STAR HardProbes PWG

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

Hi Nihar,

Thank you for the suggestions, please find the new draft below:

https://drupal.star.bnl.gov/STAR/presentations/Hard-Probes-2023/Measurement-semi-inclusive-gammajet-and-hadronjet-distributions-heavy

> L2:Title: …heavy-ion collisions at 200 GeV  -> …heavy-ion collisions
> at $\sqrt s_{\rm NN}$ = 200 GeV
> In Abstract:
> probe medium-induced jet -> probe the medium-induced jet
> "…jet acoplanarity, as well as…" -> "…jet acoplanarity as well as…"
> L10: A Jet can be defined as a collimated spray -> Jet is a collimated 
> spray …

Done.

> L12:"However, in heavy-ion collisions with … medium[1]" -> Rephrased
> this sentence. Syntax is not correct. Suggestion: First introduce QGP
> then mention what is jet quenching.
> L14: "the radiation inside jet cone can lead to jet substructure
> modification, " -> this is not a correct statement.
> L15: "while radiation outside jet cone can cause jet energy loss. " ->
> This is incorrect.
> L16: "Moreover, …., referred to as acoplanarity.  -> Meaning is
> unclear. Mention what are the possible reason(s) for jet acoplanarity?

We already rephrased the paragraph.

> L17: In this study, we calculate… -> Break this sentence and rephrase 
> it.
> p_T -> $p_{\rm T}$ all places

Done.

> L19-22: This sentence is not correct exactly. Correct and rephrase 
> this.
> Especially "…can be directly computed as the ratio of cross-sections
> in AA  and pp collisions [3]." What cross-section? This is not a
> cross-section measurement.

We already rephrased the sentence.

> Eq-1: In this equation change the text, like "h", "X", "jet", "ch",
> "T, trig", as roman (Italic we use for that has a value).
> Use this same for Eq.3
> L25-26: Mention "as a function of p_{\rm T, jet}^{\rm ch}" in the text
> and also put this in the equ. 2

Done.

> L29: "Direct photon(𝛾𝑑𝑖𝑟 ) triggers " -> what is direct photon trigger?

We use Direct photon $\gamma_{\rm dir}$ (isolated direct photon) 
triggers instead.

> L37: "the spectrum shapes of 𝛾𝑑𝑖𝑟 +jet and 𝜋0+jet differ due to their
> respective production  channels. " -> This is not a correct statement.
> L38: "𝛾𝑑𝑖𝑟 +jet spectrum …" -> what is "𝛾𝑑𝑖𝑟 +jet spectrum "?
> L38-39: "Based on all …. Different" -> Not clear sentence. Rephrase 
> this.

We removed the sentence and the paragraph is modified accordingly.

> L40: "As previously mentioned, …" -> It is not mentioned previously.
> What is mentioned?
> "          angular studies on recoil jet distributions. " -> what are angular
> studies? Not clear.

Done.

> L41-42: This sentence is not correct. What is "various factors"?

We include "such as jet energy loss, jet substructure modification, or 
medium-induced jet acoplanarity."

> Eq.3 is not correct. Write the correct equation what we measured and
> plotted along Y-axis.

Done.

> L59: "trigger energies " -> Need to specify what is trigger energy?
> You have not discuss before.
> L60: "... the Barrel Shower Max Detector (BSMD). " -> Barrel Shower
> Maximum Detector (BSMD)
> L61:"Datasets analyzed here are p+p, Au+Au, Zr+Zr and Ru+Ru collisions
> at …" -> In these proceedings, the p+p, Au+Au, Zr+Zr and Ru+Ru
> collisions at sqrt(s_NN)= 200 GeV datasets, taken in 2009, 2014, and
> 2018, respectively, are analyzed"

Done.

> L63: "𝛾𝑑𝑖𝑟 and 𝜋0 triggers " -> discuss what is "𝛾𝑑𝑖𝑟 and 𝜋0 triggers 
> "?
>                 using transverse energy -> with transverse energy
>                 < 0.9 as criteria. -> " … < 0.9. "
>
> L65: "… Shower Profile (TSP) method with the BSMD." -> "…     Shower
> Profile (TSP) method as discussed in [5]."  [cite STAR PLB
> gamma+hadron paper]
> L65-68: "Since ….and pi0" -> for these proceedings, this explanation
> is not required. The citation 6 is enough here. Drop these sentences.

Done.

> L70-> Mixed-event -> mixed-event
> L73: "             which all tracks are uncorrelated. " -> uncorrelated to 
> what?
>
> _ In Analysis section, you did not discuss about your own analysis on
> Isobar collisions.
> Put a separate para, and discuss what cuts, high pT hadron range, and
> other information you have used for your isobar analysis. You should
> highlight your analysis too.
> _ You do not discuss about jet R used for gamma, pi0, and your isobar
> hadron. Discuss it.

Done.

> L78: "… corrected 𝛾𝑑𝑖𝑟 +jet and 𝜋0+jet spectra, " -> Not clear what is
> "gamma+jet and pi0+jet spectra"?

We use "semi-inclusive $\gamma_{\rm dir}$ and $\pi^{0}$ triggered recoil 
jet yields" instead

>         their relative suppression to vacuum -> Not clear what suppression?
> And suppression in what relative to what? Rephrase this.
> L80: "𝐸𝑇 bins for 𝜋0 " -> Need to produce trigger Et like 
> $E_{\rmT}^{\rm trig}$.
> L81: Dark band represent  -> Dark band represents
> L82:    Light band indicate ->       Lighter band indicates
> L82-83:         tracking efficiency is also a part of Unfolding. So no need
> to mention it.
> L83:    𝐼𝐴𝐴 are consistent… ->       𝐼𝐴𝐴 is consistent between gamma_dir+jet
> and pi0+jet, within uncertainty.

Done.

> L84: "given the different shapes of their spectra," ->It is not clear
> what spectra?
> L85: "…it implies that the energy loss for these two triggers is
> different." -> Due to different Q^2 it would be difficult to say this.
> So this statement is not correct.
> in all energy bins, -> Not clear
> for 𝑅 = 0.2 are  ->          for 𝑅 = 0.2 is ;
> Most of its pT range -> mention pT range of what?
> Better split the sentence L85-86
> L87: 		recovered at larger angle. ->  recovered within larger cone 
> size.
> Fig.1 Caption: collisions, with 𝑅 = 0.2 …-> collisions with 𝑅 = 0.2…
> L89: "calculated by Pythia8 MONASH tune " -> from PYTHIA-8 Monash tune
> L90:    which reflects energy profile within the jets.  -> what is
> "energy profile"? Rephrase it or just drop it.
> L91: this ratio is additionally suppressed -> this ratio is less than
> that of pp [Note: this is not a "suppression" like IAA or RAA]
> L93:The enhanced inter-jet broadening in medium -> what is "enhanced
> inter-jet broadening" ?

We dropped several sentences, the paragraph is modified.

> You did not define what "Delta phi" before. Define somewhere.
> L94: Pythia ->PYTHIA
> L97: significant enhancement in yield -> excess yield at \Delta\phi ~ 
> pi/2
> L102:in relative smaller ->  in relatively smaller
> L103: jet quenching study in smaller and larger collision systems ->
>         jet quenching study between smaller and larger collision systems
> shows raw spectra ->         shows the raw spectra
> L105:background-dominated negative ->        background dominated negative

Done.

> Fig.4: Why there is no "STAR Preliminary" label?

It's a non-physics plot, we didn't request for Preliminary.

> L111: For the jet energy loss study, we report -> We report…
> L112:And we also calculate recoil jet yield ratio between 𝑅 = 0.2 and
> 0.5 which demonstrate intra-jet broadening.  -> The ratio of recoil
> jet yield between R=0.2 and 0.5 shows the intra-jet broadening in
> heavy-ion relative to p+p collisions.

Done.


Best,
Yang