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The collision system and multiplicity dependence of chemical freeze-out temperature ($T_{\rm ch}$) and strangeness saturation factor ($\gamma_{s}$) are obtained by studying the particle ratios at the Large Hadron Collider (LHC) energies.…

High Energy Physics - Phenomenology · Physics 2019-09-02 Rutuparna Rath , Arvind Khuntia , Raghunath Sahoo

The data on hadron transverse momentum spectra in different centrality classes of p+Pb collisions at $\sqrt{s}_{NN} = 5.02$ TeV has been analysed to extract the freezeout hypersurface within a simultaneous chemical and kinetic freezeout…

High Energy Physics - Phenomenology · Physics 2018-12-12 Ajay Kumar Dash , Ranbir Singh , Sandeep Chatterjee , Chitrasen Jena , Bedangadas Mohanty

We perform a systematic thermal analysis of identified hadron yields measured by the ALICE Collaboration in proton-proton collisions at $\sqrt{s}=7$ TeV across charged-particle multiplicity classes within the statistical hadronization model…

High Energy Physics - Phenomenology · Physics 2026-04-07 R. C. Baral

We study the data on mean hadron yields and contrast the chemical freezeout conditions in p+p, p+Pb and Pb+Pb at the Large Hadron Collider (LHC) energies. We study several schemes for freezeout that mainly differ in the way strangeness is…

Nuclear Theory · Physics 2017-09-07 Sandeep Chatterjee , Ajay Kumar Dash , Bedangadas Mohanty

We analyse the centrality dependence of thermal parameters deduced from hadron m ultiplicities in Au + Au collisions at $\sqrt{s_{NN}} = 130 GeV$. While the chemical freeze-out temperature and chemical potentials are found to be roughly…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Cleymans , B. Kampfer , M. Kaneta , S. Wheaton , N. Xu

We present an analysis of hadronic multiplicities measured in Pb-Pb collisions at \sqrt s_{NN} = 2.76 TeV as a function of the collision centrality within the statistical hadronization model. Evidence is found of a dependence of the…

Nuclear Theory · Physics 2014-11-19 F. Becattini , M. Bleicher , E. Grossi , J. Steinheimer , R. Stock

The present knowledge about hadrons produced in relativistic heavy ion collisions is compatible with chemical freeze-out happening when the energy density divided by the particle density reaches the value of 1 GeV. This observation is used…

Nuclear Theory · Physics 2014-11-18 J. Cleymans , K. Redlich

We examined the transverse momentum spectra of various identified particles, across different multiplicity classes in proton-proton collisions at a center-of-mass energy of $\sqrt{s}$ = 7 TeV. Utilizing the Tsallis and Hagedorn models,…

The event-shape and multiplicity dependence of the chemical freeze-out temperature ($T_{\text{ch}}$), freeze-out radius ($R$), and strangeness saturation factor ($\gamma_{s}$) are obtained by studying the particle yields from the PYTHIA8…

High Energy Physics - Phenomenology · Physics 2020-12-11 Rutuparna Rath , Arvind Khuntia , Sushanta Tripathy , Raghunath Sahoo

The data on average hadron multiplicities in central A+A collisions measured at CERN SPS are analysed with the ideal hadron gas model. It is shown that the full chemical equilibrium version of the model fails to describe the experimental…

High Energy Physics - Phenomenology · Physics 2011-09-13 F. Becattini , M. Gazdzicki , J. Sollfrank

New results of the NA61/SHINE Collaboration at the CERN SPS on mean hadron multiplicities in proton-proton (p+p) interactions are analyzed within the transport models and the hadron resonance gas (HRG) statistical model. The chemical…

Nuclear Theory · Physics 2016-07-07 V. Vovchenko , V. V. Begun , M. I. Gorenstein

Driven by the Beam Energy Scan (BES) program at the RHIC, researches and discussions on the QCD phase diagram have flourished recently. In order to provide a reference from microscopic transport models, we performed a systematic analysis,…

High Energy Physics - Phenomenology · Physics 2014-09-04 N. Yu , F. Liu , K. Wu

The freezeout conditions in proton-proton collisions at $\sqrt{s_{\textrm{NN}}}= 200$, $900$ and $7000$ GeV have been extracted by fits to the mean hadron yields at mid-rapidity within the framework of the statistical model of an ideal gas…

Nuclear Theory · Physics 2017-01-26 Sabita Das , Debadeepti Mishra , Sandeep Chatterjee , Bedangadas Mohanty

The transverse momentum ($p_{\rm T}$) spectra in proton-proton collisions at $\sqrt{s}$ = 7 TeV, measured by the ALICE experiment at the LHC are analyzed with a thermodynamically consistent Tsallis distribution. The information about the…

High Energy Physics - Phenomenology · Physics 2017-05-19 Arvind Khuntia , Sushanta Tripathy , Raghunath Sahoo , Jean Cleymans

We have estimated centrality variation of chemical freeze-out parameters from yield data at mid-rapidity of $\pi^\pm$, $K^\pm$ and $p$, $\bar{p}$ for collision energies of RHIC (Relativistic Heavy Ion Collider), Beam Energy Scan (RHIC-BES)…

High Energy Physics - Phenomenology · Physics 2021-04-29 Deeptak Biswas

% An analysis is made of the particle composition (hadrochemistry) of the final state in proton-proton (p-p), proton-lead (p-Pb) and lead-lead (Pb-Pb) collisions as a function of the charged particle multiplicity ($\dNchdeta$). The thermal…

High Energy Physics - Phenomenology · Physics 2019-05-01 Natasha Sharma , Jean Cleymans , Boris Hippolyte , Masimba Paradza

In this article, we will present a systematic analysis of transverse momentum spectra of the strange hadron in different multiplicity events produced in pp collision at $\sqrt{s}$ = 7 TeV, pPb collision at $\sqrt{s_{NN}}$ = 5.02 TeV and…

High Energy Physics - Phenomenology · Physics 2018-05-31 Kapil Saraswat , Prashant Shukla , Vineet Kumar , Venktesh Singh

Comprehensive results on the production of unidentified charged particles, $\pi^{\pm}$, $\rm{K}^{\pm}$, $\rm{K}^{0}_{S}$, $\rm{K}$*(892)$^{0}$, $\rm{p}$, $\overline{\rm{p}}$, $\phi$(1020), $\Lambda$, $\overline{\Lambda}$, $\Xi^{-}$,…

Nuclear Experiment · Physics 2019-05-31 ALICE Collaboration

Here we thoroughly discuss some weak points of the thermal model which is traditionally used to describe the hadron multiplicities measured in the central nucleus-nucleus collisions. In particularly, the role of conservation laws, the…

High Energy Physics - Phenomenology · Physics 2014-04-18 D. R. Oliinychenko , K. A. Bugaev , A. S. Sorin

We present a detailed study of chemical freeze-out in p-p, C-C, Si-Si and Pb-Pb collisions at beam momenta of 158A GeV as well as Pb-Pb collisions at beam momenta of 20A, 30A, 40A and 80A GeV. By analyzing hadronic multiplicities within the…

High Energy Physics - Phenomenology · Physics 2009-11-11 F. Becattini , J. Manninen , M. Gazdzicki
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