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Related papers: Directed flow in heavy-ion collisions and its impl…

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Relativistic quantum molecular dynamics with scalar and vector interactions based on the relativistic mean meson field theory, RQMD.RMF, is developed.It is implemented into the microscopic transport code JAM.The sensitivity of the directed…

Nuclear Theory · Physics 2019-11-13 Yasushi Nara , Horst Stoecker

We present the STAR measurements of directed flow, v1, for {\pi}{\pm}, K{\pm}, protons and antiprotons, as well as for all detected charged particles in Au + Au collisions at {\surd}sNN = 7.7, 11.5 and 39 GeV as a function of transverse…

Nuclear Experiment · Physics 2019-08-13 Yadav Pandit

Directed flow of neutral strange particles in heavy ion collisions at AGS is studied in the ART transport model. Using a lambda mean-field potential which is 2/3 of that for a nucleon as predicted by the constituent quark model, lambdas are…

Nuclear Theory · Physics 2008-11-26 Bin Zhang , C. M. Ko , Bao-An Li , Andrew T. Sustich

We investigate differential in-plane and out-of-plane flow observables in heavy ion reactions at intermediate energies from $0.2\div 2$ AGeV within the framework of relativistic BUU transport calculations. The mean field is based on…

Nuclear Theory · Physics 2007-05-23 T. Gaitanos , C. Fuchs , H. H. Wolter , Amand Faessler

A simple model based on relativistic geometry and final-state hadronic rescattering is used to predict pion source parameters extracted in two-pion femtoscopy studies of proton-proton collisions at s**(1/2) = 200 GeV. From studying the…

Nuclear Theory · Physics 2010-04-21 T. J. Humanic

We study the origin of the directed flow of charged particles produced in relativistic heavy-ion collisions. Three different initial conditions, Boz$\dot{\textrm{e}}$k-Wyskiel, CCNU and Shen-Alzhrani, of energy density distributions are…

High Energy Physics - Phenomenology · Physics 2022-03-04 Ze-Fang Jiang , Shanshan Cao , Xiang-Yu Wu , C. B. Yang , Ben-Wei Zhang

A new scheme for testing nuclear matter equations of state (EsoS) at high densities using constraints from neutron star phenomenology and a flow data analysis of heavy-ion collisions is suggested. An acceptable EoS shall not allow the…

In-medium nucleon-nucleon scattering cross sections are explored by comparing results of quantum molecular dynamics simulations to data on stopping and on elliptic and directed flow in intermediate-energy heavy-ion collisions. The…

Nuclear Theory · Physics 2008-11-26 Yingxun Zhang , Zhuxia Li , Pawel Danielewicz

Anisotropic flow of hadrons is studied in heavy ion collisions at SPS and RHIC energies within the microscopic quark-gluon string model. The model was found to reproduce correctly many of the flow features, e.g., the wiggle structure of…

High Energy Physics - Phenomenology · Physics 2015-06-25 E. Zabrodin , L. Bravina , C. Fuchs , A. Faessler

Thermalized matter created in non-central relativistic heavy-ion collisions is expected to be tilted in the reaction plane with respect to the beam axis. The most notable consequence of this forward-backward symmetry breaking is the…

Nuclear Theory · Physics 2018-05-11 Sandeep Chatterjee , Piotr Bożek

Elliptic ($v_2$) and triangular ($v_3$) anisotropic flow coefficients for inclusive and identified charged hadrons (~$\pi^\pm$, $K^\pm$, $p$, $\bar{p}$~) at midrapidity in Au+Au collisions, measured by the STAR experiment in the Beam Energy…

High Energy Physics - Experiment · Physics 2020-12-15 P. Parfenov

We report directed flow ($v_1$) of multistrange baryons ($\Xi$ and $\Omega$) and improved $v_1$ data for $K^{-}$, $\bar{p}$, $\bar{\Lambda}$ and $\phi$ in Au+Au collisions at $\sqrt{s_{\mathrm{NN}}}=$27 and 200 GeV from the STAR experiment…

Nuclear Experiment · Physics 2025-07-29 STAR Collaboration

Within a relativistic transport (ART) model for heavy-ion collisions, we show that the recently observed characteristic change from out-of-plane to in-plane elliptic flow of protons in mid-central Au+Au collisions as the incident energy…

Nuclear Theory · Physics 2009-10-31 Bao-An Li , C. M. Ko , Andrew T. Sustich , Bin Zhang

In this proceeding, we review our recent work using deep convolutional neural network (CNN) to identify the nature of the QCD transition in a hybrid modeling of heavy-ion collisions. Within this hybrid model, a viscous hydrodynamic model is…

We compare relativistic transport model calculations to recent data on the sideward flow of neutral strange K^0_s mesons for Au+Au collisions at 6 AGeV. A soft nuclear equation of state is found to describe very well the positive proton…

Nuclear Theory · Physics 2008-11-26 Subrata Pal , C. M. Ko , Ziwei Lin , Bin Zhang

Direct photon emission in heavy-ion collisions is calculated within a relativistic micro+macro hybrid model and compared to the microscopic transport model UrQMD. In the hybrid approach, the high-density part of the collision is calculated…

Nuclear Theory · Physics 2011-11-10 Bjoern Baeuchle , Marcus Bleicher

We present an attempt to closely mimic the initial stage of heavy ion collisions within holography, assuming a decoupling of longitudinal and transverse dynamics in the very early stage. We subsequently evolve the obtained initial state…

Nuclear Theory · Physics 2015-12-16 Wilke van der Schee , Bjoern Schenke

Relativistic quantum molecular dynamics based on the relativistic mean field theory (RQMD.RMF) is extended by including momentum-dependent potential. The equation of state (EoS) dependence of the directed and the elliptic flow of protons in…

Nuclear Theory · Physics 2020-09-01 Yasushi Nara , Tomoyuki Maruyama , Horst Stoecker

Available data on heavy-ion collisions at AGS and SPS energies are analyzed using a 3-fluid dynamical model within a purely hadronic scenario. We investigate the problems met in reproducing these data within this scheme. In particular, we…

Nuclear Theory · Physics 2008-11-26 Yu. B. Ivanov , V. N. Russkikh

The Cooling-Storage-Ring External-target Experiment (CEE) at Heavy Ion Research Facility in Lanzhou (HIRFL) is designed to study the properties of nuclear matter created in heavy-ion collisions at a few hundred MeV/$u$ to 1 GeV/$u$ beam…

Instrumentation and Detectors · Physics 2025-04-01 Wanlong Wu , Xionghong He , Yanyu Ren , Diyu Shen , Shusu Shi , Xu Sun
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