STAR HardProbes PWG

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

Hello Tristan,

I sign off.

Cheers
Nihar

On 2022-07-25 01:02, Tristan Protzman wrote:
> Hello Nihar,
>
> Thank you for your comments.  I have adjusted the statements you
> mentioned.
>
> L16: v_{2}^{ch jet} -> v_{2}^{jet}  [you don't need to mention "ch
> jet"
> as you have mentioned using "charged jet" in that sentence, this is
> fine]
>
> I would like to keep this as v_{2}^{ch jet}, both to stay consistent
> with the ALICE result (1509.07334.pdf (arxiv.org) [1]) and because I
> may in the future measure v_{2}^{jet} using full jets.
>
> Cheers,
> Tristan
>
> On Sun, Jul 24, 2022 at 1:04 PM Nihar Sahoo <nihar AT rcf.rhic.bnl.gov>
> wrote:
>
> > Hello Tristan,
> >
> > Please find my following suggestions.
> >
> > L11: "…observables, including dihadron correlations and dijet
> > asymmetry." -> "…observables, such as dihadron correlations, dijet
> >
> > asymmetry, etc.
> >
> > "Another approach to  measure jet quenching effects is to determine
> > the
> > anisotropy of the distribution of jets with respect to the event
> > plane."
> > I would suggest to modify your sentence like
> > "Nevertheless, the path length dependence of jet quenching can be
> > studied by measuring the anisotropy of the jet distributions with
> > respect to the event plane in heavy-ion collisions."
> > Then your next sentence "Due to the approximately elliptical …"
> > comes
> > coherently in a flow.
> >
> > L16: v_{2}^{ch jet} -> v_{2}^{jet}  [you don't need to mention "ch
> > jet"
> > as you have mentioned using "charged jet" in that sentence, this is
> > fine]
> >
> > L17: "Zr+Zr systems."-> "Zr+Zr collision systems."
> >
> > L19-21:"The EPD enables this measurement by allowing the event plane
> > to
> > be determined in the forward region, creating a gap in rapidity from
> >
> > where jets are found which  reduces autocorrelation effects with
> > respect
> > to the event plane determination."
> > -> I would rephrase this.  "The EPD enables the determination of the
> >
> > event plane in the forward rapidity, whereas jets are measured at
> > the
> > mid-rapidity that mitigates the autocorrelation to the jet
> > measurement
> > in STAR."
> >
> > cheers
> > Nihar
> >
> > On 2022-07-24 21:38, Tristan Protzman wrote:
> > > Hello Nihar,
> > >
> > > Thank you for the helpful feedback on my abstract.  I have
> > implemented
> > > your suggested improvements, apart from the following:
> > >
> > > L11: "Another approach to measuring jet quenching effects is to
> > > determine the anisotropy of the distribution of jets…" This is
> > > inaccurate, generally we don't measure jet v2 to study directly
> > > jet-quenching effect rather it is the manifestation of jet-medium
> > > interaction which gives jet-quenching effect and jet anisotropy.
> > So it
> > > needs some modification, Please rephrase this.
> > > Something like " The jet anisotropy measurement with respect to
> > the
> > > event plane sheds light on the jet-medium interaction in heavy-ion
> > > collisions."
> > >
> > > My understanding is that the specific jet-medium response which is
> > > probed by jet v2 is the path-length dependence of jet-quenching,
> > thus
> > > it would be valid to make the direct comparison.  If this is
> > > inaccurate I would be happy to rephrase it, but if not I would
> > prefer
> > > to keep it as is.
> > >
> > > An updated draft has been uploaded to Drupal.
> > >
> > > Cheers,
> > > Tristan
> > >
> > > On Thu, Jul 21, 2022 at 5:09 AM Nihar Sahoo via Star-hp-l
> > > <star-hp-l AT lists.bnl.gov> wrote:
> > >
> > > > Hello Tristan.
> > > >
> > > > I request you to present your this new analysis regularly in
> > HP-pwg.
> > > > Please find my comments on your nice abstract.
> > > >
> > > > L6: "...Early in the collision evolution,…" -> "...Early in the
> > > > collision,…"
> > > > L7: "…  will produces …" -> "produces" ;
> > > > "…the QGP,.." -> "…the Quark-Gluon Plasma (QGP),…"
> > > > L8: "…fragment and hadronize to form a collimated collection of
> > > > final
> > > > state particle." -> …fragment, and hadronize to form a
> > collimated
> > > > spray
> > > > of final state particle."
> > > > L9-10: "…collisional  and radiative processes." ->
> > "…collisional
> > > > and
> > > > radiative energy loss."
> > > > L10: observables, including -> observables including
> > > > L11: "Another approach to measuring jet quenching effects is to
> > > > determine the anisotropy of the distribution of jets…" This is
> > > > inaccurate, generally we don't measure jet v2 to study directly
> > > > jet-quenching effect rather it is the manifestation of jet-medium
> > > > interaction which gives jet-quenching effect and jet anisotropy.
> > So
> > > > it
> > > > needs some modification, Please rephrase this.
> > > > Something like " The jet anisotropy measurement with respect to
> > the
> > > > event plane sheds light on the jet-medium interaction in
> > heavy-ion
> > > > collisions."
> > > > L13: "…elliptical shape of the QGP " -> "…elliptical shape of
> > > > the
> > > > initial geometry …"
> > > > L14: "…expect to measure more jets …" -> "…expect more
> > > > jets…"
> > > > L15: need to define  v_2^{jet} and v_2^{ch jet}
> > > > L16: "…using track jets …" -> "…using charged jets.."
> > > > L17: " system, which are isobars of each other. " -> "…system."
> > > > Rest is
> > > > not needed.
> > > >
> > > > Cheers
> > > > Nihar
> > > >
> > > > On 2022-07-20 18:43, webmaster--- via Star-hp-l wrote:
> > > > > Dear Star-hp-l AT lists.bnl.gov members,
> > > > >
> > > > > Tristan Protzman (tlp220 AT lehigh.edu) has submitted a material
> > for
> > > > a
> > > > > review,
> > > > > please have a look:
> > > > > https://drupal.star.bnl.gov/STAR/node/60350
> > > > >
> > > > > ---
> > > > > If you have any problems with the review process, please contact
> > > > > webmaster AT www.star.bnl.gov
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>
>
> Links:
> ------
> [1] 
> https://urldefense.com/v3/__https://arxiv.org/pdf/1509.07334.pdf__;!!P4SdNyxKAPE!GJjIzld2oVkj9ODX0Yh1v-QJBKQ7HMiL19Yyy7l8l16bACiCAIcnX6btzZ16wFMxo6qe9VFUnZztgIN1_FI9Rw8$