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Related papers: Collective dynamics of the fireball

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Two generalisations of the blast-wave model to non-central nuclear collisions are constructed, and elliptic flow as well as azimuthal dependence of correlation radii are calculated. Particular attention is paid to how different azimuthal…

Nuclear Theory · Physics 2007-05-23 Boris Tomasik

Single-particle spectra and two-particle Bose-Einstein correlation functions are determined analytically utilizing a self-similar solution of non-relativistic hydrodynamics for ellipsoidally-symmetric, expanding fireballs, by assuming that…

High Energy Physics - Phenomenology · Physics 2009-11-07 T. Csörgő , S. V. Akkelin , Y. Hama , B. Lukács , Yu. M. Sinyukov

Extensions of the blast-wave model for the description of non-central collisions are reviewed and the physics behind them is explained and illustrated. It is shown how the second-order anisotropy in expansion velocity together with the…

Nuclear Theory · Physics 2025-02-20 Boris Tomasik

There are two length-scales present simultaneously in all the principal directions for three-dimensionally expanding, finite systems. These are discussed in detail for the case of a longitudinally expanding system with a transverse flow and…

High Energy Physics - Phenomenology · Physics 2009-10-28 T. Csorgo , B. Lorstad

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

Utilizing a recently found class of exact, analytic rotating solutions of non-relativistic fireball hydrodynamics, we calculate analytically the single-particle spectra, the elliptic flows and two-particle Bose-Einstein correlation…

Nuclear Theory · Physics 2016-03-02 T. Csorgo , M. I. Nagy , I. F. Barna

The expansion of the fireball created in relativistic heavy ion collisions is described using the 3+1D hydrodynamical model. Experimentally observed transverse momentum spectra at different rapdities, elliptic flow and HBT correlations of…

Nuclear Theory · Physics 2014-11-20 Piotr Bozek , Iwona Wyskiel

Bose-Einstein correlations in relativistic heavy ion collisions are examined in a general model containing the essential features of hydrodynamical, cascade as well as other models commonly employed for describing the particle freeze-out.…

Nuclear Theory · Physics 2009-10-30 H. Heiselberg , A. P. Vischer

The blast wave model is generalized to include the production of thermal clusters, as suggested by the apparent success of the statistical model of particle production at high energies. The formulae for the HBT correlation functions and the…

High Energy Physics - Phenomenology · Physics 2014-09-16 Andrzej Bialas , Wojciech Florkowski , Kacper Zalewski

A comprehensive model study of Bose-Einstein correlation radii in heavy ion collisions is presented. The starting point is a longitudinally and transversally expanding fireball, represented at freeze-out by an azimuthally symmetric emission…

Nuclear Theory · Physics 2009-10-09 Boris Tomasik , Ulrich Heinz

Two-particle, pair-number correlation distributions on two-dimensional transverse momentum ($p_{t1},p_{t2}$) constructed from the particle production in relativistic heavy-ion collisions allow access to dynamical processes in these systems…

Nuclear Experiment · Physics 2019-02-27 R. L. Ray , A. Jentsch

Bose-Einstein correlations and invariant momentum distributions are analyzed for longitudinally expanding finite systems, like jets in elementary particle collisions or systems created in high energy heavy ion reactions. Cross-term…

High Energy Physics - Phenomenology · Physics 2008-02-03 T. Csorgo , B. Lorstad

Quantum and collisional effects on the unstable spectrum of a relativistic electron beam-plasma system are investigated through a two-fluids model. Application is made to the near target center interaction of the relativistic electron beam…

Plasma Physics · Physics 2015-05-13 A. Bret , F. J. Marín Fernández , J. M. Anfray

Preliminary results of identical-particle correlations probing the geometric substructure of the particle-emitting source at RHIC are presented. An $m_T$-independent scaling of pion HBT radii from large (central Au+Au) to small (p+p)…

Nuclear Experiment · Physics 2009-09-29 Z. Chajecki

We investigate the space-time evolution of ultrarelativistic Au-Au collisions at full RHIC energy using a schematic model of the expansion. Assuming a thermally equilibrated system, we can adjust the essential scale parameters of this model…

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

We calculate the one-particle hadronic spectra and correlation functions of pions based on a hydrodynamical model. Parameters in the model are so chosen that the one-particle spectra reproduce experimental results of $\sqrt{s}=130A$GeV…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tetsufumi Hirano , Kenji Morita , Shin Muroya , Chiho Nonaka

This study is devoted to a detailed numerical testing of the analytical results obtained recently for the $M_t$-scaling of the parameters of the Bose-Einstein correlation functions. Numerical testing of analytical results for the spectrum…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Csorgo , P. Levai , B. Lorstad

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…

High Energy Physics - Phenomenology · Physics 2007-05-23 Boris Tomasik , Urs Achim Wiedemann

I describe electromagnetic model of gamma ray bursts and contrast its main properties and predictions with hydrodynamic fireball model and its magnetohydrodynamical extension. The electromagnetic model assumes that rotational energy of a…

Astrophysics · Physics 2009-11-13 Maxim Lyutikov

We show that a consistent hydrodynamic description of soft-hadronic one- and two-particle observables (the HBT radii) studied in the relativistic heavy-ion collisions at RHIC may be obtained if one uses the Gaussian energy density profile…

Nuclear Theory · Physics 2009-04-24 W. Florkowski , W. Broniowski , M. Chojnacki , A. Kisiel
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