STAR Flow, Chirality and Vorticity PWG

[Prithwish Tribedy <ptribedy AT rcf.rhic.bnl.gov>]

Hello Arkadiy and Petr,
 Please consider the following comment on your proceedings that is 
already in a good shape. With these include I sign off.

Comments are on this version:
https://drupal.star.bnl.gov/STAR/system/files/PParfenovICPPA2020version3.pdf

Everywhere, I suggest you use “p” for momentum and $p$ for proton.

line 27:
"The anisotropic flow is one of the important observable sensitive to 
the transport properties of the strongly interacting matter: the 
equation of state (EOS) and the value of η/s"
—>
"The anisotropic flow is one of the important observable sensitive to 
the equation of state (EOS) and transport properties of the strongly 
interacting matter such as the shear viscosity over entropy ratio η/s"

line 37:
"and the overall good"
—>
"and a good"

line 38:
"η/s closed to"
—>
"η/s close to"

line 63:
“in beam energy scan I (BES-I) and II (BES-II), collected with the”
—>
“collected during the beam energy scan phase-I and II (BES-I & BES-II) 
programs by the”

line 75: Needs correction,
“dE/dx, in the TPC, the reconstructed momentum (p), and the squared 
mass, m2, from the TOF detector”
—>
“dE/dx, the reconstructed momentum (p) in the TPC, and the squared mass, 
m2, from the TOF detector”

line 86:
“Representative preliminary results….charged hadrons is presented….”
—>
“Preliminary results….charged hadrons are presented….”

line 89: I think it will be good to mention that “such effects of 
tracking efficiency will be explored in the future”.

line 92:
“essentially monotonic behaviour”
—>
“essentially monotonic increase”

line 93: Not clear what causes what. I guess you meant the radial flow 
increases so <pT> increases and therefore integrated v2 increases? 
Please clarify and revise the sentence accordingly.

line 109-112: I don’t understand the context of these lines starting 
with “The published STAR results..”.  Do you think they are somehow 
related to the observation of better NCQ scaling seen for anti-particles 
that you mention in line 109? Please clarify. If you think so, then do 
mention by saying something like “these may be consistent with the 
previous measurement…”.

Also, I guess the effect of transported quarks is one the major source 
for such a splitting and NCQ scaling violation.

line 114:
“allows to observe”
—>
“allows us to observe”

Best,
Prithwish





















On 2020-10-12 18:04, arkadij71 via Star-fcv-l wrote:
> Dear Jiangyong
> Thank you very much for your comments and suggestions.
> We implemented your suggestions and change the figure according to
> your comments -
> the update version of proceedings is posted.
> https://drupal.star.bnl.gov/STAR/presentations/icppa-2020/elliptic-v2-and-triangular-v3-anisotropic-flow-identified-hadrons-star-be-1
>
> We did the detailed comparison for centrality dependence of pt
> integrated v2 of charged hadrons
>
> with STAR published results from paper with the same set of cuts.
> ``Inclusive charged hadron elliptic flow in Au + Au collisions at
> $\sqrt{s_{NN}}$ = 7.7 - 39 GeV,''
> Phys. Rev. C \textbf{86}, 054908 (2012) - the agreement was very good
> for all points in collision energy.
> https://drupal.star.bnl.gov/STAR/system/files/v2integralBES.png
> if our results are not corrected for pT dependent efficiency - does it
> mean that the published v2 results were
> not corrected as well - or effect is very small ?
>
> Thanks a lot
> With best regards
> Arkadiy
>
> On Mon, Oct 12, 2020 at 11:35 PM Jiangyong Jia
> <jiangyong.jia AT stonybrook.edu> wrote:
>
> > On 10/12/20 4:17 PM, arkadij71 wrote:
> >
> > > Dear Jiangyong
> > >
> > > Thank you very much for your comments and suggestions.
> > > Fig.1. please indicate on figure that left is for v2 and right is
> > > for v3
> > > ==we updated the Figure 1 according to your suggestions
> > >
> > > Fig.2 Are the integral v_n corrected for pT dependent tracking
> > > efficiency? If so please indicate it in the proceedings
> > > == we mentioned in the text that v_n values were not corrected for
> > > pT dependent tracking efficiency
> >
> > It is a bit misleading to discuss the energy dependence of integral
> > vn since the efficiency correction can change the integrated vn
> > value. This need to be worked out for the final publication.
> >
> > In this case, I suggest to add a legend on the figure, "not
> > corrected for pT dependent efficiency". Also in the text add a
> > comment that the efficiency is pT dependent but are similar between
> > different beam energy, so is not expected to influence the sqrt(s)
> > trend.
> >
> > With this implemented, I sign off.
> >
> > Jiangyong
> >
> > Fig.5 and Fig.6 right panel are the pT integrated? you might want to
> > put
> > pT range on the figure. =  we put the pT range for each particle on
> > the figure
> >
> > the updated version of proceedings can be found at
> https://drupal.star.bnl.gov/STAR/presentations/icppa-2020/elliptic-v2-and-triangular-v3-anisotropic-flow-identified-hadrons-star-be-1
> > With best regards
> > arkadiy
> >
> > On Mon, Oct 12, 2020 at 8:15 PM Jiangyong Jia via Star-fcv-l
> > <star-fcv-l AT lists.bnl.gov> wrote:
> > Dear Akardij
> >
> > Here is comments on the nice proceedings. It is well written and
> > the
> > results look great.
> >
> > My a few comments are on the figures.
> >
> > Fig.1. please indicate on figure that left is for v2 and right is
> > for v3
> >
> > Fig.2 Are the integral v_n corrected for pT dependent tracking
> > efficiency? If so please indicate it in the proceedings
> >
> > Fig.5 and Fig.6 right panel are the pT integrated? you might want to
> > put
> > pT range on the figure.
> >
> > Jiangyong
> >
> > On 10/8/20 9:13 PM, webmaster--- via Star-fcv-l wrote:
> > > Dear star-fcv-l AT lists.bnl.gov members,
> > >
> > > Arkadiy Taranenko (arkadij AT rcf.rhic.bnl.gov) has submitted a
> > material for a
> > > review, please have a look:
> > > https://drupal.star.bnl.gov/STAR/node/52310
> > >
> > > ---
> > > If you have any problems with the review process, please contact
> > > webmaster AT www.star.bnl.gov
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> > > Star-fcv-l AT lists.bnl.gov
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> >
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