STAR Flow, Chirality and Vorticity PWG

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

Dear Zhiwan, Subhash,
This sentence is tricky because we're trying to say too much at once. We 
want to say that the B-field is bigger in Au+Au than in isobar 
collisions because of something, and also that lower collision energies 
mean the B-field lasts longer.
How about:

"The Au+Au system at lower beam energy has significant advantages over 
higher energy and the isobar systems because of the larger and longer 
magnetic field and higher vorticity."
-->
"The Au+Au system produces stronger magnetic fields than isobars, and 
collisions at lower beam energies have the advantage of producing 
longer-lasting magnetic fields and higher vorticities than higher energy 
collisions."

Best,
Prithwish



On 2023-04-25 21:11, subhash via Star-fcv-l wrote:
> Dear Zhiwan,
>
> The abstract is in a good shape. I sign off with a few suggestions:
>
> How about re-phrasing it "The Au+Au system at lower beam energy has
> significant advantages over higher energy and the isobar systems
> because of the larger and
> longer magnetic field and higher vorticity." --> The Au+Au system at
> lower beam energies has the advantage of having a stronger transient
> magnetic-field and a larger vorticity compared to higher energy
> collision systems.
>
> "In utilizing pair particle ... " -->  Utilizing pair particle ...
>
> Thanks and regards,
> Subhash
>
>
> On 2023-04-26 07:37 AM, Zhiwan Xu wrote:
> > Dear Conveners,
> >   Thank you for the sincere comments. I have implemented them and
> > prepared a revised version.
> >   Please take a look at the new attached QM abstract:
> > https://drupal.star.bnl.gov/STAR/presentations/Quark-Matter-2023/Search-Chiral-Magnetic-and-Vortical-Effects-Using-Event-Shape-Select
> >   Let me know if you have any suggestions.
> >
> > Best,
> > Zhiwan
> >
> > ------------------------------------
> > Zhiwan Xu,
> > Department of Physics and Astronomy, UCLA
> > zhiwanxu AT physics.ucla.edu
> >
> > ----- Original Message -----
> > From: "webmaster--- via Star-fcv-l" <star-fcv-l AT lists.bnl.gov>
> > To: star-fcv-l AT lists.bnl.gov
> > Sent: Monday, April 24, 2023 8:28:12 PM
> > Subject: [Star-fcv-l] STAR presentation by Zhiwan Xu for Quark Matter
> > 2023    got commented by Prithwish Tribedy
> >
> > Dear star-fcv-l AT lists.bnl.gov members,
> >
> > Prithwish Tribedy ( ptribedy AT bnl.gov ) has commented on a material 
> > originally
> > submitted by Zhiwan Xu ( zhiwanxu AT physics.ucla.edu ) at
> > https://drupal.star.bnl.gov/STAR/presentations/Quark-Matter-2023/Search-Chiral-Magnetic-and-Vortical-Effects-Using-Event-Shape-Select
> >
> > Comment:
> > Nice abstract! A few modifications for you to consider.
> >
> > "Quark chirality effects in heavy-ion collisions probe the topological 
> > sector
> > of Quantum Chromodynamics, where parity and charge-parity symmetries 
> > are
> > violated locally in strong interactions.
> > -->
> > "In heavy-ion collisions, the chirality of quarks can change due to 
> > the local
> > violation of parity and charge-parity symmetries in strong 
> > interactions. This
> > provides a unique opportunity to probe the topological sector of 
> > Quantum
> > Chromodynamics."
> >
> >
> > "However, experimental measurements of the chiral magnetic and 
> > vortical
> > effects (CME/CVE) are hampered by the dominant elliptic flow and 
> > nonflow
> > backgrounds."
> > -->
> > "However, the experimentally observable effects of this phenomena, 
> > such as
> > the chiral magnetic/vortical effect (CME/CVE), are overwhelmed   by 
> > elliptic
> > flow and nonflow backgrounds."
> >
> > "Recent STAR isobar data revealed a substantial background in the CME
> > observables that prevented an unambiguous observation on the 
> > difference of
> > isobar."
> > -->
> > "Recent STAR measurements showed significant background contributions 
> > to the
> > CME observables in isobar collisions, preventing an unambiguous 
> > observation
> > of the signal difference between the two isobars."
> >
> > After the line:
> > "We propose an improved....search of the CME and CVE."
> > move the line:
> > "The Au+Au system at lower beam energy....nonflow background could be 
> > largely
> > suppressed."
> >
> > Then move this line "After categorizing events..... correlations".
> > However, I suggest you revise the sentence as follows:
> >
> > "After categorizing events based on flow strength and extrapolating 
> > the
> > CME/CVE observable towards zero flow limit, we report the ∆γ 
> > measurements
> > using h-h (excluding protons) and Λ-p correlations."
> > -->
> > "Our ESS approach categorizes events by their flow strength and 
> > extrapolates
> > the CME/CVE observable to the zero-flow limit. We use this approach to
> > measure Δγ using h-h (excluding protons) and Λ-p correlations, which
> > reduces the flow-driven background."
> >
> > It is not clear what you mean by
> > "We compare the results from different ESS recipes"
> >
> > Different recipes utilizing what ?
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > ---
> > If you have any problems with the review process, please contact
> > webmaster AT www.star.bnl.gov
> >
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