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The measured particle ratios in central heavy-ion collisions at RHIC-BNL are investigated within a chemical and thermal equilibrium chiral SU(3) \sigma-\omega approach. The commonly adopted noninteracting gas calculations yield temperatures…

Nuclear Theory · Physics 2009-11-07 D. Zschiesche , S. Schramm , J. Schaffner-Bielich , H. Stoecker , W. Greiner

We extract chemical freeze-out conditions via a thermal model approach from fluctuation observables measured at RHIC and compare with results from lattice QCD and statistical hadronization model fits. The possible influence of additional…

High Energy Physics - Phenomenology · Physics 2014-08-21 Marcus Bluhm , Paolo Alba , Wanda Alberico , Rene Bellwied , Valentina Mantovani Sarti , Marlene Nahrgang , Claudia Ratti

Centrality-dependent double-differential transverse momentum spectra of negatively charged particles ($\pi^-$, $K^-$ and $\bar p$) at mid-(pseudo)rapidity interval in nuclear collisions are analyzed by the standard distribution in terms of…

High Energy Physics - Phenomenology · Physics 2020-05-28 Muhammad Waqas , Fu-Hu Liu , Zafar Wazir

RHIC data on high-$p_T$ hadron production display strong suppression in a wide rapidity region, indicating strong induced energy loss for both transversally and longitudinally traveling partons. We investigate the interplay of energy loss…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. G. Barnafoldi , P. Levai , G. Papp , G. Fai

We use a thermodynamically consistent form of Tsallis distribution to study the dependence of various thermodynamic quantities on the system size in high-energy collisions. The charged hadron spectra obtained in $p$+$p$, $p$+Pb, Xe+Xe, and…

High Energy Physics - Phenomenology · Physics 2024-01-25 Rishabh Sharma , Krishan Gopal , Sharang Rav Sharma , Chitrasen Jena

The experimental data from the RHIC and LHC experiments of invariant pT spectra in A+A and p + p collisions are analysed with Tsallis distributions in different approaches. The information about the freeze-out surface in terms of freeze-out…

High Energy Physics - Phenomenology · Physics 2016-11-22 Dhananjaya Thakur , Sushanta Tripathy , Prakhar Garg , Raghunath Sahoo , Jean Cleymans

The transverse momentum spectra of different types of particles produced in central and peripheral gold-gold (Au-Au) and (inelastic) proton-proton ($pp$) collisions at the Relativistic Heavy Ion Collider (RHIC), as well as in central and…

High Energy Physics - Phenomenology · Physics 2020-11-10 Muhammad Waqas , Fu-Hu Liu , Li-Li Li , Haidar Mas'ud Alfanda

The use of materials in particle accelerator applications implies the consideration of physical properties in different environments than usual industrial applications. Cryogenic temperatures, high radiation, medium to high vacuum and high…

Accelerator Physics · Physics 2025-09-25 Ana Arauzo

Recent experimental results: (i) the measurement of the $T \ln T$ specific heat in cuprates and the earlier such results in some heavy fermion compounds, (ii) the measurement of the single-particle scattering rates, (iii) the density…

Strongly Correlated Electrons · Physics 2020-07-15 Chandra M. Varma

We calculate the non-normalized moments of the particle multiplicity within the framework of the hadron resonance gas (HRG) model. At finite chemical potential $\mu$, a non-monotonic behavior is observed in the thermal evolution of third…

High Energy Physics - Phenomenology · Physics 2014-03-18 A. Tawfik

The investigation of temperature dependence of damping and period of vibrations of HTSC superconductive cylinder of Bi-Pb-Sr-Ca-Cu-O system suspended by a thin elastic thread and performing axial-torsional vibrations in a magnetic field at…

Superconductivity · Physics 2008-10-31 J. G. Chigvinadze , J. V. Acrivos , S. M. Ashimov , D. D. Gulamova , T. V. Machaidze , D. Uskenbaev

We investigate the transverse momentum spectra of identified particles at 7 TeV and 13 TeV in pp collisions in the framework of the blast wave model with Tsallis statistics (TBW). Based on experimental data by ALICE Collaboration, we…

High Energy Physics - Phenomenology · Physics 2024-06-10 Muhammad Waqas , Wolfgang Bietenholz , Mohamed Bouzidi , Muhammad Ajaz , Abd Al Karim Haj Ismail , Taoufik Saidani

We study the effect of separate chemical and kinetic freeze-outs to the ideal hydrodynamical flow in Au+Au collisions at RHIC (sqrt(s_NN) = 200 GeV energy). Unlike in earlier studies we explore how these effects can be counteracted by…

Nuclear Theory · Physics 2008-11-26 Pasi Huovinen

A model is developed to explain the temperature dependence of the group velocity as observed in the experiments of Hau et al (Nature {\bf397}, 594 (1999)). The group velocity is quite sensitive to the change in the spatial density. The…

Quantum Physics · Physics 2010-03-30 G. Morigi , G. S. Agarwal

Based on the data-driven analysis, the mid-rapidity transverse momentum spectra of charged hadrons produced in central and peripheral gold-gold (Au-Au) collisions from the Beam Energy Scan (BES) program at the relativistic Heavy Ion…

High Energy Physics - Phenomenology · Physics 2019-09-26 Muhammad Waqas , Bao-Chun Li

This study investigates transverse-momentum (pT) distributions of pi-, pi+, K-, K+, p, pbar, K0s, and Lambda in several centrality classes of Pb-Pb collisions at sqrt(sNN) = 2.76 TeV. The measured spectra are analyzed with the Tsallis…

High Energy Physics - Phenomenology · Physics 2026-02-04 Haifa I. Alrebdi , Muhammad Ajaz , Murad Badshah , Mohammad Ayaz Ahmad

We argue that hadron multiplicities in central high energy nucleus-nucleus collisions are established very close to the phase boundary between hadronic and quark matter. In the hadronic picture this can be described by multi-particle…

Nuclear Theory · Physics 2008-11-26 P. Braun-Munzinger , J. Stachel , C. Wetterich

The finite-temperature transport properties of FeRh compounds are investigated by first-principles Density Functional Theory-based calculations. The focus is on the behavior of the longitudinal resistivity with rising temperature, which…

We use the extended statistical thermal model to describe various hadron rapidity spectra at the highest RHIC energy (200 GeV/A). The model assumes the formation of hot and dense regions moving along the beam axis with increasing…

High Energy Physics - Phenomenology · Physics 2009-11-03 Saeed Uddin , Majhar Ali , Jan Shabir , M. Farooq Mir

Estimation of the freeze-out parameters as the function of rapidity in Pb+Pb collisions at $\sqrt{s_{NN}}=72$ GeV in the AFTER@LHC project is performed. The conventional hadron resonance gas model is used for the analysis of the events…

Nuclear Theory · Physics 2018-09-19 Viktor Begun , Daniel Kikoła , Volodymyr Vovchenko , Daniel Wielanek
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