STAR Flow, Chirality and Vorticity PWG

[Cameron Racz <cracz001 AT ucr.edu>]

Hi Shinichi,

I don’t think I quite get what you mean. From what I understand, the v3 even 
is coming from the fact that we are using Psi1 and this even contribution 
would also show up in v1 since it also uses Psi1. Are you saying that the 
even portion is instead coming from the initial state fluctuations like 
v3{Psi3}? Or are these essentially the same thing?

Thanks,

Cameron Racz
Ph.D. Candidate 
Heavy-ion Physics Group
University of California, Riverside






> On Aug 9, 2023, at 9:40 AM, EsumiShinIchi via Star-fcv-l 
> <star-fcv-l AT lists.bnl.gov> wrote:
> 
> Dear Rishabh, (and Sharang) and all
> Thank you very much for the nice results. I might have mentioned you 
> earlier for several 
> times, I have now noticed that your "phi-weight and Re-centered” correction 
> before the final shift 
> correction seems to be strange as you show in page 5 especially for the 
> lower 2 panels. Please 
> tell us what you do exactly? With (1) "inverse-weighting of single phi 
> distribution" or (2) "re-centering 
> of the q-vector” would remove the first moment of the non-flatness of the 
> un-corrected Psi distribution, 
> but they should not be applied simultaneously (1) and (2) at the same time, 
> as I see there seems to 
> be clear over-correction at least for the lower 2 panels. This might not 
> affect the final result too much, 
> because of the final shift correction, but it would always be better to do 
> it right. If you do one-by-one 
> for (1) and (2), it should work, so please try first (1) and then (2) in 
> the 2nd step, although the importance 
> of the 2nd one become lower because of the first correction, though. If 
> there is not much higher order 
> non-flatness after (1) or (2), there is not much need for the final shift 
> correction anyway… 
> Please make sure the same thing on the re-centering correction in your 
> analysis (Sharang). 
> Best regards, ShinIchi
> 
> PS : This results are showing the “even” participant fluctuation originated 
> v3{Psi3} which is same as 
> higher RHIC and LHC energy, that is quite different from v3{Psi1} that is 
> also seen at lower energy, 
> but we would need to keep in mind both effects are affecting both results, 
> although it's largely 
> determined by how you have defined your event plane to start with... 
> 
>> On Aug 9, 2023, at 22:16, rishabh via Star-fcv-l 
>> <star-fcv-l AT lists.bnl.gov> wrote:
>> 
>> Dear Conveners,
>> 
>> I would like to give an update on the triangular flow of light nuclei in 
>> the BES-II energies. Please find my slides at the following link: 
>> https://drupal.star.bnl.gov/STAR/blog/rishabh/Triangular-flow-light-nuclei-BES-II-energies
>> 
>> Thank you.
>> Best Regards,
>> Rishabh
>> 
>> 
>> 
>> On 2023-08-09 18:40, 韩成栋 via Star-fcv-l wrote:
>>> Dear Conveners and All,
>>> Please find my slides of preliminary figures request from this webpage
>>> link below:
>>> https://drupal.star.bnl.gov/STAR/blog/chan/Preliminary-figures-request-Light-and-Hyper-Nuclei-Collectivity-AuAu-Collisions-RHIC-STA-0
>>> Thank you for your attention.
>>> Best wishes,
>>> Chengdong Han
>>> &gt; -----Original Messages-----
>>> &gt; From: "subhash via Star-fcv-l" <star-fcv-l AT lists.bnl.gov>
>>> &gt; Sent Time: 2023-08-08 14:29:35 (Tuesday)
>>> &gt; To: "STAR Flow, Chirality and Vorticity PWG" 
>>> <star-fcv-l AT lists.bnl.gov>
>>> &gt; Cc: subhash <subhash AT rcf.rhic.bnl.gov>
>>> &gt; Subject: [Star-fcv-l] FCV PWG meeting on 09/Aug/2023 Wed. 9:30 AM EDT
>>> &gt;
>>> &gt; Dear All,
>>> &gt;
>>> &gt; We shall have our weekly FCV PWG meeting this Wednesday 
>>> (09/Aug/2023) at
>>> &gt; 9:30 AM EDT. As you know the deadline for preliminary approvals is 
>>> the
>>> &gt; week of August 14 and submission of talk/poster to FCV PWG is August 
>>> 20.
>>> &gt;   Therefore, this week and next week we would like to focus on Quark
>>> &gt; Matter related analysis updates and preliminary approval. We would 
>>> like
>>> &gt; to ask the following analyzers to present an update:
>>> &gt; Zuowen, Chengdong, Xingrui, Rishabh &amp; Shengli
>>> &gt;
>>> &gt; The agenda items will be collected at:
>>> &gt; https://drupal.star.bnl.gov/STAR/blog/jjiastar/bulkcorr
>>> &gt;
>>> &gt; We would also like to discuss the followings in order to assess your
>>> &gt; analysis status:
>>> &gt; -- list of promised results observables, collision system, beam 
>>> energies
>>> &gt; -- status/readiness of your analysis, new preliminary requests
>>> &gt; -- any potential issues, show stoppers, centrality/embedding  etc.
>>> &gt; For preliminary request you can use this template:
>>> &gt; 
>>> https://drupal.star.bnl.gov/STAR/system/files/Prelim_Request_template.pdf
>>> &gt;
>>> &gt; Zoom details are copied below.
>>> &gt;
>>> &gt; Thanks and regards,
>>> &gt; Prithwish, Zhenyu and Subhash
>>> &gt;
>>> &gt;
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