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star-fcv-l - Re: [Star-fcv-l] STAR presentation by Vipul Bairathi for ICHEP 2022 submitted for review

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Subject: STAR Flow, Chirality and Vorticity PWG

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  • From: vipul <vipul AT rcf.rhic.bnl.gov>
  • To: subhash <subhash AT rcf.rhic.bnl.gov>
  • Cc: "STAR Flow, Chirality and Vorticity PWG" <star-fcv-l AT lists.bnl.gov>
  • Subject: Re: [Star-fcv-l] STAR presentation by Vipul Bairathi for ICHEP 2022 submitted for review
  • Date: Mon, 27 Jun 2022 17:11:07 +0530

Dear Subhash,

Thank you for your comments.

Please find updated slides in the following link:
https://drupal.star.bnl.gov/STAR/system/files/Vipul_ICHEPtalk2022_v2.pdf

Thanks,
With Regards,
Vipul

On 2022-06-26 21:01, subhash wrote:
Dear Vipul,

I sign off with two minor comments:

slide#3: strange hadrons gives direct --> "direct" seems to be hidden
under the isobar cartoon. Please check.
slide#6: 1st bullet, for V0 reconstruction, you can probably mention
reconstruction method: KFParticle or Traditional topological cuts
using Helix method.

Thanks and regards,
Subhash

On 2022-06-24 08:51 PM, vipul via Star-fcv-l wrote:
Dear Prithwish,

Thank you very much for your comments and suggestions. We have updated
the presentation with these.
https://drupal.star.bnl.gov/STAR/system/files/Vipul_ICHEPtalk2022_v1.pdf

Please find my reply to questions inline below.

Thanks,
With Regards,
Vipul

On 2022-06-23 01:21, Prithwish Tribedy via Star-fcv-l wrote:
Dear Vipul,
Nice slides, please consider my following comments. With these
included I sign off.

General comments:
Put a comment on the errorbars on each slide showing the plots like
you do on slide#13. Specify if only statistical errors are plotted.
References: Use the standard format, such as "M. S. Abdallah et al.
(STAR Collaboration) Phys. Rev. C 105, 014901". Cosmetic suggestion:
it would be good to use similar color for the references (say blue).


Slide#2: "ΨR" --> "Ψ_R"
Slide#2: "stage of" --> "stages of"

Slide#3: How about this: "System size dependence of the azimuthal
anisotropy" --> "System size dependence of the azimuthal
anisotropy by comparing isobars, Cu+Cu, Au+Au and U+U"
Slide#3: "STAR, Phys. Rev. C 105 (2022) 14901" --> "M. S. Abdallah et
al. (STAR Collaboration) Phys. Rev. C 105, 014901"

Slide#4: "Approximately 1.3 B events have been analys(z)ed" -- Not
clear, is this for each species ?
total events are 1.3 B (Ru+Ru plus Zr+Zr).
We have updated the slide with analysed events individual for each system now.

Slide#4: Somewhere on this slide or later you need to add a comment on the
sources of systematics for this analysis.

Slide#5: "φi --> φ_i"
Slide#5: "two different windows" --> "two different pseudorapidity windows"
Slide#5: In the third bullet add "using η-sub event approach". An
average sign <..> is missing in this equation inside "√".
Slide#5: In the legend of the figure: "Ψ_2<....>0.05<|η|<1.0" --> "Ψ_2
(0.05<|η|<1.0)", remove the space and put parentheses.

Slide#6: Can we make the figures bigger?
Yes. We have increased the size of figures.


Slide#7: "with a function" --> "with a Fourier fit function"
Slide#7: what is the rapidity window for these results ?
The rapidity window is added to the plots.

Slide#10: Why the acceptance for φ is different from that of Ξ ?
According to slide 8, don't we have φ meson results for |y|<1 ? Is
this a typo ?
No. It's not a typo, for current results phi-meson rapidity window is
|y| < 0.5 and for other particles it is |y| < 1.0.
Later, we will do phi-meson analysis also in the same |y| < 1.0.



Slide#11: The rapidity window should be mentioned.

Slide#12: I realized that the legends for the black dashed lines are
missing in the plots, we can add them next to the numbers in the blue.
Slide#12: Looking at the numbers for Λ, I see that the ratio is about
2% which is larger from what we saw in STAR isobar paper for charged
hadrons (~1%) in mid-central events. We need to understand this. Can
you remind me how were the systematic errors propagated in the ratio?
We first added statistical and systematic uncertainties in quadrature
for the v2 results then for the ratio, we have propagate error
according to the standard error propagation formula (assuming
independent measurements for different systems).

Slide#12: "May indicate larger nuclear deformity
in Ru than in Zr nucleus" --> "May indicate nuclear shape and
structure difference between the two isobars"


Slide#13: "*Error bars..." -- Good, add such comments on other slides as well.
Slide#13: Polish the last bullet to indicate that there are large systematics.

Slide#14: "May indicate higher deformation in Ru than in Zr nuclei"
--> "May be related to nuclear shape and structure difference between
the two isobars"


Best,
Prithwish








On 2022-06-22 11:00, webmaster--- via Star-fcv-l wrote:
Dear star-fcv-l AT lists.bnl.gov members,

Vipul Bairathi (vipul.bairathi AT gmail.com) has submitted a material for a
review, please have a look:
https://drupal.star.bnl.gov/STAR/node/60024

---
If you have any problems with the review process, please contact
webmaster AT www.star.bnl.gov
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