STAR HardProbes PWG

[tc88qy <tc88qy AT rcf.rhic.bnl.gov>]

Hello Isaac and Yi

 Thanks for your nice suggestions. Please find the new version in the 
same page(v3).

Hi Isaac
 Currently, there are very limited prediction for J/psi polarization in 
three frame.
My understanding is different frame are sensitive to different 
production mechanism.
But theory still do not reach an agreement yet. So I suggest we do not 
have a strong
augment in the abstract before we have some model prediction.

Qian Yang

On 2023-10-06 04:47, Yi Yang via Star-hp-l wrote:
> Hi Qian,
>
> Thanks a lot for the reminder. It is completely missed in my email.
> Sorry about that.
> I think Nihar and Isaac already provided all the comments, I only have
> some minor ones to add.
>   - L10: in the isobar collisions -->  in the Ru+Ru and Zr+Zr (isobar)
> collisions
>   - L17: makes --> make
>
> Cheers,
> Yi
>
> On Thu, Oct 5, 2023 at 11:10 PM Mooney, Isaac via Star-hp-l
> <star-hp-l AT lists.bnl.gov> wrote:
>
> > 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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