STAR HardProbes PWG

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

Hello Sijie,

 Nice abstract, I sign off

Qian Yang

On 2024-10-18 02:49, Mooney, Isaac wrote:
> Hi Sijie,
>
> Thanks for considering my comments. Please see one more comment,
> below. With this implemented, I sign off.
>
> -Isaac
>
>  10. “it is absent in smaller p+A collisions, either because the
> medium is not formed, or its temperature or lifetime is too low to
> cause jets to lose much energy"
>
> > On Oct 17, 2024, at 13:31, SijieZhang <sijiezhang AT mail.sdu.edu.cn>
> > wrote:
> >
> > Hi Isaac,
> >
> > Thank you for your suggestion! I agree that jet+h is interesting and
> > could provide valuable insights. If the opportunity arises, I’ll
> > consider exploring it further.
> >
> > I have uploaded a new version, which can be found here:
> >
> > https://drupal.star.bnl.gov/STAR/system/files/APS_abstract_v3.pdf
> >
> > Thanks,
> > Sijie
> >
> > From: "Mooney, Isaac" <isaac.mooney AT yale.edu>
> > Date: 2024-10-17 04:26:10
> > To:"star-hp-l AT lists.bnl.gov" <star-hp-l AT lists.bnl.gov>
> > Subject: Re: [[Star-hp-l] ] STAR presentation by Sijie Zhang for APS
> > Spring 2025 Global Physi... submitted for review>Hi Sijie,
> > > I’m happy to see the OO data being used, as there was
> > considerable interest at Hard Probes this year. In particular, I
> > talked to Aleksas, who was presenting this work:
> > https://indico.cern.ch/event/1339555/contributions/6040954/ (shame
> > the pdf isn’t posted). He was arguing actually that jet+h would be
> > even more interesting than h+jet results in OO. Although this
> > question isn’t necessarily related to the abstract, have you
> > thought about looking into this as well, e.g. for Quark Matter?
> > > As for comments on your nice abstract, please see below.
> > >
> > > Title: “...jet yield measurements in…"
> > >
> > > 10. Here I would talk a bit more about the effect that decreasing
> > system size is expected to have on the medium (e.g. smaller, colder,
> > etc.) so it’s clear to a reader that it wasn’t an experimental
> > surprise that we don’t see anything in small systems (in the hard
> > sector).
> > > 12.
> > > “provide”
> > > “pinpoint the critical system size for the onset of jet
> > quenching” should be reworded. A given system (OO) cannot pinpoint
> > the onset of jet quenching — it would require at least two. Also,
> > the word “critical" is a bit misleading here, as it might evoke
> > critical behavior of the medium in the reader’s mind, whereas the
> > absence of jet quenching in a system can tell us at most that the
> > medium is small/cold/fleeting enough not to modify jets within
> > precision, or that the effect it has is small compared to cold
> > nuclear matter effects, which is a different question than
> > existence/non-existence. I would suggest simply: “...200 GeV
> > bridge the gap between these small and large systems.” since your
> > previous and last sentence already make your case anyway.
> > > 14. “first measurement of jet quenching” is skipping a step.
> > Semi-inclusive / inclusive jet yields and their ratio is the
> > measurement; jet quenching is the (possible) physical cause of the
> > (potential) yield modifications.
> > > 18. I understand why you wrote this, but I would remove the last
> > clause “and are complementary…”. Of course it will be great to
> > see OO results at LHC energies as well, and compare to the extent
> > possible. However, I think your abstract should highlight that these
> > data are unique in the world for the near future, and yours would be
> > the first measurement of its kind to be done in OO anywhere. When
> > the LHC has taken OO data in 2025, they can write in their abstracts
> > that they are complementary to existing measurements at RHIC.
> > > General: "semi-inclusive hadron+jet" and “event mixing
> > technique” are fairly compact jargon. If you have space, I would
> > recommend unspooling these a bit, e.g. “jets recoiling from
> > high-momentum hadron triggers” for the first one.
> > > Thanks,
> > > Isaac
> > >
> > > On Oct 13, 2024, at 11:15, webmaster AT star.bnl.gov wrote:
> > >
> > > Dear Star-hp-l AT lists.bnl.gov members,
> > >
> > > Sijie Zhang (sijiezhang AT mail.sdu.edu.cn) has submitted a material
> > for a
> > > review, please have a look:
> > > https://drupal.star.bnl.gov/STAR/node/69372
> > >
> > > Deadline: 2025-03-16
> > > ---
> > > If you have any problems with the review process, please contact
> > > webmaster AT www.star.bnl.gov