STAR Flow, Chirality and Vorticity PWG

["Zuowen Liu" <liuzw AT mails.ccnu.edu.cn>]

Dear Subhash,

Sorry, I didn't your point. inline below?

Best,

Zuowen

 

 

------------------ Original ------------------

From:  "subhash"<subhash AT rcf.rhic.bnl.gov>;

Date:  Tue, Dec 5, 2023 02:15 PM

To:  "Zuowen Liu"<liuzw AT mails.ccnu.edu.cn>;

Cc:  "star-fcv-l"<star-fcv-l AT lists.bnl.gov>;

Subject:  Re: [Star-fcv-l] STAR presentation by Zuowen Liu for Quark Matter 2023 submitted for review

 

Dear Zuowen,

Thanks for the modified version. Please see inline below:

On 2023-12-05 11:10 AM, Zuowen Liu wrote:
> Dear Subhash,
>
> I am very appreciative of your nice suggestions and detailed review.
> I have modified the proceeding, kindly find the updated one by the
> link:
> https://drupal.star.bnl.gov/STAR/system/files/qm23proceeding_Zuowen.pdf
>
> For the question: l#61 & 82: Isn't it the opposite of what you
> mentioned?
> I think they are identical, I just copy the same sentence to the
> summary.
>

I should have clarify it before. What I mean is we expect a smaller tilt
of the participants at higher energies not the other way around. Isn't
it?

> Thanks and Best regards,
> Zuowen
>
> ------------------ Original ------------------
>
> From:  "subhash"<subhash AT rcf.rhic.bnl.gov>;
> Date:  Mon, Dec 4, 2023 03:11 PM
> To:  "Zuowen Liu"<liuzw AT mails.ccnu.edu.cn>;
> Cc:  "star-fcv-l"<star-fcv-l AT lists.bnl.gov>;
> Subject:  Re: [Star-fcv-l] STAR presentation by Zuowen Liu for Quark
> Matter 2023 submitted for review
>
> Dear Zuowen,
>
> Thanks for considering my suggestions and this version reads better. I
>
> have a few more listed below:
>
> l#10: Furthermore, we ... (smaller case)
> l#17: contribution, we ...
> l#19: in Fixed Target Au+Au collisions....
> l#43: The above data-model comparisons ...
>
> l#51-53: "In contrast with the partonic collectivity .... and below"
> --> How about the following
> While the existence of partonic collectivity is observed through NCQ
> scaling of v2 at higher BES energies (sNN > 7.7 GeV) [7], the complete
>
> collapse of NCQ scaling in v2 at √sNN = 3.2 GeV implies that
> hadronic
> interactions play an important role at this energy and below.
>
> l#60: "v1 slopes of all particles ...increasing"
> --> The v1 slopes of all particles (..) decrease in magnitude as
> collision energy increases.
>
> l#61 & 82: Isn't it the opposite of what you mentioned?
>
> l#62-65: "The bottom panel of Fig. 4 show collision energy dependence
> of
> pT integrated v2, negative v2 turns to positive v2 for all particles
> (π±, K0S, and Λ) within collision energy √ sNN = 3.0 - 3.9 GeV,
> that
> indicates the change of out-of-plane to in-plane expansion [10]
> happens
> in √ sNN = 3.0 - 3.9 GeV"
> --> The lower panel in Figure 4 depicts the collision energy
> dependence
> of transverse momentum (pT) integrated v2. It is observed that the
> sign
> of v2 changes from negative to positive for all particles (π±, K0S,
> and
> Λ) within the collision energy range of √sNN = 3.0 - 3.9 GeV. This
> shift
> signifies the transition from out-of-plane to in-plane expansion [10],
>
> occurring specifically within the mentioned energy range.
>
> l#66: The JAM calculations of Λ are shown by colored bands, where
> blue,
> red, and black bands stand for cascade mode, baryonic mean field mode,
>
> and mean field mode without spectators, respectively"
> --> The JAM calculations for Λ are represented by colored bands, with
>
> blue, red, and black bands corresponding to cascade, baryonic mean
> field, and mean field without spectators modes, respectively.
>
> l#68: "Baryonic mean field enhances v1 slope of Λ in √sNN = 3.0
> -3.9
> GeV, it indicates there is strong mean field [11] at high baryon
> density
> region"
> --> The comparison of Λ v1 between the data and model calculations
> suggests the presence of a strong baryon mean field [11] in the high
> baryon density region.
>
> l#69-71: "For pT integrated v2, only mean field mode with spectators
> shows sigh change of v2, implies that the spectator shadowing
> plays important role in √sNN = 3.0 - 3.9 GeV"
> --> Furthermore, the comparison between the measured pT-integrated v2
> and model calculations indicates the significant influence of
> spectator
> shadowing in the sNN = 3.0 − 3.9 GeV range.
>
> l#83: And negative v2 turns to positive v2, indicates that the change
> of
> ...
> --> And the sign change in v2 indicates that the change of ....
>
> Thanks and regards,
> Subhash
>
> On 2023-11-30 04:20 PM, Zuowen Liu wrote:
>> Dear Subhash,
>>
>> Thanks a lot for your nice suggestions.
>> I have implemented all of them into the proceeding.
>> For the typos, I checked again and fixed them.
>>
>> Kindly find the updated proceeding by the link:
>>
> https://drupal.star.bnl.gov/STAR/system/files/qm23proceeding_Zuowen.pdf
>> Thanks again for your great help.
>>
>> Best regards,
>> Zuowen
>>
>> ------------------ Original ------------------
>>
>> From:  "subhash"<subhash AT rcf.rhic.bnl.gov>;
>> Date:  Wed, Nov 29, 2023 04:47 PM
>> To:  "Zuowen Liu"<liuzw AT mails.ccnu.edu.cn>;
>> Cc:  "star-fcv-l"<star-fcv-l AT lists.bnl.gov>;
>> Subject:  Re: [Star-fcv-l] STAR presentation by Zuowen Liu for Quark
>> Matter 2023 submitted for review
>>
>> Dear Zuowen,
>>
>> Nice proceedings. Please consider running a latex spell checker to
>> spot
>> the typos. In general, at several places sentences are not formatted
>> properly. I tried to correct. Please get it proof read by a
> colleague
>> in
>> your group to check if my interpretations are proper. The followings
>> are
>> a few suggestions for your consideration:
>>
>> l#1: you may consider adding "at RHIC" for completeness
>>
>> l#5: In this proceeding, --> In these proceedings,
>>
>> l#5,6: may be: transverse momentum dependence of the rapidity slope
> of
>>
>> directed flow (dv1/dy|y=0) for π+ and K0S in Au+Au ... and 3.9 GeV.
>>
>> l#7: Both π+ and K0S show negative
>>
>> l#8: "spectator shadowing could result in anti-flow at low pT "
>> --> spectator shadowing may lead to anti-flow at low pT.
>>
>> "Furthermore, Number of Constitute Quark (NCQ) scaling of v2 at √
>> sNN =
>> 3.2 GeV was observed which is completely broken"
>> --->
>> Furthermore, we observe a complete breaking of Number of Constitute
>> Quark (NCQ) scaling of elliptic flow (v2) at √sNN = 3.2 GeV.
>> It implies that the dominance of hadronic degrees of freedom occurs
> at
>>
>> √sNN = 3.2 GeV and below.
>>
>> l#12: At last, --> Finally,
>>
>> "and physical implications are discussed."
>> --> and the implications in the context of highly dense baryonic
>> matter
>> are discussed.
>>
>> l#16: In this contribution, we present the most recent measurements
>> ...
>> in Au + Au collisions at √sNN = 3.0 - 3.9 GeV in STAR Fixed Target
>> mode
>>
>> l#18:  For identification of π±, K±, and p, a combination of Time
>> Projection Chamber (TPC) and Time of Flight (TOF) is used
>>
>> l#20-23: Suggest:
>> The left panel of Fig. 1 illustrates the rigidity (p/q: particle
>> momentum divided by charge) dependence of ionization energy loss
>> (dE/dx)
>> in the TPC. The dashed line represents the theoretical ionization
>> energy
>> loss curve for particles passing through the TPC. Particle
>> identification by TOF is based on the particle mass square (m^2)
>> distribution, which can be obtained from the particle velocity (β).
>>
>> l#24-26: suggestion:
>> Moreover, the Kalman Filter (KF) particle package [3], where the
>> covariance matrix of reconstructed tracks is taken into account, is
>> employed to reconstruct weak decay particles (KS0 and Lambda).
>>
>> l#26-28: suggestion:
>> An example of reconstructing the invariant mass using the KF
> particle
>> package is demonstrated with the KS0 meson in the right panel of
> Fig.
>> 1.
>>
>> l#30:  kaon --> Kaon
>>
>> l#31-33:
>> The anti-flow of kaons was first observed  .....  6 A GeV. It was
>> attributed to the repulsive potential associated with the strange
>> quark
>> in K0S.
>>
>> l#33-36: suggestion:
>> We have observed anti-flow behavior in kaons and pions for pT < 0.6
>> GeV/c in mid-central Au + Au collisions at 3.0, 3.2, 3.5, and 3.9
> GeV
>> using the fixed target data from STAR.
>>
>> l#37-43: suggestion:
>> The hadronic transport model JAM [5] calculations are compared with
>> experimental data at 3.9 GeV. The JAM model in hadronic cascade mode
>> (blue band) can successfully capture the anti-flow pattern at low pT
>> for
>> π+ and K0S, even without the inclusion of a kaon potential [4].
>> However,
>> the JAM model with baryonic mean field (red band) tends to
>> overestimate
>> the v1 slope for π+ and K0S. Additionally, the JAM mean field
> without
>>
>> spectator contribution (black band) exhibits a larger v1 slope
>> compared
>> to the one with spectators. The data-model comparisons above suggest
>> that the shadowing effect [6] from the spectator may also play a
>> significant role in generating anti-flow at low pT.
>>
>> l#45-48: suggestion
>> The left and right panels of Fig. 3 illustrate the number of
>> constituent
>> quarks (nq) scaled elliptic flow (v2/nq) as a function of transverse
>> kinetic energy ((mT − m0)/nq) for particles (π+, K+, K0S, p, and
>> Λ) and
>> antiparticles (π−, K−, and K0S), respectively.
>>
>> l#48-52: please re-format to clarify the sentence.
>>
>> Thanks and regards,
>> Subhash
>>
>> On 2023-11-25 12:05 PM, Zuowen Liu wrote:
>>> Dear Subhash,
>>>
>>> Kindly find the updated proceeding by the link:
>>> https://drupal.star.bnl.gov/STAR/node/65884
>>> Thank you.
>>>
>>> Best regards,
>>> Zuowen
>>>
>>> ------------------ Original ------------------
>>>
>>> From:  "Zuowen Liu"<liuzw AT mails.ccnu.edu.cn>;
>>> Date:  Fri, Nov 24, 2023 04:41 PM
>>> To:  "star-fcv-l"<star-fcv-l AT lists.bnl.gov>;
>>> Cc:  "subhash"<subhash AT rcf.rhic.bnl.gov>;
>>> Subject:  Re: [Star-fcv-l] STAR presentation by Zuowen Liu for
> Quark
>>> Matter 2023 submitted for review
>>>
>>> Dear Subhash,
>>>
>>> Thank you for the kind reminder.
>>> I would short it to four.
>>>
>>> Best regards,
>>> Zuowen
>>>
>>> ------------------ Original ------------------
>>>
>>> From:  "subhash via Star-fcv-l"<star-fcv-l AT lists.bnl.gov>;
>>> Date:  Wed, Nov 22, 2023 04:15 PM
>>> To:  "star-fcv-l"<star-fcv-l AT lists.bnl.gov>;
>>> Cc:  "subhash"<subhash AT rcf.rhic.bnl.gov>;
>>> Subject:  Re: [Star-fcv-l] STAR presentation by Zuowen Liu for
> Quark
>>> Matter 2023 submitted for review
>>>
>>> Dear Zuowen,
>>>
>>> Thanks for posting your proceedings.
>>> I guess there are page limits on the proceedings. It supposed to be
>>> 4-page including references, you have 5-pages now.
>>> Can you please check and shorten it to fit the limit.
>>>
>>> Thanks and regards,
>>> Subhash
>>>
>>> On 2023-11-10 05:14 PM, webmaster--- via Star-fcv-l wrote:
>>>> Dear star-fcv-l AT lists.bnl.gov members,
>>>>
>>>> Zuowen Liu (liuzw AT mails.ccnu.edu.cn) has submitted a material for
> a
>>>> review,
>>>> please have a look:
>>>> https://drupal.star.bnl.gov/STAR/node/65884
>>>>
>>>> ---
>>>> If you have any problems with the review process, please contact
>>>> webmaster AT www.star.bnl.gov
>>>> _______________________________________________
>>>> Star-fcv-l mailing list
>>>> Star-fcv-l AT lists.bnl.gov
>>>> https://lists.bnl.gov/mailman/listinfo/star-fcv-l
>>> _______________________________________________
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