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The inversion-asymmetry of the emission source in relativistic heavy ion collision under the Bertsch-Pratt convention is discussed and explicitly exhibited by a Monte Carlo model. The Gaussian source function popularly used in the HBT…

核理论 · 物理学 2007-05-23 Liu Lianshou , Shi Shusu , Du Jiaxin

Two particle correlations are studied in the reaction plane of peripheral relativistic heavy ion reactions where the initial state has substantial angular momentum. The earlier predicted rotation effect and Kelvin Helmholtz Instability,…

核理论 · 物理学 2013-05-06 L. P. Csernai , S. Velle

The LHC data on event-by-event harmonic flow coefficients measured in PbPb collisions at center-of-mass energy 2.76 TeV per nucleon pair are analyzed and interpreted within the HYDJET++ model. To compare the model results with the…

We investigate the fluctuations of pion elliptic flow, triangular flow, and Hanbury-Brown-Twiss (HBT) correlation functions for the hydrodynamic sources with fluctuating initial conditions in the heavy ion collisions of the Au-Au at…

核理论 · 物理学 2015-02-11 Ying Hu , Wei-Ning Zhang , Yan-Yu Ren

Two-pion Hanbury-Brown-Twiss (HBT) correlations for central Pb-Pb collisions at the Large-Hadron-Collider (LHC) energy of $\sqrt{s_{NN}}=2.76$ TeV are investigated for the first time with the microscopic transport model UrQMD…

核理论 · 物理学 2012-04-11 Qingfeng Li , Gunnar Graef , Marcus Bleicher

A simple method for the extraction of the times of maximal emission for kaons and pions using the combined fitting of their transverse momentum spectra and the longitudinal interferometry radii dependencies on the pair transverse mass $m_T$…

核理论 · 物理学 2021-10-27 V. M. Shapoval , Yu. M. Sinyukov

We report a particle source imaging analysis based on two-pion correlations in high multiplicity Au + Au collisions at beam energies between 2 and 8A GeV. We apply the imaging technique introduced by Brown and Danielewicz, which allows a…

核实验 · 物理学 2012-08-27 E895 Collaboration

The influence of Bose-Einstein statistics on multi-particle production characterized for various systems and energies by the STAR collaboration provides interesting information about the space-time dynamics of relativistic heavy-ion…

核实验 · 物理学 2008-11-26 Debasish Das

The directed flow of charged hadron and identified particles has been studied in the framework of a multi-phase transport (AMPT) model, for $^{197}$Au+$^{197}$Au collisions at $\sqrt{s_{NN}}=$200, 130, 62.4, 39, 17.2 and 9.2 GeV. The…

核理论 · 物理学 2010-04-06 J. Y. Chen , J. X. Zuo , X. Z. Cai , F. Liu , Y. G. Ma , A. H. Tang

Using the isospin-dependent relativistic Vlasov-Uehling-Uhlenbeck (RVUU) model, we study charged pion ($\pi^\pm$) production in Au+Au collisions at $\sqrt{s_{NN}}=$ 2.4 GeV. By fitting the density dependence of the $\Delta$ resonance…

核理论 · 物理学 2022-05-18 Kyle Godbey , Zhen Zhang , Jeremy W. Holt , Che Ming Ko

Contemporary heavy-ion physics research aims to explore the phase diagram of strongly interacting matter and search for signs of the possible critical endpoint on the QCD phase diagram. Femtoscopy is among the important tools used for this…

核理论 · 物理学 2025-01-10 Mate Csanad , Daniel Kincses

In this article, we investigate the contribution of the high twist Feynman diagrams to the large-$p_T$ pion production cross section in proton-proton collisions and we present the general formulae for the high and leading twist differential…

高能物理 - 唯象学 · 物理学 2009-11-11 A. I. Ahmadov , I. Boztosun , R. Kh. Muradov , A. Soylu , E. A. Dadashov

Non-identical particle femtoscopy measures the size of the system emitting particles ("radius") in heavy-ion collisions as well as the difference between mean emission space-time coordinates of two particle species ("emission asymmetry").…

核理论 · 物理学 2018-11-07 Adam Kisiel

A three-dimensional (3D) correlation function obtained from mid-rapidity, low pT pion pairs in central Au+Au collisions at sqrt(s_NN)=200 GeV is studied. The extracted model-independent source function indicates a long range tail in the…

核实验 · 物理学 2008-11-26 PHENIX Collaboration , S. Afanasiev

Correlation between trigger and associated particles in jets produced on near and away sides of high-p_T triggers in heavy-ion collisions is studied. Hadronization of jets on both sides is treated by thermal-shower and shower-shower…

核理论 · 物理学 2009-12-31 Rudolph C. Hwa , C. B. Yang

In the paper energy dependence of space-time extent of emission region obtained from Bose - Einstein correlations is studied for charged pions in various ion collisions for all experimentally available energies. There is no dramatic change…

核实验 · 物理学 2015-06-11 V. A. Okorokov

Measurement of femtoscopic correlations in heavy-ion collisions can provide information about spatial and temporal parameters of the particle emission region at kinetic freeze-out. In this work we present the measurement of two-pion and…

核实验 · 物理学 2017-12-29 Grigory Nigmatkulov

Measurements of two particle azimuthal correlations in relativistic heavy ion collisions provide information of the possible interplay between hard-scattered partons and the hot-dense medium. Toward an understanding of parton-medium…

核实验 · 物理学 2019-08-14 Takahito Todoroki

In these proceedings, we present the measurements of centrality, transverse momentum and rapidity dependences of proton ($p$) and light nuclei ($d$ ($\overline{d}$), $t$, $^{3}\mathrm{He}$ ($\overline{^{3}\mathrm{He}}$), and…

核实验 · 物理学 2023-03-21 Hui Liu

The space-time structure of the multipion system created in central relativistic heavy-ion collisions is investigated. Using the microscopic transport model UrQMD we determine the freeze-out hypersurface from equation on pion density…

核理论 · 物理学 2013-01-29 D. Anchishkin , V. Vovchenko , L. P. Csernai