STAR HardProbes PWG

["Mooney, Isaac" <isaac.mooney AT yale.edu>]

Hi Qian,

Sorry for the delay — I just got back from my honeymoon. I have some minor comments on your abstract below.

Thanks,

Isaac

General: I agree with Nihar that "J/psi" appears very frequently (10 times in the body) which gets repetitive. Some can be switched out for "its", e.g. "Its strong suppression and zero second-order..."

2. "the STAR experiment"

10. "isobar (Ru+Ru and Zr+Zr) collision system" [can also then just say "isobar" on l. 22.]

11. "at the STAR experiment at RHIC" or just "at the STAR experiment"

12. 

Remove "Beside,"

The sentence starting on line 12 is vague. I think you meant the next two sentences after it to flesh out what you say here. But in that case, "Moreover," is confusing because it reads like you're moving on to an additional point rather than filling in details on the claim you just made. Otherwise, if you intend them to be separate points, then the line 12 sentence doesn't add much substance.

20. 

"collisions"

I would recommend explaining why these three frames are necessary rather than just a single one, since I think you have some space.

22.

"and Zr+Zr collisions"

"its" -> "their"

On Oct 5, 2023, at 9:05 AM, tc88qy via Star-hp-l <star-hp-l AT lists.bnl.gov> wrote:

Hello Convenors,

It has been 10 days since I submit the abstract. Can you send out your comments? So we can move forward.

Qian Yang

On 2023-09-28 21:22, tc88qy via Star-hp-l wrote:

Hello Nihar,
Thanks for your sign-off. It has been updated.
Qian Yang
On 2023-09-28 17:42, Nihar Sahoo wrote:

Hello Qian,
Please rephrase that sentence as,
L14: Moreover, it has been predicted that J/ψ spin can be aligned by
the spin-orbit coupling of J/ψ and QGP’s large angular momentum in
non-central heavy-ion collisions.
-> "Moreover, it has been predicted that J/ψ spin could align in the
direction of large angular momentum produced in non-central heavy-ion
collisions due to the spin-orbit coupling of J/psi. "
With this implemented, I sign off.
Best
Nihar
On 2023-09-28 11:56, tc88qy wrote:

Hello Nihar，
I do not have strong reason for that. And I corrected it in the same link.
Please look at it .
Thanks,
Qian Yang
On 2023-09-28 14:19, Nihar Sahoo wrote:

Hello Qian,
Thank you for implementing some of my comments.
I have a follow up comment that I find you have not addressed.

_ J/ψ can be polarized by… -> in the spin alignment context better to
say "J/ψ spin aligns in the direction of global angular momentum due
to spin-orbital coupling"
Better avoid mixing "J/psi polarization" and "J/psi spin alignment" in the text.

I find you keep the same "J/ψ can be polarized by the spin-orbit
coupling " (L14).
My suggestion was not to mix "polarized" in the context of "the
spin-orbit coupling"; they are two physics topics and we need to make
sure they should not be mixed in the text.
Better to use "aligned" like spin is aligned.
Let me know if you have a strong reason for it.
Best
Nihar
On 2023-09-28 10:57, tc88qy wrote:

Hello Nihar,
 Thanks for your carefully reading and suggestions.
I keep "Ru +Ru and Zr+Zr" in the title. It would be more friendly to
those people not from STAR experiment to know the collision system
directly.
Other than that I have implemented all your suggestions in the new
version (v2).
Thanks
Qian Yang
On 2023-09-27 14:42, Nihar Sahoo via Star-hp-l wrote:

Hello Qian,
Please find my comments on your abstract.
Title: You can shorten a bit.
"Measurements of J/ψ polarization and global spin alignment in Ru+Ru
and Zr+Zr collisions at √sNN = 200 GeV from STAR experiment" ->
"Measurements of J/ψ polarization and global spin alignment in isobar
collisions at √sNN = 200 GeV by STAR"
"J/psi" has been used many instances in this abstract. Please avoid.
L9: "…suppression of J/ψ and zero J/ψ v2 …" -> suppression of J/ψ and
its zero second order flow coefficient ...
L12: "Beside J/ψ nulcear modification factor and J/ψ azimuthal
anisotropy observable, the J/ψ polarization…" -> "Besides, the J/ψ
polarization could provide additional information about the QGP
properties and its production mechanism in heavy-ion collisions.
[No need to repeat again, already mentioned in previous sentence; and
"a new degree of study" doesn't sound good]
L14-18: "it has been hypothesized…in early stage. -> This entire
sentence sounds complicated. Can you please split it?
Suggestion:
_ hypothesized -> predicted
_ J/ψ can be polarized by… -> in the spin alignment context better to
say "J/ψ spin aligns in the direction of global angular momentum due
to spin-orbital coupling"
Better avoid mixing "J/psi polarization" and "J/psi spin alignment" in the text.
L22: will be present -> are reported
Best
Nihar
On 2023-09-27 09:01, webmaster--- via Star-hp-l wrote:

Dear Star-hp-l AT lists.bnl.gov members,
Qian Yang (tc88qy AT rcf.rhic.bnl.gov) has submitted a material for a review,
please have a look:
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