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Related papers: Multiplicity fluctuations in relativistic nuclear …

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In heavy-ion collisions in the energy regime probed at the CERN SPS, experimental hints for the deconfinement phase transition have been seen in numerous inclusive hadronic observables. In order to further characterize this transition, and…

Nuclear Experiment · Physics 2019-08-14 Tim Schuster

We investigate baryon and charge transport in relativistic heavy-ion collisions, compare with Au + Au RHIC data at sqrt(s_NN)=0.2 TeV, and make predictions for net-proton rapidity distributions in central Pb + Pb collisions at CERN LHC…

High Energy Physics - Phenomenology · Physics 2014-11-20 Yacine Mehtar-Tani , Georg Wolschin

Multiplicity and pseudorapidity ($\eta$) density ($dN_{\rm ch}/d\eta$) distributions of charged hadrons provide key information towards understanding the particle production mechanisms and initial conditions of high-energy heavy-ion…

Nuclear Experiment · Physics 2020-11-16 Sumit Basu , Sanchari Thakur , Tapan K. Nayak , Claude A. Pruneau

The dynamical charge fluctuations have been studied in ultra-relativistic heavy-ion collisions by using hadronic model simulations, such as UrQMD and HIJING. The evolution of fluctuations has been calculated at different time steps during…

Nuclear Theory · Physics 2015-03-03 Bhanu Sharma , Madan M. Aggarwal , Nihar Ranjan Sahoo , Tapan K. Nayak

Results from the multiplicity distributions of inclusive photons and charged particles, scaling of particle multiplicities, event-by-event multiplicity fluctuations, and charged-neutral fluctuations in 158$\cdot A$ GeV Pb+Pb collisions are…

Nuclear Experiment · Physics 2009-11-07 Tapan K. Nayak

Event-by-event fluctuations of the kaon to pion number ratio in nucleus-nucleus collisions are studied within the statistical hadron-resonance gas model (SM) for different statistical ensembles and in the Hadron-String-Dynamics (HSD)…

Nuclear Theory · Physics 2009-03-12 M. I. Gorenstein , M. Hauer , V. P. Konchakovski , E. L. Bratkovskaya

We have studied the dynamical fluctuation of net-charge of hadrons produced in Au+Au collisions at energies that in near future will be available at the Facility for Antiproton and Ion Research (FAIR). Data simulated by a microscopic…

Nuclear Theory · Physics 2018-05-03 Somnath Ghosh , Provash Mali , Amitabha Mukhopadhyay

The preliminary data of the PHENIX collaboration for the scaled variances of charged hadron multiplicity fluctuations in Au+Au at $\sqrt{s}=200$ GeV are analyzed within the model of independent sources. We use the HSD transport model to…

Nuclear Theory · Physics 2008-11-26 V. P. Konchakovski , M. I. Gorenstein , E. L. Bratkovskaya

Volume fluctuations are introduced in a statistical modelling of relativistic particle collisions. The micro-canonical ensemble is used, and the volume fluctuations are assumed to have the specific scaling properties. This leads to the KNO…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. V. Begun , M. Gaździcki , M. I. Gorenstein

I investigate the volume corrections on cumulants of total charge distributions and net proton distributions. The required volume information is generated by an optical Glauber model. I find that the corrected statistical expectations of…

Nuclear Theory · Physics 2016-11-15 Hao-jie Xu

Particle number fluctuations and correlations in nucleus-nucleus collisions at SPS and RHIC energies are studied within microscopic transport approaches. In this review we focus on the Hadron-String-Dynamics (HSD) and…

Nuclear Theory · Physics 2015-05-18 V. P. Konchakovski , M. I. Gorenstein , E. L. Bratkovskaya , W. Greiner

Charge fluctuations observed in early fixed-target proton-proton experiments are consistent with string models. In central heavy ion events the picture can change in two ways: strings can interact and find new ways to hadronize or they can…

High Energy Physics - Phenomenology · Physics 2017-08-23 Fritz W. Bopp , Johannes Ranft

Studying fluctuations of conserved quantities, such as baryon number, strangeness, and charge, provides insights into the properties of matter created in high-energy nuclear collisions. Lattice QCD calculations suggest that higher moments…

Nuclear Experiment · Physics 2016-11-23 Jochen Thäder

By deriving a general expression for multiplicity distribution (a conditional probability distribution) in statistical model, we demonstrate the mismatches between experimental measurements and previous theoretical calculations on…

Nuclear Theory · Physics 2016-05-31 Hao-jie Xu

At energies of a few GeV per nucleon, nuclear collisions exhibit phenomena more complex than the individualistic nucleon interactions observed at much higher energies. From recent results on proton number fluctuations in Au + Au collisions…

Nuclear Theory · Physics 2024-08-16 Ali Bazgir , Maciej Rybczynski , Uzair A. Shah , Zbigniew Wlodarczyk

We present for the first time quantitative results for the coupled dynamics of second order fluctuations in the three conserved charges of QCD based on stochastic diffusion equations for a Bjorken-type expanding hadronic medium.

Nuclear Theory · Physics 2022-02-16 Grégoire Pihan , Marcus Bluhm , Marlene Nahrgang

Net-baryon, net-charge and net-strangeness number fluctuations in high energy heavy-ion collisions are discussed within the framework of a hadron resonance gas (HRG) model. Ratios of the conserved number susceptibilities calculated in HRG…

Nuclear Experiment · Physics 2015-06-15 P. Garg , D. K. Mishra , P. K. Netrakanti , B. Mohanty , A. K. Mohanty , B. K. Singh , N. Xu

Identified hadron spectra and ratios provide a unique tool to study the bulk particle production in heavy-ion collisions and explore the QCD phase diagram. In these proceedings we present the analysis of charged pion, kaon and (anti)proton…

Nuclear Experiment · Physics 2019-08-13 Aneta Iordanova

We provide quantitative predictions for the rapidity, centrality and energy dependencies of inclusive charged-hadron productions for the forthcoming LHC measurements in nucleus-nucleus collisions based on the idea of gluon saturation in the…

High Energy Physics - Phenomenology · Physics 2010-09-02 Eugene Levin , Amir H. Rezaeian

Charge fluctuations provide a possible signature for the existence of the de-confined Quark Gluon Plasma phase (QGP). Being sensitive to the square of the charges, fluctuations in QGP, with fractionally charged partons, are significantly…

Nuclear Experiment · Physics 2012-08-27 Satyajit Jena for ALICE Collaboration
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