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Related papers: Multiplicity fluctuations in relativistic nuclear …

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The study of particle correlations is an important instrument to understand the nature of relativistic heavy ion collisions. Using a wealth of new data available from the recent heavy ion runs of Large Hadron Collider at CERN it becomes…

Nuclear Experiment · Physics 2019-08-12 Alexander Milov

We analyze the newest data from the NA61/SHINE collaboration which, in addition to previous results on pions and kaons, include mean multiplicities of $p$, $\Lambda$, and $\phi$-mesons produced in inelastic proton-proton (p+p) interactions…

Nuclear Theory · Physics 2018-12-05 V. V. Begun , V. Vovchenko , M. I. Gorenstein , H. Stoecker

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

In heavy-ion and hadronic collisions, indications of thermalization are detected in the yields of produced hadrons: these observations call for a detailed study of the hadronization processes. Novel observables are required to discriminate…

Nuclear Experiment · Physics 2023-12-15 Mario Ciacco

The measurement of particle correlations and fluctuations has been suggested as a method to search for the existence of a phase transition in relativistic heavy ion collisions. If quark-gluon matter is formed in the collision of…

Nuclear Experiment · Physics 2019-08-13 Terence J. Tarnowsky

Measurements made by the ALICE Collaboration of single- and two-particle distributions in high-energy pp and p-Pb collisions are used to characterize the interactions in small collision systems, tune models of particle production in QCD,…

Nuclear Experiment · Physics 2019-01-04 Alice Ohlson

Using a hadron and string cascade model, JPCIAE, we investigated the dependence of event-by-event charge fluctuation on the energy, centrality, window size, resonance decay, and the final state interaction for $Pb+Pb$ collisions at SPS and…

Nuclear Theory · Physics 2009-11-07 Ben-Hao Sa , Xu Cai , Zong-Di Su , An Tai , Dai-Mei Zhou

We analyze the multiplicity correlations between distant forward and backward rapidity regions in relativistic heavy-ion collisions in a superposition framework, where the particle production occurs through independent emission from…

Nuclear Theory · Physics 2015-06-15 Adam Olszewski , Wojciech Broniowski

We construct net baryon number and strangeness susceptibilities as well as correlations between electric charge and strangeness from experimental data of the ALICE Collaboration at the CERN LHC. The data were taken in Pb-Pb collisions at…

High Energy Physics - Phenomenology · Physics 2015-06-02 Peter Braun-Munzinger , Alexander Kalweit , Krzysztof Redlich , Johanna Stachel

Two-particle correlations are a widely used tool for studying relativistic nuclear collisions. Multiplicity fluctuations comparing charge and particle species have been studied as a possible signal for Quark-Gluon Plasma (QGP) and the QCD…

Nuclear Theory · Physics 2023-01-09 Mary Cody , Sean Gavin , Brendan Koch , Mark Kocherovsky , Zoulfekar Mazloum , George Moschelli

We study the effect of enforcing exact conservation of charges in statistical models of particle production for systems as large as those relevant to relativistic heavy ion collisions. By using a numerical method developed for small…

Nuclear Theory · Physics 2014-11-18 A. Keranen , F. Becattini

Recent preliminary results on multiplicity fluctuations in p+p, Be+Be and Ar+Sc collisions from the NA61/SHINE collaboration are presented. The scaled variance of charged hadron multiplicity changes little when going from p+p to Be+Be…

High Energy Physics - Experiment · Physics 2019-08-14 Andrey Seryakov

The NA49 experiment has collected comprehensive data on particle production in nucleus-nucleus collisions over the whole SPS beam energies range, the critical energy domain where the expected phase transition to a deconfined phase is…

Nuclear Experiment · Physics 2019-08-14 G. L. Melkumov

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 phase diagram of the strongly interacting matter is the main research subject for different current and future experiments in high-energy physics. System size and energy scan programs aim to find a possible critical point. One of such…

Instrumentation and Detectors · Physics 2019-07-15 Andrey Seryakov

We derive the relation between cumulants of a conserved charge measured in a subvolume of a thermal system and the corresponding grand-canonical susceptibilities, taking into account exact global conservation of that charge. The derivation…

High Energy Physics - Phenomenology · Physics 2020-11-04 Volodymyr Vovchenko , Oleh Savchuk , Roman V. Poberezhnyuk , Mark I. Gorenstein , Volker Koch

High multiplicity events in p+p collisions are studied using the theory of the Color Glass Condensate. We show that intrinsic fluctuations of the proton saturation momentum scale are needed in addition to the sub-nucleonic color charge…

High Energy Physics - Phenomenology · Physics 2015-12-11 Larry McLerran , Prithwish Tribedy

We report the first measurement of the net-charge fluctuations in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV, measured with the ALICE detector at the CERN Large Hadron Collider. The dynamical fluctuations per unit entropy are…

Nuclear Experiment · Physics 2016-06-23 ALICE Collaboration

The system-size dependence of hadrochemistry at vanishing baryon density is considered within the canonical statistical model (CSM) with local exact conservation of three conserved charges, allowing for a possibility of strangeness…

High Energy Physics - Phenomenology · Physics 2019-11-27 Volodymyr Vovchenko , Benjamin Dönigus , Horst Stoecker

The Poisson-liked statistical fluctuations, which are caused by the finite number of produced particles, are firstly estimated for the cumulants of conserved charges, i.e., the cumulants of net-baryon, net-electric charge, and…

Nuclear Theory · Physics 2014-01-22 Xue Pan , Fan Zhang , Zhiming Li , Lizhu Chen , Mingmei Xu , Yuanfang Wu