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Related papers: Non-extensivity of hadronic systems

200 papers

Transverse momentum $p_{\rm T}$ spectra and anisotropic flow distributions are studied for charmonia and charmed hadrons produced in Pb-Pb collisions and measured with the ALICE detector at the CERN Large Hadron Collider (LHC). The…

High Energy Physics - Phenomenology · Physics 2025-06-25 Anton Andronic , Peter Braun-Munzinger , Hjalmar Brunßen , Jana Crkovská , Johanna Stachel , Vytautas Vislavicius , Martin Völkl

By studying experimental data for invariant transverse momentum distribution $f(p_{T})$ of hadrons in high energy $pp$, $p$A and AA collisions, we find two characteristic $p_{T}$ points relating to the behavior of $\left[\ln…

High Energy Physics - Phenomenology · Physics 2025-12-18 Jun Song , Hai-hong Li , Feng-lan Shao

Measurements of inclusive spectra of hadrons at large transverse momentum over a broad range of energy in different collision systems have been performed with the PHENIX experiment at RHIC. The data allow to study the energy and system size…

Nuclear Experiment · Physics 2008-11-26 B. Sahlmueller

Numerous papers have appeared recently showing fits to transverse momentum ($p_T$) spectra measured at the Large Hadron Collider (LHC) in proton - proton collisions.This talk focuses on the fits extending to very large values of the…

High Energy Physics - Phenomenology · Physics 2017-03-08 J. Cleymans

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

We investigate the transverse momentum distribution (TMD) statistics from three different theoretical approaches. In particular, we explore the framework used for string models, wherein the particle production is given by the Schwinger…

High Energy Physics - Phenomenology · Physics 2024-03-22 D. Rosales Herrera , J. R. Alvarado García , A. Fernández Téllez , J. E. Ramírez , C. Pajares

The multiplicity, average transverse momentum, and charged particle transverse momentum distributions have recently been measured in LHC experiments. The multiplicity and average transverse momentum grow with beam energy. Such growth is…

High Energy Physics - Phenomenology · Physics 2014-11-21 Larry McLerran , Michal Praszalowicz

PHENIX has measured high transverse momentum (pT) identified hadrons in different collision species and energies in the last five RHIC runs. The systematic study of the high pT hadron production provides an idea on interaction of hard…

Nuclear Experiment · Physics 2008-11-26 Takao Sakaguchi

We deduce the particle distributions in particle collisions with multihadron-production in the framework of mechanical statistics. They are derived as functions of x, P_T^2 and the rest mass of different species for a fixed total number of…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Buccella , L. Popova

We provide the first theoretical study of a novel variable, $a_T$, proposed in Ref.[1] as a more accurate probe of the region of low transverse momentum $p_T$, for the $Z$ boson $p_T$ distribution at hadron colliders. The $a_T$ is the…

High Energy Physics - Phenomenology · Physics 2010-05-27 Andrea Banfi , Mrinal Dasgupta , Rosa Maria Duran Delgado

The non-extensive canonical ensemble theory is reconsidered with the method of Lagrange multipliers by maximizing Tsallis entropy, with the constraint that the normalized term of Tsallis' $q-$average of physical quantities, the sum $\sum…

Statistical Mechanics · Physics 2017-07-18 Ke-Ming Shen , Ben-Wei Zhang , En-Ke Wang

We derive a nonperturbative transverse momentum distribution for partons using a potential model to describe the quark-quark interaction inside the proton. We use this distribution to calculate the diferential cross-section of…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. K. Diakonos , G. D. Galanopoulos , X. N. Maintas

The transverse momentum ($p_T$) and pseudorapidity ($\eta$) spectra of charged particles produced in proton-proton ($pp$) and lead-lead (Pb-Pb) collisions at the large hadron collider (LHC) are described by a hybrid model. In the model, the…

High Energy Physics - Phenomenology · Physics 2017-01-13 Ya-Hui Chen , Fu-Hu Liu , Sakina Fakhraddin , Magda A. Rahim , Mai-Ying Duan

A detailed analysis is performed of transverse momentum spectra of several identified hadrons in high energy collisions within the framework of the statistical model of hadronisation. The effect of the decay chain following hadron…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Becattini , L. Bellucci , G. Passaleva

In this paper we present a new derivation of the $H$-theorem and the corresponding collisional equilibrium velocity distributions, within the framework of Tsallis' nonextensive thermostatistics. Unlike previous works, in our derivation we…

Statistical Mechanics · Physics 2009-11-10 Fernando M. Ramos , Reinaldo R. Rosa , Luis A. W. Bambace

There is no accepted mechanism that explains the equilibrium structures that form in collisionless cosmological N-body simulations. Recent work has identified nonextensive thermodynamics as an innovative approach to the problem. The…

Astrophysics · Physics 2008-11-26 Eric I. Barnes , Liliya L. R. Williams , Arif Babul , Julianne J. Dalcanton

In this work, we investigate the drag and diffusion coefficients of various hadrons propagating through a hadronic thermal bath by employing the Fokker Planck equation within the framework of Tsallis nonextensive statistics. The…

High Energy Physics - Phenomenology · Physics 2026-02-10 Aditya Kumar Singh , Swatantra Kumar Tiwari

Thermodynamic characteristics of the radiation of condensed combustion products presented in the form of agglomerates of metal-oxide nanoparticles demonstrate deviations from the classical Planck's law. We propose to interpret these…

Plasma Physics · Physics 2022-03-29 G. S. Dragan , V. V. Kutarov , A. Y. Bekshaev

During the past few years, nonextensive statistics has been successfully applied to explain many different kinds of systems. Through these studies some interpretations of the entropic parameter q, which has major role in this statistics, in…

Statistical Mechanics · Physics 2011-07-01 D. O. Soares-Pinto , M. S. Reis , R. S. Sarthour , I. S. Oliveira

We present a comprehensive overview of theory-data comparisons for inclusive jet production. Theory predictions are derived for recent parton distribution functions and compared with jet data from different hadron-induced processes at…

High Energy Physics - Phenomenology · Physics 2011-09-08 M. Wobisch , D. Britzger , T. Kluge , K. Rabbertz , F. Stober