STAR HardProbes PWG

[Barbara Trzeciak <barbara.trzeciak AT gmail.com>]

Hi Veronica,

very nice overview slides. 

Please see below my comments/suggestions.

Cheers,

Barbara

- s1: add the data
- s2: Jets (light flavor): -> Jets:
- s3:
Increase the pictures and the text size in the boxes.
You don't need the p+p collision sketch in the title of this slide.
- s4:
the slide number is not visible
text on the left is very busy and small - you can have the eta and phi coverage in one line.
I would propose the following order: BBC,  TPC, BEMC, TOF, HFT. MTD
Scintillator detector -> Triggering
- s5: Rg = ΔR(1,2) -> define on the picture "1" and "2"
- s5 (2)
You have 2 slides 5.
There is not much jet pT dependence, and you also don't comment on this.
I suggest to have the zg and Rg distribution only for one of the jet pT bins and make the plots bigger.
- s6:
Different J/ψ production -> Dependence of the J/ψ production mechanism on the Jet Activity (jet multiplicity per event) - and I would move it as the first motivation bullet.
color singlet and color-octet models -> Color Single Model and NRQCD
- s7: You already introduced why we need p+A, this is also not so recent study anymore (and from PHENIX) - I would therefore suggest to remove this slide from an overview talk. You can add a related bullet on slide 8.
- s8: expand the EA and UE abbreviations
- s10:
 with unity above 2GeV/c ->  with unity above 3GeV/c (conclusion from the paper)
"Therefore, no CNM observed in J/ψ in small systems within systematics" - Little CNM effects observed for high pT J/ψ in small systems.
And you can add: Suppression in central Au+Au collisions mostly due hot medium effects.
-s11:  in J/ψ ->  for J/ψ at high pT
-s12: Add definition of R_CP
-s13:
D0 jets -> D^0 jets
Significant D0 -> Significant D^0
at low p_T -> at low p_T,jet
Define the jet radial profile (and/or add a cartoon, you can check Diptanil's slides)
Jet radial profiles consistent between central and mid-central events -> Jet radial profiles for D^0 p_T > 5 GeV/c consistent with unity
-s14:
If you don't plan to discuss the comparison to LHC, I suggest to use the version of the figure without the LHC data points
Add a first bullet: Isobar collisions - medium size collision system
Then use bullets for the rest.
with Au+Au ... -> with Au+Au collisions comparable Npart -> comparable <Npart>
Similar densities -> similar E-loss (for quarkonia it's more dissociation and regeneration effects that play role in HI). I suggest: Suppression driven by the system size <N_part>
-s15:
for Au+Au as well -> measured for Au+Au as well
Define θSJ
-s15-15(2): Add "HardCore jets" and "Matched jets" above the figures
And you have two 15 slides
-s17:
No significant CNM effects in J/ψ -> No signicant CNM effects for high-p_T J/ψ
at similar density ->  at similar system size <N_part>
- I would also suggest to add some of the new HP results if you have time (~2 slides). E.g - you have already jet-substructure studies, I would propose to add Andrew's EEC results. And for HI I would propose to add jet v2 from Tristan or/and Gabe's results. 

On Fri, Mar 24, 2023 at 7:49 PM Yi Yang via Star-hp-l <star-hp-l AT lists.bnl.gov> wrote:

Dear Veronica,

Thank you so much for the nice summary presentation. I only have some minor comments on it.

  - p2: Title: Probing the quark-gluon plasma --> Probing the Quark-Gluon Plasma (make Q, G, and P in bold since I don't find a good place to introduce "QGP" in this slide) 

  - p2: More excited -- Higher excited 

  - p6: PYTHIA8 over-predicts --> PYTHIA8 underpredicts 

  - p7: Do we have a similar result from STAR? Would it be good to use our own result? 

  - p10: no CNM observed in J/ψ in small systems within systematics --> no CNM observed in J/ψ in small systems within systematics at high pT

            (At low pT (< 2 GeV/c), the CNM effect is significant) 

  - p11: Similar comment on CNM from J/psi. 

  - p16: no comment, just like the Galileo thermometer... 

  - p17: Similar comment on CNM from J/psi.  

            It would be great to mention Upsilon in the summary slide (since it is the most recent PRL result). 

 

Cheers,

Yi

On Wed, Mar 22, 2023 at 8:35 PM webmaster--- via Star-hp-l <star-hp-l AT lists.bnl.gov> wrote:

Dear Star-hp-l AT lists.bnl.gov members,

Veronica Verkest (vverkest AT gmail.com) has submitted a material for a review, 
please have a look:
https://drupal.star.bnl.gov/STAR/node/63056

Deadline: 2023-03-25
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