like RpA unity  indicate RAA Strong suppression in AA; I this 
these are two separate physics: cold vs hot QCD)

Slide-16:
"small regeneration or/and small charm quark flow."
For my understanding,   "small regeneration" due to zero v2 Or " Zero v2 
hence small regeneration" ?
I think latter is true. Right?

Outlook:
I would suggest to include BUR HF kinematic coverage plot for different 
observables.
https://drupal.star.bnl.gov/STAR/system/files/OnlyHPProjectionBUR.pdf


Regards
Nihar

On 2022-08-18 15:29, webmaster--- via Star-hp-l wrote:
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> Barbara Trzeciak (barbara.trzeciak AT gmail.com) has submitted a material 
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