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Related papers: A `soft + hard' model for heavy-ion collisions

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Energy dependence of specific heat extracted from temperature fluctuation of Au + Au collisions at $\sqrt{s_{NN}}$ = 7.7 GeV to 200 GeV was investigated by using a multiphase transport (AMPT) model. The results were compared with those from…

Nuclear Theory · Physics 2022-08-17 Ru-Xin Cao , Song Zhang , Yu-Gang Ma

Measurements of the inclusive yields of pi0 mesons in p+p and d+Au collisions at center of mass energy sqrt(s_NN)=200 GeV and pseudorapidity <eta>=4.00 (d beam direction) are reported. The yield for p+p collisions is in general agreement…

High Energy Physics - Experiment · Physics 2019-08-14 G. Rakness

We present the incident energy and system size dependence of the pT spectra for charged pions, protons, and anti-protons using Au+Au and Cu+Cu collisions at Sqrt(sNN) = 62.4 and 200 GeV in STAR experiment at RHIC. Through these measurements…

Nuclear Experiment · Physics 2008-11-26 Bedangadas Mohanty

Combining and expanding on work from previous publications, a model for the evolution of ultrarelativistic heavy-ion collisions at the CERN SPS for 158 AGeV beam energy is presented. Based on the assumption of thermalization and a…

High Energy Physics - Phenomenology · Physics 2009-11-10 Thorsten Renk

In high-energy nuclear collisions, light nuclei can be regarded as a cluster of baryons and their yields are sensitive to the baryon density fluctuations. Thus, the production of light nuclei can be used to study the QCD phase transition,…

Nuclear Experiment · Physics 2021-02-03 Dingwei Zhang

The higher order moments of the net-baryon distributions in relativistic heavy ion collisions are useful probes for the QCD critical point and fluctuations. Within a simple model we study the colliding energy and centrality dependence of…

Nuclear Theory · Physics 2013-05-30 X. Wang , C. B. Yang

We examine the characteristic quantities of pion-emitting sources extracted by model-independent imaging analysis in relativistic heavy ion collisions. The moments of the spatial separation of pion pair emission can provide the…

High Energy Physics - Phenomenology · Physics 2009-11-05 Wei-Ning Zhang , Zhi-Tao Yang , Yan-Yu Ren

In this paper we develop a QCD motivated model for both hard and soft interactions at high energies. In this model the long distance behavior of the scattering amplitude is determined by the approximate solution to the non-linear evolution…

High Energy Physics - Phenomenology · Physics 2009-09-29 A. Kormilitzin , E. Levin

The properties of the high energy pions observed in heavy ion collisions, in particular in the system Au on Au at 1 GeV/nucleon are investigated. The reaction dynamics is described within the Quantum Molecular Dynamics (QMD) approach. It is…

Nuclear Theory · Physics 2009-10-30 V. S. Uma Maheswari , C. Fuchs , Amand Faessler , L. Sehn , D. S. Kosov , Z. Wang

The quark combination mechanism of hadron production is applied to nucleus-nucleus collisions at the CERN Super Proton Synchrotron (SPS) and BNL Alternating Gradient Synchrotron (AGS). The rapidity spectra of identified hadrons and their…

High Energy Physics - Phenomenology · Physics 2015-05-28 Le-xue Sun , Rui-qin Wang , Jun Song , Feng-lan Shao

We present the first statistically meaningful results from two-K0s interferometry in heavy-ion collisions. A model that takes the effect of the strong interaction into account has been used to fit the measured correlation function. The…

Nuclear Experiment · Physics 2008-11-26 STAR Collaboration , B. I. Abelev

We investigate the production of direct photons in heavy ion collisions within the modified bottom-up thermalization scenario, which we show to be related to the thermalizing Glasma framework. The dynamics of the parton system up to…

Recently, there is growing evidence that a new state of matter is formed in sqrt(s_NN)= 200 GeV Au+Au collisions at RHIC: a strongly coupled Quark Gluon Plasma of partonic degrees of freedom which develops a collective motion. Dilepton…

Nuclear Experiment · Physics 2008-11-26 Alberica Toia

The STAR experiment has measured the production of charged hadrons and identified charged pions as a function of transverse momentum, (pseudo-)rapidity, and centrality in Au+Au collisions at sqrt(s_NN)=130GeV. The mean transverse momentum…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Transverse-mass spectra of protons, pions and kaons produced in collisions of heavy nuclei are analyzed within the model of 3-fluid dynamics. It was demonstrated that this model consistently reproduces these spectra in wide ranges of…

Nuclear Theory · Physics 2009-11-13 Yu. B. Ivanov , V. N. Russkikh

We present preliminary results from a two-pion intensity interferometry analysis from Au+Au collisions at sqrt{s_{NN}}=200 GeV measured in the STAR detector at RHIC. The dependence of the apparent pion source on multiplicity and transverse…

Nuclear Experiment · Physics 2007-05-23 Mercedes Lopez Noriega

Using a three-dimensional hydrodynamic simulation of the collision and an equation of state containing a first order phase transition to the quark-gluon plasma, we study thermal photon production for $Au+Au$ collisions at $E_{lab}=11.5$…

High Energy Physics - Phenomenology · Physics 2009-10-28 N. Arbex , U. Ornik , M. Plümer , A. Timmermann , R. M. Weiner

Identified-hadron (PID) $p_t$ spectra from 13 TeV $p$-$p$ collisions are compared with a two-component (soft+hard) model (TCM) that accurately distinguishes jet-related hadron production (hard component) from nonjet projectile-nucleon…

High Energy Physics - Phenomenology · Physics 2022-10-13 Thomas A. Trainor

We present azimuthal two particle correlations of high pt strange baryons and mesons with charged hadrons in Au+Au collisions at sqrt(s) =200 A GeV. We observe the suppression of the back to back correlations similar to the previous…

High Energy Physics - Experiment · Physics 2007-05-23 Ying Guo

By analyzing the dynamical properties of particle production in relativistic heavy ion collisions, it is possible to characterize the final stage of the equilibration process occurring in the collision fireball. In this work, we use the…

High Energy Physics - Phenomenology · Physics 2010-09-22 D. D. Chinellato , J. Takahashi , I. Bediaga
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