STAR Flow, Chirality and Vorticity PWG

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

Dear Xiaoyu,

Thanks for your response and the updated slides. I sign off with one 
comment:

please indicate Au+Au 27 GeV somewhere in the figures on slides 3, 9-13.

Thanks and regards,
Subhash

Thanks and regards,
Subhash

On 2022-07-13 04:39 AM, Liu, Xiaoyu wrote:
> Hello Subhash,
>
> Thanks for your helpful suggestions. I have implemented all of them
> and uploaded the new version under the same link:
> https://drupal.star.bnl.gov/STAR/presentations/WPCF-2022/Measurement-directed-flow-forward-and-backward-pseudorapidity-AuAu-collision.
>
>
> Specifically, I modified the following pages to explain things more
> clearly.
>
> s#5: Could you indicate where Mip enters into v1 calculation, as a
> weight?
>
> nMIP (calibrated ADC) don't enter v1 calculations as weights; only
> iMIPweights in the fitting parameters are used as weights to calculate
> dN/ddeltaphi and v1 is extracted from the Fourier decomposition of
> dN/ddeltaphi. I added one more slide to explain how the ADC spectrum
> is related to the number of MIPs. Hope it helps, please let me know if
> it answers your question.
>
> s#8-9: After the iteration steps, is there tolerance level to choose
> v1_output = v1_meas, I mean do you require them to be identical or
> within a tolerance limit e.g. ~ 5% level.
>
> I don't require them to be identical but it is also hard to quantify
> the consistency since some v1 points are very close to zero so it's
> hard to calculate any ratios. The standard I used is to stop
> iterations when
> ∑𝜂(𝑣1out(𝜂)−𝑣1measure(𝜂))/(𝑣1measure(𝜂))
> stops decreasing. At some point, the consistency just stops increasing
> so the iterations are ended.
>
> s#9: These figures and legends hard to read. Could you enlarge them?
>
> Instead of showing four iterations at the same time on one slide, now
> I am showing them successively on four slides.
>
> Thanks,
> Xiaoyu
>
> -------------------------
>
> From: subhash <subhash AT rcf.rhic.bnl.gov>
> Sent: Sunday, July 10, 2022 11:31 PM
> To: STAR Flow, Chirality and Vorticity PWG <star-fcv-l AT lists.bnl.gov>
> Cc: liu.6566 AT osu.edu <liu.6566 AT osu.edu>
> Subject: Re: [Star-fcv-l] STAR presentation by Xiaoyu Liu for WPCF
> 2022 submitted for review
>
> Dear Xiaoyu,
>
> Nice slide. I have a few suggestions for your consideration:
>
> s#2: "Problems to solve" --> Do you mean these potential issues in v1
> analysis using EPD?
> Then, I suggest a rephrase "Potential issues in v1 measurement"
>
> s#3: Correct the typo in title.
> Resolution figure: Could you add Psi_1 resolution, add beam energy and
>
> data set.
>
> s#5: Could you indicate where Mip enters into v1 calculation, as a
> weight?
>
> s#6,7,8: Could you add beam energy, dataset on the figure. Add  Y-axis
>
> label for the bottom panels.
>
> s#8-9: After the iteration steps, is there tolerance level to choose
> v1_output = v1_meas, I mean do you require them to be identical or
> within a tolerance limit e.g. ~ 5% level.
>
> s#9: These figures and legends hard to read. Could you enlarge them?
>
> s#11: Comparison with PHOBOS
>
> s#12: "Problems solved" --> I suggest "Issues addressed"
> It would be good to add v1(eta) measured within 10 units in rapidity
> (~
> +/-5)
>
> Outlook: Instead of 19.6 GeV, I would suggest other BES-II energies.
>
> Thanks and regards,
> Subhash
>
> On 2022-07-09 03:56 AM, webmaster--- via Star-fcv-l wrote:
> > Dear star-fcv-l AT lists.bnl.gov members,
> >
> > Xiaoyu Liu (liu.6566 AT osu.edu) has submitted a material for a review,
>
> > please
> > have a look:
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> [1]
> > ---
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> > webmaster AT www.star.bnl.gov
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>
>
> Links:
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