STAR HardProbes PWG

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

Hi Nihar,

Thanks for the comments. I have updated a new draft on drupal https://drupal.star.bnl.gov/STAR/system/files/DIS_Proceedings_062823.pdf. Regarding this comment:

L9: CollinearDrop -> collinear drop [ all places] But not sure why you
introduce this style. In literature, I don't see this.

 

I (actually this is Isaac's idea) introduced this style so that it is consistent with the style for SoftDrop. Is that ok?

Best,

Youqi

On Tue, Jun 27, 2023 at 1:32 AM Nihar Sahoo via Star-hp-l <star-hp-l AT lists.bnl.gov> wrote:

Hello Youqi,

Please find my comments on your nicely written DIS23 proceedings.


Abstract:
L9: CollinearDrop -> collinear drop [ all places] But not sure why you
introduce this style. In literature, I don't see this.
L10: …method, MultiFold, and … -> …method—MultFold—and…

1. Introduction:
L21:    final-state particles  -> final-state hadrons
high-momentum-transfer  -> high-momentum transfer
L30: y1 and y2 are the -> y_{1,2} are the …
L38: "…with small θ, or large θ and large z. " -> Can you please check ?
If it is correct; as in this analysis we use beta=0; then by definition
small or large theta from SoftDrop.
L40:"…theoretically [9] (and the references within)," ->        "…theoretically
[9],…"
L45-47: "…which reduces the …and pileup." -> …which reduces the
collinear contributions from the splitting, the wide-angle contributions
from the initial-state radiation (ISR), underlying event (UE), pileup as
well as hadronization."
L50: ISR, UE and pileup  ->     ISR, UE, and pileup
L51: "Assuming that the QCD parton shower is angular ordered, .." -> Not
sure why it is assumed? All QCD parton showers in vacuum are angular
ordered (it can be space-like or time-like). Am I misunderstood here?
"As the QCD parton shower in vacuum is angular ordered,…" is not it
correct?
L53: On the other hand, the opposite of CollinearDrop, SoftDrop, will
then capture… -> Unlike collinear drop, SoftDrop captures … ->
L55:    can help illustrate ->  can help illustrating
Eq.5: p_T^2 is not clear. Please mention in the text. Not introduced
yet.
L62: jet mass, to  -> jet mass to
L63:    radiation; we also ->   radiation. We also
L65: …Rg and zg, to study the dynamics of the parton shower. ->"… Rg and
zg."  [Not needed "to study…" as you mentioned before]
L70: neutral energy towers      are reconstructed from the Barrel
Electro-Magnetic Calorimeter (BEMC).
-> neutral particles are reconstructed from the Barrel Electro-Magnetic
Calorimeter (BEMC) towers.
L71:            Same quality selections … -> what is "same quality selection"?
Please mention explicitly or "The same event, track, and tower
selections …"
L72: Events selected have a primary vertex location … ->                Events are
selected within $\pm$30 cm from…beam axis, and passed the jet patch…
  L76:          (0.2 < ET < 30 GeV), using ->           (0.2 < ET < 30 GeV) using [no
","]
L77: "          neutral pT  scalar sum fraction < 0.9, " -> what is "neutral pT
scalar sum fraction < 0.9,"?
L81: "…pT of the jet constituent i, "-> "…pT of the ith jet
constituent,"
L82:            to be compared with -> to compare with the
L83:            uses Bayesian -> uses the Bayesian …
L96:            using either MultiFold or RooUnfold -> using both  MultiFold and
RooUnfold . [As you are showing comparisons using two methods]
L101:           it is accounted for through simultaneous reweighting of ->              it
is accounted for simultaneous reweighting of …
L102: observables, based on prior ->            observables based on prior

Results:
L104:           jets in -> jets within
L105: The error bands indicate systematic uncertainties. -> drop this
sentence. And Put in the caption of Fig.2
L126: …perturbative DGLAP splitting function goes as 1/z ->
…perturbative DGLAP splitting function follows 1/z behavior.

Conclusions:
I would suggest to include one sentence on "MultiFold" and "RoounFold"
comparison based on fig.1. It is important.


Best
Nihar







On 2023-06-23 04:01, webmaster--- via Star-hp-l wrote:
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>
> 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/64115
>
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