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Particle production yields measured in central Au-Au collision at RHIC are obtained with free Fermi and Bose gases and also with a replacement of these statistics by non-extensive statistics. For the latter calculation, a set of different…

High Energy Physics - Phenomenology · Physics 2024-09-04 Juliana O. Costa , Isabelle Aguiar , Jadna L. Barauna , Eugenio Megías , Airton Deppman , Tiago N. da Silva , Débora P. Menezes

We apply the Bayesian model selection method (based on the Bayes factor) to optimize $\sqrt{s_\mathrm{NN}}$-dependence in the phenomenological parameters of the (3+1)-dimensional hybrid framework for describing relativistic heavy-ion…

Nuclear Theory · Physics 2026-03-02 Syed Afrid Jahan , Hendrik Roch , Chun Shen

Improved constraints on current model parameters in a heavy-ion collision model are established using the latest measurements from three distinct collision systems. Various observables are utilized from Au--Au collisions at…

High Energy Physics - Phenomenology · Physics 2024-11-05 Maxim Virta , Jasper Parkkila , Dong Jo Kim

The hadron ratios measured in central Au-Au collisions are analysed by means of Hadron Resonance Gas (HRG) model over a wide range of nucleon-nucleon center-of-mass energies ranging from 7.7 to 200 GeV as offered by the STAR Beam Energy…

Nuclear Theory · Physics 2013-12-02 A. Tawfik , E. Abbas

Following the basic prescriptions of the relativistic Tsallis' non-extensive thermostatistics, we investigate from a phenomenological point of view the relevance of non-extensive statistical effects on relativistic heavy-ion collisions…

Nuclear Theory · Physics 2014-11-18 W. M. Alberico , A. Lavagno

Heavy-ion collisions provide a window into the properties of many-body systems of deconfined quarks and gluons. Understanding the collective properties of quarks and gluons is possible by comparing models of heavy-ion collisions to…

Nuclear Theory · Physics 2025-02-06 Jean-François Paquet

We present an analysis of particle production yields measured in central Au-Au collisions at RHIC in the framework of the statistical thermal model. We demonstrate that the model extrapolated from previous analyses at SPS and AGS energy is…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. Braun-Munzinger , D. Magestro , K. Redlich , J. Stachel

The analysis of high-energy particle collisions is an excellent testbed for the non-extensive statistical approach. In these reactions we are far from the thermodynamical limit. In small colliding systems, such as electron-positron or…

High Energy Physics - Phenomenology · Physics 2017-02-27 Gábor Bíró , Gergely Gábor Barnaföldi , Tamás Sándor Biró , Károly Ürmössy , Ádám Takács

The particle production in relativistic heavy-ion collisions seems to be created in a dynamically disordered system which can be best described by an extended exponential entropy. In distinguishing between the applicability of this and…

Nuclear Theory · Physics 2018-05-29 Abdel Nasser Tawfik , Hayam Yassin , Eman R. Abo Elyazeed

The quality of data taken at RHIC and LHC as well as the success and sophistication of computational models for the description of ultra-relativistic heavy-ion collisions have advanced to a level that allows for the quantitative extraction…

Nuclear Theory · Physics 2018-03-14 Steffen A. Bass , Jonah E. Bernhard , J. Scott Moreland

The HADES data from p+Nb collisions at center of mass energy of $\sqrt{s_{NN}}$= 3.2 GeV are analyzed by employing a statistical model. Accounting for the identified hadrons $\pi^0$, $\eta$, $\Lambda$, $K^{0}_{s}$, $\omega$ allows a…

Nuclear Experiment · Physics 2015-12-23 G. Agakishiev , O. Arnold , A. Balanda , D. Belver , A. Belyaev , J. C. Berger-Chen , A. Blanco , M. Böhmer , J. L. Boyard , P. Cabanelas , E. Castro , S. Chernenko , M. Destefanis , F. Dohrmann , A. Dybczak , E. Epple , L. Fabbietti , O. Fateev , P. Finocchiaro , P. Fonte , J. Friese , I. Fröhlich , T. Galatyuk , J. A. Garzon , R. Gernhäuser , C. Gilardi , K. Göbel , M. Golubeva , D. Gonzalez-Diaz , F. Guber , M. Gumberidze , T. Heinz , T. Hennino , R. Holzmann , A. Ierusalimov , I. Iori , A. Ivashkin , M. Jurkovic , B. Kämpfer , T. Karavicheva , I. Koenig , W. Koenig , B. W. Kolb , G. Kornakov , R. Kotte , A. Krasa , F. Krizek , R. Krücken , H. Kuc , W. Kühn , A. Kugler , A. Kurepin , V. Ladygin , R. Lalik , J. S. Lange , S. Lang , K. Lapidus , A. Lebedev , T. Liu , L. Lopes , M. Lorenz , L. Maier , A. Mangiarotti , J. Markert , V. Metag , B. Michalska , J. Michel , E. Moriniere , J. Mousa , C. Müntz , R. Münzer , L. Naumann , Y. C. Pachmayer , M. Palka , Y. Parpottas , V. Pechenov , O. Pechenova , J. Pietraszko , W. Przygoda , B. Ramstein , L. Rehnisch , A. Reshetin , A. Rustamov , A. Sadovsky , P. Salabura , T. Scheib , A. Schmah , H. Schuldes , E. Schwab , J. Siebenson , Yu. G. Sobolev , S. Spataro , B. Spruck , H. Ströbele , J. Stroth , C. Sturm , A. Tarantola , K. Teilab , P. Tlusty , M. Traxler , R. Trebacz , H. Tsertos , T. Vasiliev , V. Wagner , M. Weber , C. Wendisch , M. Wisniowski , J. Wüstenfeld , S. Yurevich , Y. Zanevsky

Recent work has provided the means to rigorously determine properties of super-hadronic matter from experimental data through the application of broad scale modeling of high-energy nuclear collisions within a Bayesian framework. These…

Nuclear Theory · Physics 2016-03-23 Evan Sangaline , Scott Pratt

In this letter, we present the multiplicity and yields of charged hadrons and particle ratios in d-Au collisions at $\sqrt{s_{NN}}= 200$ GeV using the PYTHIA8/Angantyr. The model reproduces the multiplicity ($N_{ch}$) and pseudo-rapidity…

Nuclear Theory · Physics 2025-07-01 Satya Ranjan Nayak , Akash Das , B. K. Singh

The yields and ratios of light nuclei in heavy-ion collisions offer a method to distinguish between the thermal and coalescence models. Ratios such as $\rm N_t \times N_p/N_d^2$ and $\rm N_{^3He} \times N_p/N_d^2$ are suggested as potential…

Nuclear Experiment · Physics 2024-12-03 Yixuan Jin

We recapitulate a thermodynamically consistent excluded volume hadron gas model and examine its differences with other ``thermal models'' used in the literature. Preliminary experimental data for particle number ratios in the collisions of…

Nuclear Theory · Physics 2008-11-26 Granddon D. Yen , Mark I. Gorenstein , Walter Greiner , Shin Nan Yang

We introduce a novel deep convolutional neural network (NN) -enhanced Bayesian global analysis of bulk observables in highest-energy heavy-ion collisions, using relativistic 2+1 D second-order viscous hydrodynamics with a dynamical…

High Energy Physics - Phenomenology · Physics 2026-03-30 Jussi Auvinen , Kari J. Eskola , Henry Hirvonen , Harri Niemi

We quantitatively estimate properties of the quark-gluon plasma created in ultra-relativistic heavy-ion collisions utilizing Bayesian statistics and a multi-parameter model-to-data comparison. The study is performed using a recently…

Nuclear Theory · Physics 2016-08-22 Jonah E. Bernhard , J. Scott Moreland , Steffen A. Bass , Jia Liu , Ulrich Heinz

The grand-canonical version of the thermal model is used to analyze the ratios of particle abundances measured in ultra-relativistic heavy-ion collisions. Exactly the same model is applied to study the heavy-ion reactions at BNL AGS, CERN…

Nuclear Theory · Physics 2007-05-23 Mariusz Michalec

In characterizing the yields and ratios various of well identified particles in the ALICE experiment, we utilize extensive {\it additive} thermal approaches, to which various missing states of the hadron resonances are taken into…

High Energy Physics - Phenomenology · Physics 2019-07-01 Abdel Nasser Tawfik , Hayam Yassin , Eman R. Abo Elyazeed

Attention is drawn to the role played by the size of the system in the thermodynamic analysis of particle yields in relativistic heavy ion collisions at SIS energies. This manifests itself in the non-linear dependence of K+ and K- yields in…

Nuclear Theory · Physics 2011-05-05 J. Cleymans , H. Oeschler , K. Redlich
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