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We compare multiplicities as well as rapidity and transverse momentum distributions of protons, pions and kaons calculated within presently available transport approaches for heavy ion collisions around 1 AGeV. For this purpose, three…

In this thesis a set of methods identifying minijet from final state particles in the relativistic heavy ion collision events is established and the parameter dependence has been investigated in Au+Au collisions at $\sqrt s= 200$GeV using a…

High Energy Physics - Phenomenology · Physics 2014-09-30 Li De-sheng , Tian Feng-Ge , Chen Gang

Emission asymmetries between pions and kaons reflect the role of the hadronic phase in the cooling of a droplet of deconfined strongly-interacting matter. This study compares results from two models at the same collision energy of…

High Energy Physics - Phenomenology · Physics 2026-01-30 P. Chakraborty , G. Kornakov , A. Kisiel , Yu. M. Sinyukov , V. M. Shapoval , S. Dash

Using the string melting version of a multiphase transport model, we focus on the evolution of thermodynamic properties of the central cell of parton matter produced in Au$+$Au collisions ranging from 200 GeV down to 2.7 GeV. The…

Nuclear Theory · Physics 2022-04-01 Han-Sheng Wang , Guo-Liang Ma , Zi-Wei Lin , Wei-jie Fu

Higher-order anisotropic flows $v_{4}$ and $v_{6}$ in heavy ion collisions at the Relativistic Heavy Ion Collider are studied in a multiphase transport model that has previously been used successfully for describing the elliptic flow $v_2$…

Nuclear Theory · Physics 2009-11-10 Lie-Wen Chen , C. M. Ko , Zi-Wei Lin

The production and space-time evolution of charm and bottom quarks in nucleus-nucleus collisions at RHIC and LHC are investigated with the partonic transport model BAMPS (Boltzmann Approach of MultiParton Scatterings). Heavy quarks,…

High Energy Physics - Phenomenology · Physics 2013-05-29 Jan Uphoff , Oliver Fochler , Zhe Xu , Carsten Greiner

We present a study on the longitudinal flow decorrelation in heavy-ion collisions at the RHIC Beam Energy Scan (BES) energies ($\sqrt{s_{NN}}$ = 11.5 to 200 GeV in Au+Au collisions) using the AMPT model. We measure the second and third…

High Energy Physics - Phenomenology · Physics 2025-05-13 Prabhupada Dixit , Md. Nasim

We compute the mid-rapidity densities of pions, kaons, baryons and antibaryons in $Au$--$Au$ collisions at $\sqrt{s}$ = 130 GeV in the Dual Parton Model supplemented with final state interactions, and we present a comparison with available…

Nuclear Theory · Physics 2007-05-23 A. Capella , C. A. Salgado , D. Sousa

In central Au-Au collisions at top RHIC energy, two particle correlation measurements with identified hadron trigger have shown attenuation of near side proton triggered jet-like yield at intermediate transverse momentum ($p{_T}$), 2$<…

Nuclear Theory · Physics 2016-09-14 Subikash Choudhury , Debojit Sarkar , Subhasis Chattopadhyay

Hadron production and their suppression in Pb+Pb collisions at LHC at a center-of-mass energy of s_NN = 2.76 TeV are studied within a multiphase transport (AMPT) model whose initial conditions are obtained from the recently updated HIJING…

Nuclear Theory · Physics 2015-06-03 Subrata Pal , Marcus Bleicher

The Multi-Phase Transport model (AMPT) is used to study the final state effects on the Symmetric Correlations (SC), Asymmetric Correlations (ASC), Normalized Symmetric Correlations (NSC), and Normalized Asymmetric Correlations (NASC) in…

Nuclear Theory · Physics 2023-02-14 Niseem Magdy

Multiple parton interactions in relativistic heavy ion reactions result in transverse momentum diffusion and medium induced non-Abelian energy loss of the hard probes traversing cold and hot nuclear matter. A systematic study of the…

Nuclear Theory · Physics 2009-11-10 Ivan Vitev

Higher-order cumulants of the distributions of conserved charges, such as net-baryon number, are sensitive to the quantum chromodynamics(QCD) phase transition and the QCD critical point. We calculate the cumulants and correlation functions…

Nuclear Theory · Physics 2022-07-26 Qian Chen , Guo-Liang Ma

The measurement of momentum correlations of identical pions serves as a fundamental tool for probing the space-time properties of the particle emitting source created in high-energy collisions. Recent experimental results have shown that,…

Nuclear Theory · Physics 2025-12-23 Dong-Fang Wang , Mei-Yi Chen , Yu-Gang Ma , Qi-Ye Shou , Song Zhang , Liang Zheng

Centrality, rapidity, and transverse momentum dependence of hadron elliptic flow is studied in Au+Au collisions at BNL RHIC energies within the microscopic quark-gluon string model. The QGSM predictions coincide well with the experimental…

Nuclear Theory · Physics 2009-11-07 E. E. Zabrodin , C. Fuchs , L. V. Bravina , Amand Faessler

The central-arbitrary bin and forward-backward bin multiplicity correlation patterns for Au+Au collisions at $\sqrt{s_{NN}} $= $7.7-62.4$ GeV are investigated within a multi-phase transport (AMPT) model. An interesting observation is that…

Nuclear Theory · Physics 2016-04-20 Mei-Juan Wang , Gang Chen , Yuan-Fang Wu , Guo-Liang Ma

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

When heavy ions with high energy collide, a hot and dense matter is produced. As the matter expands, the matter undergoes cross-over phase transition from partonic matter to hadronic matter. Jets are created by high pT partons in the early…

Nuclear Experiment · Physics 2019-08-13 Yoki Aramaki

Heavy ion collisions at RHIC energies (Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV) exhibit significant new features as compared to earlier experiments at lower energies. The reaction is characterized by a high degree of transparency of the…

Nuclear Experiment · Physics 2015-06-26 Jens Jorgen Gaardhoje

We compute the mid-rapidity densities of pions, kaons, baryons and antibaryons in $Au$-$Au$ collisions at $\sqrt{s} =$ 130 GeV in the Dual Parton Model supplemented with final state interaction (comovers interaction). The ratios…

Nuclear Theory · Physics 2009-01-06 A. Capella , C. A. Salgado , D. Sousa