STAR HardProbes PWG

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

Hello Tanmay,

Thank you for your reply and modifying your abstract.
I would request you to be present at this week's HP-pwg meeting to 
discuss on your abstract.

Please find my comments below on your updated abstract.

L6-7: "Jets formed from hard parton scatterings early in heavy-ion 
collisions traverse …" ->
"Jets—produced from hard scatterings of partons early in heavy-ion 
collisions—traverse through…"

L16: "…which are expected to spend more time in the QGP medium. " Not 
sure that is true at RHIC. Please rephrase this.

L18: "…observable from 200 GeV pp and Au-Au collisions collected by the 
STAR experiment. " -> "…observable in p+p and Au+Au collisions at $\sqrt 
s_{\rm NN}$ collected by the STAR experiment. "

L19: "We also show fully corrected Girth, … from 200 GeV pp collisions…" 
-> "We also show fully corrected other jet shape observables like Girth, 
… in p+p collisions." Then make a new sentence.
"The exploratory studies of these observables in Au+Au collisions are 
discussed."
(Do not need to mention 200 GeV here as you have mentioned it above 
once)

Cheers
Nihar

On 2022-11-29 12:50, Barbara Trzeciak wrote:
> Hi Tanmay,
>
> it looks good to me. I sign off with a few minor comments.
>
> - L13: since you mention only rho here, I would change "differential
> jet shape" -> "jet shape"
> - L17: will present -> present (to be consistent with the next
> sentence)
> - L20-21:  from 200 GeV STAR pp collisions and exploratory studies of
> these observables from 200 GeV STAR Au-Au collisions. ->  from pp
> collisions and exploratory studies of these observables in Au-Au
> collisions at 200 GeV using the STAR detector at RHIC.
>
> Cheers.
> Barbara
>
> On Mon, Nov 28, 2022 at 11:32 PM Tanmay Pani
> <tanmay.pani.rutgers AT gmail.com> wrote:
>
> > Hi Barbara and all,
> >
> > Thanks for the feedback. Please find them implemented here:
> >
> > TP_HP_abstract_v6.pdf [1]
> >
> > By the different populations I meant that the jets at RHIC will be
> > formed from a different population of partons. I have elaborated a
> > bit on that in the abstract. Please let me know if that's okay.
> >
> > Thanks
> >
> > Tanmay
> >
> > On Mon, Nov 28, 2022 at 4:06 PM Barbara Trzeciak
> > <barbara.trzeciak AT gmail.com> wrote:
> >
> > Hi Tanmay,
> >
> > thanks for the update, the current content looks better to me.
> > Please see below my comments.
> >
> > - Add STAR to the tile
> > - Remove the in-line references
> > - L7:  relative to vacuum or a pp collision baseline. ->  relative
> > to vacuum (pp collisions) baseline.
> > - L11-16: "Previous results from the CMS experiment ... towards
> > quark-like fragmentation of jets in presence of a medium" ->   LHC
> > results showed medium-induced modification of jet shape
> > distributions and bias towards quark-like fragmentation of jets.
> > - L17: what do you mean by "different population" ?
> > - L19-20: We present results fully corrected for detector effects
> > rho(r) observable -> In this talk, we will present measurements of
> > the fully corrected rho(r) observable
> > - L22: remove "initial"
> > - L23: observables from 200 GeV STAR Au-Au collisions -> observables
> > in Au+Au collisions.
> > - L24-25: I would remove the last sentence "Comparisons of results
> > ... "
> >
> > Cheers,
> > Barbara
> >
> > On Mon, Nov 28, 2022 at 7:23 PM Tanmay Pani
> > <tanmay.pani.rutgers AT gmail.com> wrote:
> >
> > I have tried to address your concerns and uploaded the new version
> > of the abstract here:
> >
> > https://drupal.star.bnl.gov/STAR/system/files/TP_HP_abstract_v5.pdf
> >
> > Please let me know of any comments or questions
> >
> > Thanks
> >
> > Tanmay
> >
> > On Mon, Nov 28, 2022 at 11:39 AM Barbara Trzeciak
> > <barbara.trzeciak AT gmail.com> wrote:
> >
> > Ok, now I get.
> > Please make it more clear (specific) in the abstract then.
> >
> > Cheers,
> > Barbara
> >
> > On Mon, 28 Nov 2022, 17:37 Tanmay Pani,
> > <tanmay.pani.rutgers AT gmail.com> wrote:
> >
> > Hi Barbara,
> >
> > Differential jet shape is the \rho(r) variable which shows the
> > distribution of charged particle momentum wrt the jet axis. Our
> > postdoc Joel Mazer showed the preliminaries for the uncorrected
> > results in hard probes 2020. Since I joined rutgers in 2020 we have
> > been working on the corrections to that using dijet embedding.
> > Please refer to Joel’s talk from hard probes 2020 (slides 9-12),
> > for further clarification on this analysis:
> https://indico.cern.ch/event/751767/contributions/3771155/attachments/2048465/3432798/HardProbes2020_JetShapeFF_JoelMazer.pdf
> > PtD, lesub and girth variables are a separate analysis that I have
> > taken over this year.
> >
> > I intend to update Hard probes pwg on the differential jet shapes
> > analysis this week.
> >
> > Please let me know if you have any questions or comments
> >
> > Thanks,
> >
> > Tanmay
> >
> > On Mon, Nov 28, 2022 at 11:08 AM Barbara Trzeciak
> > <barbara.trzeciak AT gmail.com> wrote:
> >
> > Hi Tanmay,
> >
> > I'm bit confused. Which differential jet shape observables fully
> > corrected do you promise for both pp and Au+Au ? I thought we're
> > talking here about Girth, p D T and LeSub. But now in one sentence
> > you say fully corrected in both systems, in the next sentence says
> > that the results are fully corrected only in pp.
> >
> > Cheers,
> > Barbara
> >
> > On Sun, Nov 27, 2022 at 8:32 PM Tanmay Pani
> > <tanmay.pani.rutgers AT gmail.com> wrote:
> >
> > Hi Barbara and Nihar,
> >
> > Thanks for your comments. We have the fully corrected results
> > (corrections applied from the dijet embedding) of differential jet
> > shapes ready for both pp and AuAu, which I will be presenting the
> > coming Thursday to hard probes. However for PtD, LeSub and Girth
> > observables I can promise only pp results fully corrected for now,
> > so I have changed the abstract accordingly.  Please have a look at
> > the updated version and let me know of your comments.
> >
> > TP_HP_abstract_v4.pdf [2]
> >
> > Thanks,
> >
> > Tanmay
> >
> > On Sun, Nov 27, 2022 at 10:40 AM Barbara Trzeciak
> > <barbara.trzeciak AT gmail.com> wrote:
> >
> > Hi Tanmay,
> >
> > I would suggest sticking to p+p results.
> > Corrections for Au+Au will be more challenging, and you're still
> > investigating the p+p case.
> > I think it's better to say that you will show some exploratory
> > studies for Au+Au, not to over promise.
> >
> > Cheers,
> > Barbara
> >
> > On Sun, Nov 27, 2022 at 12:29 PM Nihar Sahoo via Star-hp-l
> > <star-hp-l AT lists.bnl.gov> wrote:
> > Hello Tanmay,
> >
> > As we discussed at last HP-pwg meeting,
> > Are you planning to present both pp and AuAu jet shape observables?
> > and do you think it is feasible to prepare both pp and AuAu results
> > in
> > HP2023 timeline?
> >
> > Please let us know that will help us to give a shape your abstract.
> >
> > Thank you
> > Nihar
> >
> > On 2022-11-22 03:03, Tanmay Pani via Star-hp-l wrote:
> > > Dear all,
> > >
> > > Please find my abstract submission for HP2023 here:
> > https://drupal.star.bnl.gov/STAR/system/files/TP_HP_abstract_v3.pdf
> > > Looking forwards to comments and suggestions,
> > >
> > > Tanmay
> > >
> > > On Mon, Nov 21, 2022 at 4:32 PM webmaster--- via Star-hp-l
> > > <star-hp-l AT lists.bnl.gov> wrote:
> > >
> > > > Dear Star-hp-l AT lists.bnl.gov members,
> > > >
> > > > Tanmay Pani (tp543 AT physics.rutgers.edu) has submitted a material
> > for
> > > > a
> > > > review, please have a look:
> > > > https://drupal.star.bnl.gov/STAR/node/61810
> > > >
> > > > Deadline: 2022-12-05
> > > > ---
> > > > If you have any problems with the review process, please contact
> > > > webmaster AT www.star.bnl.gov
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>
> Links:
> ------
> [1] https://drupal.star.bnl.gov/STAR/system/files/TP_HP_abstract_v6.pdf
> [2] https://drupal.star.bnl.gov/STAR/system/files/TP_HP_abstract_v4.pdf