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An improved Tsallis statistics is implemented in a multisource thermal model to describe systematically pseudorapidity spectra of charged particles produced in relativistic nucleon-nucleon ($pp$ or $p\overline{p}$) collisions at various…

High Energy Physics - Phenomenology · Physics 2014-03-18 Bao-Chun Li , Ya-Zhou Wang , Fu-Hu Liu , Xin-Jian Wen , You-Er Dong

Transverse momentum spectra of direct (prompt) photons from two-body processes in high-energy proton-proton (p+p) collisions are analyzed in this paper. We collected the experimental invariant cross-sections at mid-rapidity in p+p…

High Energy Physics - Phenomenology · Physics 2022-03-22 Qiang Zhang , Ya-Qin Gao , Fu-Hu Liu , Khusniddin K. Olimov

With the framework of the multi-source thermal model, we analyze the experimental transverse momentum spectra of various jets produced in different collisions at high energies. Two energy sources, a projectile participant quark and a target…

High Energy Physics - Phenomenology · Physics 2021-01-14 Yang-Ming Tai , Pei-Pin Yang , Fu-Hu Liu

The transverse momentum spectra of charged pions, kaons, and protons produced at mid-rapidity in central nucleus-nucleus (AA) collisions at high energies are analyzed by considering particles to be created from two participant partons which…

High Energy Physics - Phenomenology · Physics 2021-04-20 Li-Li Li , Fu-Hu Liu , Khusniddin K. Olimov

We report the measured transverse momentum ($p_{\rm T}$) spectra of primary charged particles from pp, p-Pb and Pb-Pb collisions at a center-of-mass energy $\sqrt{s_{\rm NN}} = 5.02$ TeV in the kinematic range of $0.15<p_{\rm T}<50$ GeV/$c$…

Nuclear Experiment · Physics 2019-01-23 ALICE Collaboration

We investigate the charged particle spectra produced in the heavy-ion collisions at nine centralities from different systems, i.e., Pb+Pb at $\sqrt{s_{NN}}=2.76$ TeV and 5.02 TeV as well as Xe+Xe at $\sqrt{s_{NN}}=5.44$ TeV, at Large Hadron…

Nuclear Theory · Physics 2020-06-03 Hua Zheng , Xiangrong Zhu , Lilin Zhu , Aldo Bonasera

The transverse momentum spectra of secondary pions and kaons, produced in $P+P$ and various central $Pb+Pb$ collisions at $\sqrt{s_{NN}}=2.76$ TeV at LHC, have been analyzed systematically with an approach based on Tsallis non-extensive…

Nuclear Theory · Physics 2014-08-27 Bhaskar De

Transverse momentum spectra of negative and positive pions produced at mid-(pseudo)rapidity in inelastic or non-single-diffractive proton-proton collisions over a center-of-mass energy, $\sqrt{s}$, range from a few GeV to above 10 TeV are…

High Energy Physics - Phenomenology · Physics 2020-06-16 Li-Li Li , Fu-Hu Liu

Tsallis Statistics was used to investigate the non-Boltzmann distribution of particle spectra and their dependence on particle species and beam energy in the relativistic heavy-ion collisions at SPS and RHIC. Produced particles are assumed…

Nuclear Experiment · Physics 2010-12-02 Ming Shao , Li Yi , Zebo Tang , Hongfang Chen , Cheng Li , Zhangbu Xu

We analyze identified hadron spectra in pp collisions at $\sqrt{s} = 13$ TeV measured by ALICE within a non-extensive statistical framework. Spectra classified by multiplicity, flattenicity, and spherocity were fitted with the…

High Energy Physics - Phenomenology · Physics 2026-01-27 Laszlo Gyulai , Gabor Biro , Robert Vertesi , Gergely Gabor Barnafoldi

Transverse momentum spectra of different particles produced in mid-rapidity interval in lead-lead (Pb-Pb) collisions with different centrality intervals, measured by the ALICE Collaboration at center-of-mass energy per nucleon pair…

Nuclear Theory · Physics 2016-07-28 Hai-Ling Lao , Hua-Rong Wei , Fu-Hu Liu , Roy A. Lacey

A detailed analysis is presented of the precise values of the Tsallis parameters obtained in $p-p$ collisions for identified particles, pions, kaons and protons at the LHC at three beam energies $\sqrt{s} = 0.9, 2.76$ and $7$ TeV.…

High Energy Physics - Phenomenology · Physics 2018-04-18 T. Bhattacharyya , J. Cleymans , L. Marques , S. Mogliacci , M. W. Paradza

In this paper, by using a Tsallis-Pareto-type function and the multisource thermal model, the elliptic flow coefficients of particles $\pi ^{\pm }$, $K^{\pm }$, $p+\overline{p}$, $\Lambda +\overline{% \Lambda }$, and $K_{S}^{0}$ produced in…

High Energy Physics - Phenomenology · Physics 2019-08-13 Er-Qin Wang , Yin-Qun Ma , Li-Na Gao , San-Hong Fan

An approach, based on Tsallis non-extensive statistics, has been employed, here, to analyse, systematically, the $p_T$-spectra of various identified secondary hadrons like pions, kaons, protons and antiprotons, produced in different central…

Nuclear Theory · Physics 2014-09-11 Bhaskar De

We review transverse momentum distributions of various identified charged particles stemming from high energy collisions fitted by various non-extensive distributions as well as by the usual Boltzmann-Gibbs statistics. We investigate the…

High Energy Physics - Phenomenology · Physics 2019-08-14 Keming Shen , Gergely Gábor Barnaföldi , Tamás Sándor Biró

We study the transverse momenta and (pseudo)rapidity spectrum of the top quark and their decay products, the tt-system, and the total number of jets in proton-proton (pp) collisions at 13 TeV by using the Tsallis-Pareto-type function and…

High Energy Physics - Phenomenology · Physics 2020-12-14 Li-Na Gao , Er-Qin Wang

In the framework of a multisource thermal model, we describe experimental results of the transverse momentum spectra of final-state light flavour particles produced in gold-gold (Au-Au), copper-copper (Cu-Cu), lead-lead (Pb-Pb), proton-lead…

Nuclear Experiment · Physics 2016-10-26 Hua-Rong Wei , Fu-Hu Liu , Roy A. Lacey

Differential cross sections of charged particles in inelastic pp collisions as a function of $p_{\rm T}$ have been measured at $\sqrt{s}=$ 0.9, 2.76 and 7 TeV at the LHC. The $p_{\rm T}$ spectra are compared to NLO-pQCD calculations. Though…

Nuclear Experiment · Physics 2014-11-05 ALICE Collaboration

We expand the Tsallis distribution in a Taylor series of powers of (q-1), where q is the Tsallis parameter, assuming q is very close to 1. This helps in studying the degree of deviation of transverse momentum spectra and other thermodynamic…

High Energy Physics - Phenomenology · Physics 2016-02-23 Trambak Bhattacharyya , Jean Cleymans , Arvind Khuntia , Pooja Pareek , Raghunath Sahoo

We compare two types of Tsallis distribution, i.e., with and without thermodynamical description, using the experimental data from the STAR, PHENIX, ALICE and CMS Collaborations on the rapidity and energy dependence of the transverse…

Nuclear Theory · Physics 2015-12-14 H. Zheng , Lilin Zhu