English
Related papers

Related papers: Statistical and Dynamic Models of Charge Balance F…

200 papers

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 notion of charge balance function, originally designed to study the evolution of charge production in heavy-ion collisions, is extended to consider quark flavor balancing. This extension is considered based on simulations performed with…

High Energy Physics - Phenomenology · Physics 2024-08-20 Yash Patley , Basanta Nandi , Sadhana Dash , Victor Gonzalez , Claude Pruneau

Mixed species charge and baryon balance functions are computed based on proton--proton (pp) collisions simulated with the PYTHIA8 model. Simulations are performed with selected values of the collision energy $\sqrt{s}$ and the Monash tune…

High Energy Physics - Phenomenology · Physics 2024-03-26 Claude Pruneau , Sumit Basu , Victor Gonzalez , Brian Hanley , Ana Marin , Alexandru F. Dobrin , Alexandru Manea

We apply stochastic hydrodynamics to the study of charge density fluctuations in QCD matter undergoing Bjorken expansion. We find that the charge density correlations are given by a time integral over the history of the system, with the…

Nuclear Theory · Physics 2014-06-09 B. Ling , T. Springer , M. Stephanov

Hyperon resonances are becoming an extremely useful tool allowing the study of the properties of hadronic fireballs made in heavy ion collisions. Their yield, compared to stable particles with the same quark composition, depends on…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Markert , G. Torrieri , J. Rafelski

We show that the simultaneous measurement of yields and fluctuations in heavy ion collisions is capable of falsifying and constraining the statistical hadronization model. We show how such a measurement can test for chemical…

Nuclear Theory · Physics 2007-05-23 Giorgio Torrieri , Sangyong Jeon , Johann Rafelski

Recently there have been suggestions that for a proper description of hadronic matter and hadronic correlation functions within the NJL model at finite density/temperature the parameters of the model should be taken density/temperature…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. L. S. Farias , G. Krein , O. A. Battistel

The finite temperature chiral condensate for 2+1 quark flavors is considered in the framework of the hadron resonance gas model. This requires some dynamical information, for which two models are employed: one based on the quark structure…

High Energy Physics - Phenomenology · Physics 2013-06-05 J. Jankowski , D. Blaschke , M. Spalinski

Thermal statistical models are simple and effective tool to describe particle production in high energy heavy ion collision. It is shown that for higher moments finite volume corrections become important observable quantities. They make…

High Energy Physics - Theory · Physics 2008-12-18 Ludwik Turko

We discuss the information that can be obtained from an analysis of fluctuations in heavy ion collisions within the context of the statistical model of particle production. We then examine the recently published experimental data on ratio…

Nuclear Theory · Physics 2012-02-22 Giorgio Torrieri , Rene Bellwied , Christina Markert , Gary Westfall

This work presents a formalism to compute spatial $n$-point correlations of a conserved charge density in a large thermal system in the canonical ensemble, with explicit results presented up to 4th order. The resulting correlators contain…

High Energy Physics - Phenomenology · Physics 2024-12-23 Volodymyr Vovchenko

An examination of thermal models leads to the important signature of the expected critical behavior of the hadronic matter. A presentation is mainly devoted to the final volume effects. Canonical suppression factor are calculated.

High Energy Physics - Phenomenology · Physics 2009-01-19 Ludwik Turko

Bulk matter produced in heavy ion collisions has multiple conserved quantum numbers like baryon number, strangeness and electric charge. The diffusion process of these charges can be described by a diffusion matrix describing the…

Nuclear Theory · Physics 2022-08-31 Arpan Das , Hiranmaya Mishra , Ranjita K. Mohapatra

At the early stage of heavy ion collisions, non-trivial topologies of the gauge fields can be created resulting in an imbalance of axial charge density and eventually separation of electric charges along the direction of the magnetic field…

Nuclear Theory · Physics 2019-02-27 Sk Noor Alam , Subhasis Chattopadhyay

Detailed information on decay channel probabilities is absent for many high mass resonances, which are typically included in thermal models. In these cases, the sum over all known decay branching probabilities is smaller than 1. Due to this…

Nuclear Theory · Physics 2017-01-13 V. V. Begun , V. Yu. Vovchenko , M. I. Gorenstein

The systematics of Statistical Model parameters extracted from heavy-ion collisions at lower energies are exploited to extrapolate in the LHC regime. Predictions of various particle ratios are presented and particle production in central…

High Energy Physics - Phenomenology · Physics 2009-11-11 I. Kraus , J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

Electric charge correlations are studied with the Balance Function method for central Pb + Pb collisions at the CERN - SPS. The results on centrality selected Pb + Pb interactions at 40 and 158 AGeV are presented for the first time for two…

Nuclear Experiment · Physics 2012-08-27 NA49 Collaboration

Higher moments of distributions of net charge and baryon number in heavy-ion collisions have been proposed as signals of fundamental QCD phase transitions. In order to better understand background processes for these observables, models are…

Nuclear Theory · Physics 2021-01-04 Scott Pratt , Rachel Steinhorst

The time evolution of pseudorapidity distributions of produced charged hadrons in d+Au collisions at sqrt(s_NN) = 200 GeV is investigated. Results of a nonequilibrium-statistical Relativistic Diffusion Model with three sources are compared…

High Energy Physics - Phenomenology · Physics 2008-11-26 Georg Wolschin , Minoru Biyajima , Takuya Mizoguchi

The thermal model is commonly used in two different ways for the description of hadron production in ultra-relativistic heavy ion collision. One is the application of the thermal model to 4pi integrated data and the other is the thermal…

Nuclear Theory · Physics 2008-11-26 J. Sollfrank