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A detailed study of event by event fluctuation of maximum particle density of the produced particles in narrow pseudo-rapidity interval in terms of the scaled variance {\omega} has been carried out for 16O-AgBr, 28Si-AgBr and 32S-AgBr…

Nuclear Experiment · Physics 2020-12-02 Swarnapratim Bhattacharyya

Event-by-event (ebe) fluctuations in mean pseudorapidity values of relativistic charged particles in full phase space is studied by analysing experimental data on $^{16}O-AgBr$ collisions at 14.5A, 60A, and 200A GeV/c and $^{32}S-AgBr$…

High Energy Physics - Phenomenology · Physics 2022-05-31 Bushra Ali , Shaista Khan , Anuj Chandra , Shakeel Ahmad

A study of Event by Event analysis of maximum Pseudo-rapidity Gap Fluctuation in heavy-ion collisions in terms of the scaled variance {\omega} has been carried out for relativistic AA collisions with multiplicity cut (N >10) using nuclear…

Nuclear Experiment · Physics 2019-07-24 Swarnapratim Bhattacharyya , Maria Haiduc , Alina Tania Neagu , Elena Firu

Event-by-event (ebe) multiplicity \fll and \cor amongst the charged particles emitted in the forward-backward symmetric pseudorapidity (\et) windows of varying widths and positions are investigated by analyzing the experimental data on…

Nuclear Experiment · Physics 2023-05-24 Bushra Ali , Sweta Singh , Anuj Chandra , Shakeel Ahmad

Analysis of pseudorapidity fluctuations in interactions of 10.7 AGeV $_{79}Au^{197}$ and 158 A GeV $_{82}Pb^{208}$ nuclei with photoemulsion nuclei by Hurst method, is carried out. As result, events of explosive and mixed types, are…

High Energy Physics - Phenomenology · Physics 2012-11-12 A. Sh. Gaitinov , P. B. Kharchevnikov , I. A. Lebedev , A. I. Lebedeva

Results on dynamical fluctuations of charged particles in the pseudorapidity space of central C--Cu interactions at 4.5 $A$ GeV/$c$ are performed in the transformed variables and using higher order scaled factorial moments modifyied to…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. K. Sarkisyan , L. K. Gelovani , G. L. Gogiberidze , G. G. Taran

We develop methods to deal with non-dynamical contributions to event-by-event fluctuation measurements of net-particle numbers in relativistic nuclear collisions. These contributions arise from impact parameter fluctuations and from the…

Nuclear Theory · Physics 2017-05-09 P. Braun-Munzinger , A. Rustamov , J. Stachel

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

The event-by-event fluctuations of identified particles in ultrarelativistic nucleus-nucleus collisions give information about the state of matter created in these collisions as well as the phase diagram of nuclear matter. In this…

Nuclear Experiment · Physics 2019-01-15 Alice Ohlson

Event-by-event multiplicity fluctuations in nucleus-nucleus collisions are studied within the relativistic transport models: EPOS, PHSD, and UrQMD. As measures of particle number fluctuations we consider the scaled variances $\omega[X]$ for…

A method based on sliding window scheme is developed to search for patches in the pseudorapidity-azimuth plane, on an event-by-event basis, having unusual fluctuation in the neutral pion fraction which may arise due to the formation of…

Nuclear Experiment · Physics 2009-11-11 M. M. Aggarwal , G. Sood , Y. P. Viyogi

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

Results are presented on event-by-event fluctuations in transverse momentum of charged particles, produced at forward rapidities in p+p, C+C, Si+Si and Pb+Pb collisions at 158 AGeV. Three different characteristics are discussed: the average…

High Energy Physics - Experiment · Physics 2013-05-29 The NA49 Collaboration

Analysis of high multiplicity events produced in 158A GeV/c $^{208}$Pb-$^{208}$Pb collisions is carried out to study the event-by-event fluctuations. The findings reveal that the method of scaled factorial moments can be used to identify…

High Energy Physics - Experiment · Physics 2018-04-02 Shakeel Ahmad , Shaista Khan , Ashwini Kumar , Arpit Singh , A. Ahmad , B. K. Singh

The present study is based on the interactions caused by 340-GeV negative pions with emulsion nuclei. The main aim of this paper is to investigate some aspects of central collision events. Thus, the events in which the total number of…

High Energy Physics - Experiment · Physics 2020-08-26 Tufail Ahmad , Nazeer Ahmad

The event-by-event analysis of high energy nuclear collisions aims at revealing the richness of the underlying event structures and provide unique measures of dynamical fluctuations associated with QGP phase transition. The major challenge…

Nuclear Experiment · Physics 2008-11-26 Tapan K. Nayak

Motivated by forthcoming experiments at RHIC and LHC, and results from SPS, a review is given of the present state of event-by-event fluctuations in ultrarelativistic heavy-ion collisions. Fluctuations in particle multiplicities, ratios,…

Nuclear Theory · Physics 2008-11-26 H. Heiselberg

Measurements of event-by-event fluctuations of charged-particle multiplicities in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV using the ALICE detector at the CERN Large Hadron Collider (LHC) are presented in the pseudorapidity range…

Nuclear Experiment · Physics 2022-04-08 ALICE Collaboration

We study event-by-event dynamical fluctuations of various particle ratios at different energies. We assume that particle production in final state is due to chemical equilibrium processes. We compare results from resonance gas model with…

High Energy Physics - Phenomenology · Physics 2012-07-10 A. Tawfik

We discuss an event-by-event fluctuation analysis of particle production in heavy ion collisions. We compare different approaches to the evaluation of the event-by-event dynamical fluctuations in quantities defined on groups of particles,…

Nuclear Theory · Physics 2009-10-31 S. A. Voloshin , V. Koch , H. G. Ritter
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