STAR Flow, Chirality and Vorticity PWG

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

Hi Shengli,
  Nice slides. Please consider my following comments -- with these 
included I sign-off.

slide#2:
"Deformation has negative contributes on
correlation between v2"
-->
"Deformation has negative contribution on
correlation between v2"

slide#5:
I am not sure how to modify this sentence about Pearson coefficient. It 
contain boths three particle and two-particle correlations (in numerator 
and denominator). Currently the sentence is a bit ambiguous.
Probably we can write:
"Pearson coefficient: designed to measure dynamical fluctuations"
or
"Pearson coefficient: designed to eliminate statistical fluctuations"

slide#11 and other titles where you write "compared with"
"Compared with TRENTo initial condition model"
-->
"Comparison with TRENTo initial condition model"

slide#12 and everywhere:
Let's choose one of this: "A hierarchical" or "An hierarchical"

slide#13:
"AMPT can do a more precise calculation due to large statistics"
-->
"AMPT allows more precise calculation due to large statistics"

slide#14:
Can you please move the labels like "STAR 0-5.0%" away from the red 
band. You an put them either above  or below to improve clarity.
Please put U+U collisions somewhere in the plot. I am not sure we need 
to put "STAR preliminary" on each plot -- probably not.

slide#14:
"with three model"
-->
"with three models"

slide#14:
"central region"
-->
"central collisions"


slide#14:
"First time to extract the quadrupole deformation at extremely short 
time scale (<10^-24s)"
-->
"First extraction of quadrupole deformation at extremely short time 
scales (<10^-24s) of heavy ion collisions"

slide#15:
"A sign change is observed"
-->
"A sign change of v2-pT correlation is observed"

"Non-flow has been study vis"
-->
"Nonflow has been studied via"

"central region"
-->
"central collisions"

"comparing with several model calculations"
-->
"comparison with several model calculations"

"indicates the β_2"
-->
"constrain β_2 in the range of 0.2-0.4 for Uranium"


"First time to extract the quadrupole deformation at extremely short 
time scale (10^-24 s) by heavy ion collisions"
-->
"First constraints on quadrupole deformation of nuclei at extremely 
short time scales (<10^-24s) accessible through heavy ion collisions"


Best,
Prithwish



On 2021-07-08 20:54, ShinIchi Esumi via Star-fcv-l wrote:
> Dear Shengli
> Thank you, it’s clear now including the model part, sorry that
> I’m slow. The experimental choice of centrality selection is give
> by model calculation, so now you show data only at 0-1% and
> 0-5%, not 0-0.5% anymore… (that’s the drawback…)? I sign off.
> Best regards, ShinIchi
>
> > On Jul 9, 2021, at 9:04, Shengli Huang
> > <shengli.huang AT stonybrook.edu> wrote:
> >
> > Dear ShinIChi,
> > I update the slide #14 with a new plot.
> https://drupal.star.bnl.gov/STAR/presentations/ismd2021/exploring-deformation-nuclei-correlation-between-anisotropic-flow-and-trans-0
> > Thanks!
> > Shengli
> >
> > On Thu, Jul 8, 2021 at 4:04 PM Shengli Huang
> > <shengli.huang AT stonybrook.edu> wrote:
> >
> > Dear ShinIchi,
> > We can change the beta2 in model by hand.So the model can cover
> > any beta2 if we want.
> > Is it your question? I am a little confused
> > here.
> >
> > Shengli
> >
> > On Thu, Jul 8, 2021, 14:56 ShinIchi Esumi via Star-fcv-l
> > <star-fcv-l AT lists.bnl.gov> wrote:
> > Dear Shengli
> >
> > Two questions, (the first one is now solved though.)
> >
> > How could the experimental data 0-0.5% and 0-5% be similar in
> > x-axis, while
> > 0-1% point is somewhat different? I’m only talking about the
> > x-value “beta2”
> > for the experimental data points. (Now I know, you have just chosen
> > the x-value
> > from model line that gives the experimental y-value, which is highly
> > misleading, if
> > you do plot the data points like this. In such case, horizontal
> > lines for the
> > experimental data would be better to avoid any possible confusion as
> > you say.)
> >
> > Why these all 3 model calculations (3 bands) can cover such a wide
> > range of beta2
> > from -0.1 to 0.4?, although the collisions systems(?) and
> > centralities are specified
> > for each model, which was my initial question about the models, that
> > you do not
> > still answer yet…
> >
> > Best regards, ShinIchi
> >
> > > On Jul 9, 2021, at 3:14, Shengli Huang
> > <shengli.huang AT stonybrook.edu> wrote:
> > > Dear ShinIchi,
> > > I have updated the slide #14. You can find the new version
> > with same link:
> > >
> https://drupal.star.bnl.gov/STAR/presentations/ismd2021/exploring-deformation-nuclei-correlation-between-anisotropic-flow-and-trans-0
> > > Now we match the data with model calculations with the same
> > y-axis to determine the beta2 value.
> > > Thanks!
> > > Shengli
> > >
> > > On Thu, Jul 8, 2021 at 10:20 AM Shengli Huang
> > <shengli.huang AT stonybrook.edu> wrote:
> > > Dear ShiniChi,
> > >
> > > The beta2 value is from model input. So the plot is ruo vs beta2
> > from three model calculations.
> > > For the star measurements, we only have the y-axis value. Maybe we
> > should switch it horizontal lines to
> > > make it more clear.
> > >
> > > Thanks!
> > > Shengli
> > >
> > > On Thu, Jul 8, 2021 at 12:54 AM ShinIchi Esumi via Star-fcv-l
> > <star-fcv-l AT lists.bnl.gov> wrote:
> > > Dear Shengli
> > > Since results are all previously approved preliminary, so I do not
> > see any issue
> > > and therefore, would sign off. So please confirm everything are
> > already shown
> > > and approved before. I think I’ve mentioned earlier, I would
> > like to know how the
> > > choice of beta2 (x-axis) values for AuAu and UU for 3 different
> > centralities (0-5 /
> > > 0-1 / 0-0.5 %) is made for the plot in page 14, are they also
> > calculated separately
> > > for 3 different centralities for one system, although it looks
> > like it is just plotted
> > > slightly shifted? While the model calculations are given as band
> > as a function of
> > > beta2, so that you might need to explain how it was done.
> > > Best regards, ShinIchi
> > >
> > > > On Jul 8, 2021, at 0:40, webmaster--- via Star-fcv-l
> > <star-fcv-l AT lists.bnl.gov> wrote:
> > > > Dear star-fcv-l AT lists.bnl.gov members,
> > > >
> > > > Shengli Huang (shengli.huang AT stonybrook.edu) has submitted a
> > material for a
> > > > review, please have a look:
> > > > https://drupal.star.bnl.gov/STAR/node/55551
> > > >
> > > > ---
> > > > If you have any problems with the review process, please contact
> >
> > > > webmaster AT www.star.bnl.gov
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> > >
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