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Improved constraints on current model parameters in a heavy-ion collision model are established using the latest measurements from three distinct collision systems. Various observables are utilized from Au--Au collisions at…

高能物理 - 唯象学 · 物理学 2024-11-05 Maxim Virta , Jasper Parkkila , Dong Jo Kim

We systematically investigate the pion transverse momentum spectrum, elliptic flow, and Hanbury-Brown-Twiss (HBT) interferometry in the granular source model for the heavy ion collisions of Au-Au at $\sqrt{s_{NN}}=$ 200 GeV and Pb-Pb at…

核理论 · 物理学 2014-08-19 Jing Yang , Yan-Yu Ren , Wei-Ning Zhang

Space-time information about the Au-Au collisions produced at RHIC are key tools to understand the evolution of the system and especially assess the presence of collective behaviors. Using a parameterization of the system's final state…

核实验 · 物理学 2009-11-10 F. Retiere

Using a model for the evolution of the fireball created in Au-Au collisions at full RHIC energy which reproduces the hadronic single particle spectra and two-particle correlations we calculate thermal photon emission from the hot partonic…

高能物理 - 唯象学 · 物理学 2007-05-23 Thorsten Renk

Hanbury-Brown Twiss (HBT) correlation measurements provide valuable information about the phase space distribution of matter in ultrarelativistic heavy-ion collisions. The rapidity dependence of HBT radii arises from a nontrivial interplay…

高能物理 - 唯象学 · 物理学 2015-06-25 Thorsten Renk

Shannon information entropy provides an effective tool to study the evolution process in relativistic heavy-ion collisions. The time evolution process of thermodynamic entropy $S_{\rm thermal}$, multiple entropy $S_{\rm mul}$, and…

高能物理 - 唯象学 · 物理学 2020-07-15 Fei Li , Gang Chen

The space-time evolution of the hot and dense matter formed after the collisions of heavy nuclei at ultra-relativistic energies is investigated using (3+1) dimensional hydrodynamical models. The effects of the spectral shift of the hadronic…

核理论 · 物理学 2014-11-18 B. K. Patra , Jan-e Alam , Pradip Roy , Sourav Sarkar , Bikash Sinha

A model for the evolution of ultrarelativistic heavy-ion collisions at both CERN SPS and RHIC top energies is presented. Based on the assumption of thermalization and a parametrization of the space-time expansion of the produced matter,…

高能物理 - 唯象学 · 物理学 2009-11-10 Thorsten Renk

We review the status of particle interferometry in ultra-relativistic nucleus-nucleus collisions. The theoretical focus is on the model-independent space-time interpretation of HBT radius parameters and its extension to the geometrical and…

高能物理 - 唯象学 · 物理学 2007-05-23 Boris Tomasik , Urs Achim Wiedemann

Relativistic models can be successfully applied to the description of compact star properties in nuclear astrophysics as well as to nuclear matter and finite nuclei properties, these studies taking place at low and moderate temperatures.…

高能物理 - 唯象学 · 物理学 2008-11-26 D. P. Menezes , C. Providencia , M. Chiapparini , M. E. Bracco , A. Delfino , M. Malheiro

We introduce a combined fully three-dimensional macroscopic/microscopic transport approach employing relativistic 3D-hydrodynamics for the early, dense, deconfined stage of the reaction and a microscopic non-equilibrium model for the later…

核理论 · 物理学 2008-11-26 Chiho Nonaka , Steffen A. Bass

We assume that the early evolution of matter produced in relativistic heavy-ion collisions is described by the transverse hydrodynamics. In this approach only transverse degrees of freedom are thermalized, while the longitudinal motion is…

核理论 · 物理学 2010-11-01 R. Ryblewski , W. Florkowski

We study the geometrical features of non-central heavy ion collisions throughout their dynamical evolution from equilibration to thermal freeze-out within a hydrodynamic picture. We discuss resulting observables, in particular the emission…

核理论 · 物理学 2009-10-09 Peter F. Kolb , Ulrich Heinz

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…

高能物理 - 唯象学 · 物理学 2010-09-22 D. D. Chinellato , J. Takahashi , I. Bediaga

Study of resonances with their short life-times provides useful tools to probe the properties of hot and dense matter produced in relativistic heavy ion collisions. The high density and/or high temperature of the medium can modify resonance…

核实验 · 物理学 2019-08-13 Sadhana Dash

Hydrodynamic expansion of the hot fireball created in relativistic Au-Au collisions at 200GeV in 3+1-dimensions is studied. We obtain a simultaneous, satisfactory description of the transverse momentum spectra, elliptic flow and pion…

核理论 · 物理学 2009-05-01 Piotr Bozek , Iwona Wyskiel

We compute the spectra and elliptic flow of thermal photons emitted in ultrarelativistic heavy-ion collisions (URHICs) at RHIC and LHC. The thermal emission rates are taken from complete leading-order rates for the QGP and hadronic…

核理论 · 物理学 2015-03-19 Hendrik van Hees , Min He , Ralf Rapp

The evolution of charged-particle production in collisions of heavy ions at relativistic energies is investigated as function of centrality in a nonequilibrium-statistical framework. Precise agreement with recent d + Au and Au + Au data at…

高能物理 - 唯象学 · 物理学 2007-05-23 Georg Wolschin , Minoru Biyajima , Takuya Mizoguchi , Naomichi Suzuki

Relativistic hydrodynamics has been extensively applied to high energy heavy-ion collisions. We review hydrodynamic calculations for Au+Au collisions at RHIC energies and provide a comprehensive comparison between the model and experimental…

核理论 · 物理学 2007-05-23 Peter F. Kolb , Ulrich Heinz

A nontrivial space-time structure of the hot system created at RHIC is the defining aspect of the physics of relativistic heavy ion collisions. Femtoscopy through pion intensity interferometry provides direct access to the dynamic geometric…

核实验 · 物理学 2019-08-14 Z. Chajecki , T. D. Gutierrez , M. A. Lisa , M. Lopez-Noriega
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