STAR HardProbes PWG

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

Hi Yi

Thanks for your sign-off.

Hi Isaac
Do you have any further comments? If no. Can you help forward my slides 
to STAR-talk mail list?

Qian Yang

On 2023-10-07 05:00, Yi Yang wrote:
> HI Qian,
>
> Thanks a lot for the updated version. I don't have any more comments
> on it.
>
> Cheers,
> Yi
>
> On Fri, Oct 6, 2023 at 6:51 PM tc88qy <tc88qy AT rcf.rhic.bnl.gov>
> wrote:
>
> > 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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> > [1]
> > > > [1]
> > > > Deadline: 2023-10-10
> > > > ---
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