STAR HardProbes PWG

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

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:
> > > https://drupal.star.bnl.gov/STAR/node/65290
> > >
> > > Deadline: 2023-10-10
> > > ---
> > > If you have any problems with the review process, please contact
> > > webmaster AT www.star.bnl.gov
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