STAR Correlations and Fluctuations PWG

[Nu Xu <nxu AT lbl.gov>]

It works, thank you!

Nu

> On Feb 9, 2024, at 8:51 AM, Rutik Manikandhan <manikandhan.rutik AT gmail.com> 
> wrote:
> 
> Hello Nu,
> 
> The version is v4 now, and this is the link:
> https://drupal.star.bnl.gov/STAR/system/files/WWND_2024_ver4.pdf
> 
> Do let me know if this works for you.
> Thank you.
> 
> Best,
> Rutik Manikandhan
> PhD Candidate, Experimental High Energy Group
> Physics Dept.
> University of Houston
> 
> 
> On Fri, Feb 9, 2024 at 10:47 AM Nu Xu <nxu AT lbl.gov> wrote:
> Dear Rutik,
> Somehow the link to drupal does not work.
> Please fix it asap.
> 
> Thank you,
> Nu
> 
> > On Feb 8, 2024, at 9:04 AM, Rutik Manikandhan 
> > <manikandhan.rutik AT gmail.com> wrote:
> > 
> > Hello Somadutta and Conveners,
> > 
> > I have made the changes accordingly, thank you for the input!
> > link: https://drupal.star.bnl.gov/STAR/system/files/WWND_2024_ver3.pdf
> > 
> > Best,
> > Rutik Manikandhan
> > PhD Candidate, Experimental High Energy Group
> > Physics Dept.
> > University of Houston
> > 
> > 
> > On Thu, Feb 8, 2024 at 8:32 AM Somadutta Bhatta 
> > <somadutta.bhatta AT stonybrook.edu> wrote:
> > Dear Rutik,
> > 
> > Thank you for sharing your nice slides for WWND.
> > I have a few comments on claims about the independent superposition 
> > scenario (particle production from uncorrelated sources) at 200 GeV and 
> > 2.76 TeV made in Slide 17 and 18 of your presentation.
> > 
> > Your slides have the following statements:
> > Slide 17: Power law seems to describe the data at 200 GeV, implying an 
> > independent sources scenario
> > Slide 18: STAR 200 GeV and ALICE 2.76 TeV follow power law (b=-0.5). 
> > 
> > In previous publications from STAR/ALICE studies of mean pT fluctuations 
> > (at 200 GeV and 2.76 TeV), they have reported the existence of genuine 
> > correlations beyond the independent sources scenario. A power-law fitting 
> > parameter of exactly -0.5 implies that the produced particles are from 
> > independent pp-like sources, whereas, any value of the parameter larger 
> > than that implies the existence of genuine dynamical correlations in 
> > excess of independent superposition.
> > 
> > In the ALICE paper (Fig 5 in 
> > https://urldefense.com/v3/__https://arxiv.org/pdf/1407.5530.pdf__;!!P4SdNyxKAPE!GRynD9BRaBQxzQwEBaST5kr31yVqNSJrVMfvgdmX7mNZmEI8iRub5zKO11fOF5Co9ST_mc2emPHjGuou5QQ$
> >  ), the power-law fitting for sqrt(K2) reports a value of power-law 
> > exponent ~0.45 at 2.76 TeV, whereas, STAR measurements (Fig 3 in 
> > https://urldefense.com/v3/__https://arxiv.org/pdf/nucl-ex/0504031.pdf__;!!P4SdNyxKAPE!GRynD9BRaBQxzQwEBaST5kr31yVqNSJrVMfvgdmX7mNZmEI8iRub5zKO11fOF5Co9ST_mc2emPHjYaSuVqE$
> >  ) reports significantly larger correlations than HIJING calculations 
> > (HIJING is expected to follow independent superposition exactly, see 
> > https://urldefense.com/v3/__https://arxiv.org/pdf/2112.03397.pdf__;!!P4SdNyxKAPE!GRynD9BRaBQxzQwEBaST5kr31yVqNSJrVMfvgdmX7mNZmEI8iRub5zKO11fOF5Co9ST_mc2emPHjN6qHZyQ$
> >  ). A HIJING model comparison is also shown in the ALICE paper as well 
> > with the same conclusion.
> > 
> > These observations imply that particle production in data is not only 
> > from uncorrelated sources and that there exists genuine dynamical 
> > correlations at 200 GeV as well as 2.76 TeV deviates from independent 
> > superposition.
> > Therefore,  I think claiming that  "STAR 200 GeV and ALICE 2.76 TeV 
> > follow power law"  might be misleading and needs to be fixed on the 
> > slides.
> > 
> > Warm regards,
> > Som
> > 
> > On Thu, Feb 8, 2024 at 8:38 AM Rutik Manikandhan via Star-cf-l 
> > <star-cf-l AT lists.bnl.gov> wrote:
> > Hello Conveners,
> > 
> > Here is the updated version of the talk: 
> > https://drupal.star.bnl.gov/STAR/system/files/WWND_2024_ver_2.pdf
> > 
> > Best,
> > Rutik Manikandhan
> > PhD Candidate, Experimental Nuclear High Energy Group
> > Physics Dept.
> > University of Houston
> > 
> > 
> > On Wed, Feb 7, 2024 at 9:10 AM Rutik Manikandhan 
> > <manikandhan.rutik AT gmail.com> wrote:
> > Hello Conveners,
> > 
> > Here is the updated version of the talk for WWND 2024.
> > https://drupal.star.bnl.gov/STAR/system/files/WWND_2024_ver1.pdf
> > Best,
> > Rutik Manikandhan
> > PhD Candidate, Experimental High Energy Group
> > Physics Dept.
> > University of Houston
> > 
> > 
> > On Sun, Feb 4, 2024 at 7:51 PM Nu Xu <nxu AT lbl.gov> wrote:
> > Hi Rutik,
> > 
> > I read your draft already but did not write to you because we will 
> > discuss on Thursday.
> > Regards,
> > Nu
> > 
> > > On Feb 4, 2024, at 5:27 PM, Rutik Manikandhan 
> > > <manikandhan.rutik AT gmail.com> wrote:
> > > 
> > > Hello Nu,
> > > Could you please review my talk for WWND?
> > > Thank you!
> > > Best, 
> > > Rutik Manikandhan
> > > PhD Candidate, Experimental High Energy Group
> > > Physics Dept.
> > > University of Houston
> > > 
> > > 
> > > ---------- Forwarded message ---------
> > > From: webmaster--- via Star-cf-l <star-cf-l AT lists.bnl.gov>
> > > Date: Thu, Feb 1, 2024 at 2:18 PM
> > > Subject: [Star-cf-l] STAR presentation by Rutik Manikandhan for WWND 
> > > 2024 submitted for review
> > > To: <star-cf-l AT lists.bnl.gov>
> > > CC: <webmaster AT star.bnl.gov>
> > > 
> > > 
> > > Dear star-cf-l AT lists.bnl.gov members,
> > > 
> > > Rutik Manikandhan (manikandhan.rutik AT gmail.com) has submitted a 
> > > material for  
> > > a review, please have a look:
> > > https://drupal.star.bnl.gov/STAR/node/66691
> > > 
> > > Deadline: 2024-02-11
> > > ---
> > > If you have any problems with the review process, please contact  
> > > webmaster AT www.star.bnl.gov
> > > _______________________________________________
> > > Star-cf-l mailing list
> > > Star-cf-l AT lists.bnl.gov
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> > 
> > _______________________________________________
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> > 
> > 
> > -- 
> > Thanking You,
> > 
> > Yours Sincerely,
> > Somadutta Bhatta,
> > Relativistic Heavy Ion Group,
> > Stony Brook University
> > 
>