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Related papers: Event by Event Net Charge Fluctuations

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We present the latest results on event-by-event fluctuations of charged particle multiplicity in Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}} = 200$ GeV and 62.4 GeV measured by PHENIX experiment at RHIC. The two particle correlation length…

Nuclear Experiment · Physics 2019-08-14 T. Nakamura

In this paper, we investigate the non-critical fluctuations of (net) charges and (net) protons in Au+Au collisions at $\sqrt{s_{NN}}$ = 7.7, 39 and 200 GeV, using iEBE-VISHNU hybrid model with Poisson fluctuations added in the particle…

Nuclear Theory · Physics 2018-01-24 Jixing Li , Hao-jie Xu , Huichao Song

Non-statistical event-by-event mean-pt fluctuations in Au + Au collisions at sqrt(s_NN) = 130 and 200 GeV are analyzed in AMPT with string-melting, and the results are compared with STAR data. The analysis suggests that in-medium elastic…

Nuclear Theory · Physics 2008-11-26 Qing-Jun Liu , Wei-Qin Zhao

These proceedings report preliminary measurements of correlations between mid-rapidity charged tracks and high-rapidity event activity (EA) at STAR for $\sqrt{s_\mathrm{NN}}= 200\, \mathrm{GeV}$ p+Au collisions taken in 2015. These…

High Energy Physics - Experiment · Physics 2025-08-27 David Stewart

We report results for $K/\pi$ fluctuations from Au+Au collisions at $\sqrt{s_{NN}}$ = 19.6, 62.4, 130, and 200 GeV using the STAR detector at the Relativistic Heavy Ion Collider. Our results for $K/\pi$ fluctuations in central collisions…

Nuclear Experiment · Physics 2009-09-02 B. I. Abelev

We present the first large-acceptance measurement of event-wise mean transverse momentum mean p_t fluctuations for Au-Au collisions at nucleon-nucleon center-of-momentum collision energy sqrt{s_{NN}} = 130 GeV. The observed non-statistical…

Nuclear Experiment · Physics 2008-11-26 STAR Collaboration , J. Adams

The related studies of two-particle correlations and event-by-event fluctuations have played important roles in the search for new physics through the experimental study of relativistic heavy ion collisions. We present a general method of…

Nuclear Experiment · Physics 2008-11-26 Michael Daugherity

This paper presents the analysis of the dynamic fluctuations in the inclusive charged particle multiplicity measured by PHOBOS for Au+Au collisions at sqrt(s_NN)=200$GeV within the pseudo-rapidity range of -3<eta<3. First the definition of…

Nuclear Experiment · Physics 2019-08-14 Zhengwei Chai

In this talk, we report an analysis of elliptic flow ($v_2$), non-flow ($\delta_{2}$), and $v_2$ fluctuations ($\sigma_{v_{2}}$) for the STAR collaboration at middle rapidity in $\sqrt{s_{_{NN}}}=200$ GeV Au+Au collisions. We compare the…

Nuclear Experiment · Physics 2008-11-26 Paul Sorensen

We present the CBM physics performance study for measurements of the higher order cumulants of the net-proton multiplicity distributions. These observables are proxy for net-baryon fluctuations and are commonly used to study the phase…

Nuclear Experiment · Physics 2021-02-03 Subhasis Samanta

Event by event fluctuations of particle multiplicities and their ratios are considered to be sensitive probes to the exotic phenomena in high energy heavy ion collisions like phase transtion or the occurence of critical point. These…

High Energy Physics - Phenomenology · Physics 2014-08-22 S. Ahmad , M. Farooq , S. Bashir , H. jahan , N. Ahmad , S. Chattopadhyay

Event-by-event fluctuations and correlations between particles produced in relativistic nuclear collisions are studied. The fluctuations in positive, negative, total and net charge are closely related through correlations. In the event of a…

Nuclear Theory · Physics 2008-11-26 H. Heiselberg , A. D. Jackson

STAR has recently reported charge-dependent azimuthal correlations that are sensitive to the charge separation effect in Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 200 GeV. Qualitatively, these results agree with some of the theoretical…

Nuclear Experiment · Physics 2019-08-13 Hui Wang

Fluctuations of conserved quantities such as net-baryon, net-charge, and net-strangeness numbers have generated considerable interest in the study of the thermodynamic properties of the hot and dense QCD matter. Theoretical calculations…

High Energy Physics - Experiment · Physics 2021-09-14 Arghya Chatterjee

We performed systematic studies on the effects of event-by-event efficiency fluctuations on efficiency correction for cumulant analysis in relativistic heavy-ion collision experiments. Experimentally, particle efficiencies of events…

Data Analysis, Statistics and Probability · Physics 2018-09-11 Shu He , Xiaofeng Luo

In these proceedings some of the highlights of the elliptic flow measurements from STAR at $\sqrt{s_{_{NN}}} =$ 130 and 200 GeV for Au+Au collisions are presented.

Nuclear Experiment · Physics 2019-08-14 Raimond Snellings

Results on event-by-event fluctuations of the mean transverse momentum and net charge in Pb-Au collisions, measured by the CERES Collaboration at CERN-SPS, are presented. We discuss the centrality and beam energy dependence and compare our…

Nuclear Experiment · Physics 2019-08-14 Harald Appelshauser , Hiro Sako

We present first results on event-by-event elliptic flow fluctuations in Au+Au collisions at 200 GeV obtained with the PHOBOS detector. Over the measured range in centrality, large relative fluctuations of 40--50% are found. The elliptic…

Nuclear Experiment · Physics 2019-08-14 Constantin Loizides

The analysis of the statistical and dynamical fluctuations in nucleus-nucleus collisions on an event-by-event basis strongly relies on a comparison with specially constructed artificial events where statistical fluctuations and kinematical…

Nuclear Experiment · Physics 2007-05-23 Grazyna Odyniec