STAR HardProbes PWG

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

Hello Andrew,

We, conveners, will discuss with PAC for preparing GPC.

> Unsure of how to mention jet momentum resolution, should we include
> the plot from analysis note in appendix?
This we can discuss during GPC.

> Analysis Note: These figures are expected to be updated as soon as the
> new embedding sample is available.  As the extend of this effect is
> only visible in a few bins in the unfolding sample not converging with
> iteration, this effect is not expected to be large, and will not
> change physics messaging, so i believe that it is reasonable to move
> to GPC before the sample is fully produced, to fully hone the
> messaging.
Do you know the current status of the embedding sample? Once it will be 
available, how long it will take to update the plots and information?

> > In these figures, are these quoted  pt,jet ranges from PYTHIA or the
> > data?; if these are corrected data, then it is ok. Otherwise we need 
> > to discuss in GPC.

What about this question?

Thank you
Nihar

On 2024-04-08 02:52, Andrew Tamis wrote:
> Hello Nihar,
>
> Thank you very much for the comments.  I have implemented them ver
> batim where possible, and more in depth comments follow:
>
> 1. Abstract is too long.  "no more than 600 characters".
> Apologies, This is correct.  I will work on shortening the abstract in
> following drafts, but have not made changes as of now, I will think
> through this and update in the future, as i wanted to push the other
> updates along.  We can also discuss in GPC what information is most
> relevant to keep.
>
> Section 3:
> Yes it is STAR Tune, I have included this now
> Unsure of how to mention jet momentum resolution, should we include
> the plot from analysis note in appendix?  For now I have mentioned
> that it is non-trivial and biases detector-level jets to lower
> momentum.
>
> Summary:
> Have moved discussion about comparison to other experiments to results
> section
>
> Analysis Note: These figures are expected to be updated as soon as the
> new embedding sample is available.  As the extend of this effect is
> only visible in a few bins in the unfolding sample not converging with
> iteration, this effect is not expected to be large, and will not
> change physics messaging, so i believe that it is reasonable to move
> to GPC before the sample is fully produced, to fully hone the
> messaging.
>
> Best,
>
> Andrew
>
> On Fri, Apr 5, 2024 at 1:34 AM Nihar Sahoo <nihar AT rcf.rhic.bnl.gov>
> wrote:
>
> > Hello Andrew,
> >
> > I found time today to go through your nice paper draft on EEC
> > measurement in pp.
> > As I am a pwg representative of your paper, I have to go through
> > again
> > during GPC.
> > So, Here I just have some quick comments, details I may give during
> > GPC
> > discussion.
> > With these address, I sign off.
> >
> > ________________
> > 1. Abstract is too long.  "no more than 600 characters".
> >
> > L25: quantum chromodynamics (pQCD) -> quantum chromodynamics (QCD)
> >
> > L30: "called a jet. Substructure…" You can make another para with
> > "Jet
> > substructure …"
> > Or, from "Recent…"
> > L35 : "…including its transition from a perturbative to
> > non-perturbative
> > scale." -> you need to mention what is this transition in QCD? And
> > what
> > is the scale? Not clear for general readers.
> >
> > L40: "re-lying on advancements such as …" -> sounds incomplete
> > "advancements of '…' such as" ?
> >
> > L40: if we could mention what are "perturbative portion" and
> > "non-perturbative information"? Then that would be good for general
> > reader.
> > L50: N-Point -> N-point
> >
> > L55: need to define "angular (distance) scales, R_L"?
> > L95: Λ_QCD needs to be introduced before. Right place is L35.
> > Also P_T,jet
> > "to lower angles" -> Not clear what angle?
> > L120:  before this line, Better to mention intigrated lumi of this
> > dataset.
> > L135: "with this energy never allowed to go below zero." -> you mean
> > to
> > say that if it is below zero then you don't consider that tower in
> > your
> > full jet reconstruction. But the energy of tower after subtraction
> > may
> > go to zero practically. Is not it?
> >
> > L160: "RL is the angular distance between the two tracks in the
> > pair."
> > Here you are defining again. See L55 comment. Make it consistent.
> >
> > Section.III
> > _ Is this PYTHIA6 a STAR tune?
> > _We need to mention P_T,jet resolution for these three P_T,jet
> > ranges.
> > _You did not discuss about the closure test for this correction
> > procedure.
> >
> > Summary Section.V
> > I would suggest to concise this summary section for PRL so that
> > reader
> > can get the crisp/key points of this measurement.
> > Some discussion and conclusions can be included in Result Section
> > IV.
> >
> > Fig.2,3-> Please increase the label, Title, legend font size
> >
> > In these figures, are these quoted  pt,jet ranges from PYTHIA or the
> >
> > data?; if these are corrected data, then it is ok. Otherwise we need
> > to
> > discuss in GPC.
> >
> > ________ANALYSIS NOTE_
> >
> > -page 5/38:  what is the time line to update pertaining figure in
> > this
> > analysis? As we are going to GPC, it is important to know. how much
> > that
> > will affect the final plots?
> > [same for the other places]
> >
> > Best
> > Nihar
> >
> > On 2024-03-12 02:33, Andrew Tamis via Star-hp-l wrote:
> > > Hello All,
> > >
> > > Ahead of my presentation at the STAR collaboration meeting next
> > week
> > > to request GPC formation for my paper measuring EECs in Run 12 pp
> > data
> > > at sqrt(s) = 200GeV, I am sending my updated paper proposal page,
> > > which now includes an analysis note and paper draft.  Please let
> > me
> > > know if you have any comments.
> https://drupal.star.bnl.gov/STAR/blog/atamis/Paper-Proposal-Measurment-Two-Point-Energy-Correlators-pp-Collisions-Sqrts-200-GeV
> > > Best,
> > > Andrew
> > >
> > > --
> > >
> > > Andrew Tamis
> > > Yale University
> > > Graduate School of Arts and Sciences
> > > Department of Physicsandrew.tamis AT yale.edu
> > > _______________________________________________
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> > > Star-hp-l AT lists.bnl.gov
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