STAR HardProbes PWG

[Youqi Song <youqi.song AT yale.edu>]

Hi Nihar,

Thanks for the comments. I've uploaded a newer version on drupal. Please also find my response to your comments below.

L9-10: "Compared to the jets at the LHC, jets produced in … large
non-perturbative contributions." -> I understand what you want to say
here. But we need to be careful while mentioning this type of sentence.
It depends upon what kinematic range and what observables, etc. So it is
naive to write this sentence. Please either be specific or rephrase this
sentence.

I've made this statement weaker to "Compared to the jets at the LHC, jets produced in $\sqrt{s} = 200$ GeV $pp$ collisions at STAR have lower transverse momenta and are therefore more susceptible to non-perturbative effects." I think it is in line with the statement "Jets in the transverse momentum range accessible at RHIC energies are more susceptible to non-perturbative effects such as hadronization effects by virtue of their lower momenta." from this STAR paper https://arxiv.org/pdf/2003.02114.pdf

L17-19: "We continue our exploration of multi-dimensional jet
substructure observables, measuring a newly proposed observable, the
CollinearDrop groomed jet mass, while also utilizing a novel machine
learning method, MultiFold, to correct for detector effects." -> "We
measure a newly proposed multi-dimensional jet substructure
observable—the CollinearDrop groomed jet mass. A novel machine learning
method, known as Multifold, is used to correct these observables for the
detector effect."

 I think it wouldn't hurt to have a sentence like "We continue our exploration of multi-dimensional jet substructure observables", since it connects what I have before the sentence about the previous multi-dimensional measurements at STAR, to what I am going to present. I also restructured this part a bit, since I realize that I need to describe collinear drop ("has an enhanced sensitivity to the soft radiation within jets") when I introduce it.

Best,

Youqi

On Wed, May 10, 2023 at 9:09 AM Nihar Sahoo via Star-hp-l <star-hp-l AT lists.bnl.gov> wrote:

Hello Youqi,

Please find my comments on your nice abstract.


L9-10: "Compared to the jets at the LHC, jets produced in … large
non-perturbative contributions." -> I understand what you want to say
here. But we need to be careful while mentioning this type of sentence.
It depends upon what kinematic range and what observables, etc. So it is
naive to write this sentence. Please either be specific or rephrase this
sentence.
L10-11: "The jet substructure measurements at STAR therefore offer
important complementary information to those at the LHC." -> "The jet
substructure measurements in the STAR experiment, therefore, offer
important information about different regimes of quantum chromodynamics
at RHIC energy."
L15: "…observables, including…" -> "    observables including "
L17-19: "We continue our exploration of multi-dimensional jet
substructure observables, measuring a newly proposed observable, the
CollinearDrop groomed jet mass, while also utilizing a novel machine
learning method, MultiFold, to correct for detector effects." -> "We
measure a newly proposed multi-dimensional jet substructure
observable—the CollinearDrop groomed jet mass. A novel machine learning
method, known as Multifold, is used to correct these observables for the
detector effect."

At the end, you may consider to add one sentence on what MC models you
want to compare with the data to draw physics conclusion.


Cheers
Nihar




On 2023-05-09 23:38, webmaster--- via Star-hp-l wrote:
> Dear Star-hp-l AT lists.bnl.gov members,
>
> Youqi Song (youqi.song AT yale.edu) has submitted a material for a review,
> please have a look:
> https://drupal.star.bnl.gov/STAR/node/63675
>
> Deadline: 2023-05-15
> ---
> If you have any problems with the review process, please contact
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