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The ellipsoidally symmetric extension of Buda-Lund hydrodynamic model is shown here to yield a natural description of the pseudorapidity dependence of the elliptic flow $v_2(\eta)$, as determined recently by the PHOBOS experiment for Au+Au…

Nuclear Theory · Physics 2009-11-10 M. Csanad , T. Csorgo , B. Lorstad

The pseudo-rapidity dependence of the elliptic flow at various excitation energies measured by the PHOBOS Collaboration in Au+Au collisions at RHIC is one of the surprising results that has not been explained before in terms of…

Nuclear Theory · Physics 2009-11-11 M. Csanad , T. Csorgo , B. Lorstad , A. Ster

Buda-Lund hydro model fits are compared to BRAHMS, PHENIX, PHOBOS and STAR data on identified particle spectra, two-particle Bose-Einstein or HBT correlations, charged particle pseudorapidity distributions and pseudorapidity as well as p_t…

Nuclear Theory · Physics 2009-02-10 M. Csanad , T. Csorgo , B. Lorstad , A. Ster

We present calculations of elliptic flow and azimuthal dependence of correlation radii in the ellipsoidally symmetric generalization of the Buda-Lund hydrodynamic model of hadron production in high-energy nuclear collisions. We compare them…

Nuclear Theory · Physics 2011-06-08 A. Ster , M. Csanad , T. Csorgo , B. Lorstad , B. Tomasik

Recent PHOBOS measurements of the excitation function for the pseudo-rapidity dependence of elliptic flow in Au+Au collisions at RHIC, have posed a significant theoretical challenge. We show here that these data are described by the…

Nuclear Theory · Physics 2008-12-18 M. Csanad , T. Csorgo , R. A. Lacey , B. Lorstad

Recent PHOBOS measurements of the excitation function for the pseudo-rapidity dependence of elliptic flow in Au+Au collisions at RHIC, have posed a significant theoretical challenge. Here we show that these differential measurements, as…

We give the emission function of the axially symmetric Buda-Lund hydro model and present its simultaneous, high quality fits to identified particle spectra, two-particle Bose-Einstein or HBT correlations and charged particle pseudorapidity…

Nuclear Theory · Physics 2009-02-10 M. Csanad , T. Csorgo , B. Lorstad , A. Ster

The Buda-Lund model describes an expanding hydrodynamical system with ellipsoidal symmetry and fits the observed elliptic flow and oscillating HBT radii successfully. The ellipsoidal symmetry can be characterized by the second order…

High Energy Physics - Phenomenology · Physics 2016-03-24 Sándor Lökös , Máté Csanád , Boris Tomášik , Tamás Csörgő

The pseudo-rapidity dependence of the elliptic flow at various excitation energies measured by the PHOBOS Collaboration in Au+Au collisions at RHIC is one of the surprising results that has not been explained before in terms of…

Nuclear Theory · Physics 2009-02-10 M. Csanad , T. Csorgo , B. Lorstad , A. Ster

Identified particle spectra of pions, kaons and (anti)protons, and elliptic flow and azimuthal dependence of Bose-Einstein or HBT correlations of identified pions in sqrt(s_NN) = 200 GeV Au+Au collisions is analyzed simultaneously using an…

Nuclear Theory · Physics 2011-04-08 A. Ster , M. Csanad , T. Csorgo , B. Lorstad , B. Tomasik

The final state of Au + Au collisions at sqrt{s}=130 AGeV at RHIC has been reconstructed within the framework of the Buda-Lund hydrodynamical model, by performing a simultaneous fit to final data on two-particle Bose-Einstein correlations…

Nuclear Theory · Physics 2009-02-10 T. Csorgo , A. Ster

We present simultaneous, quality fits to final BRAHMS, PHENIX, PHOBOS and STAR data on particle spectra and two-particle Bose-Einstein or HBT correlations as measured in Au+Au collisions at $\sqrt{s_{NN}} = 130$ GeV. Using the Buda-Lund…

Nuclear Theory · Physics 2009-02-10 M. Csanad , T. Csorgo , B. Lorstad , A. Ster

Using a hydrodynamic model, we predict the transverse momentum dependence of the spectra and the elliptic flow for different hadrons in Au+Au collisions at sqrt(s) = 130 A GeV. The dependence of the differential and p_t-integrated elliptic…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Huovinen , P. F. Kolb , U. Heinz , P. V. Ruuskanen , S. Voloshin

We report first results on elliptic flow of identified particles at mid-rapidity in Au+Au collisions at $\sqrt{s_{_{NN}}}=130$ GeV using the STAR TPC at RHIC. The elliptic flow as a function of transverse momentum and centrality differs…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Anisotropic transverse flow is studied in Pb+Pb and Au+Au collisions at SPS and RHIC energies. The centrality and transverse momentum dependence at midrapidity of the elliptic flow coefficient v_2 is calculated in the hydrodynamic and low…

High Energy Physics - Phenomenology · Physics 2009-10-09 P. F. Kolb , P. Huovinen , U. Heinz , H. Heiselberg

We present the results of an elliptic flow analysis of Cu+Cu collisions recorded with the STAR detector at 62.4 and 200GeV. Elliptic flow as a function of transverse momentum is reported for different collision centralities for charged…

Nuclear Experiment · Physics 2010-04-14 The STAR Collaboration , B. I. Abelev

We present a systematic study of elliptic flow as a function of centrality, pseudorapidity, transverse momentum and energy for Cu+Cu and Au+Au collisions from the PHOBOS experiment. New data on elliptic flow in Cu+Cu collisions at 22.4 GeV…

Nuclear Experiment · Physics 2019-08-14 Rachid Nouicer

Modelling correlations in heavy ion collisions is reviewed from model independent characterization of the two-particle correlations to Buda-Lund hydro model fits to correlations and spectra in Au + Au collisions at sqrt{s}=130 AGeV at RHIC.

High Energy Physics - Phenomenology · Physics 2017-08-23 T. Csorgo , A. Ster

The study of flow can provide information on the initial state dynamics and the degree of equilibration attained in heavy ion collisions. This contribution presents results for both elliptic and directed flow as determined from data…

Nuclear Experiment · Physics 2019-08-14 Marguerite Belt Tonjes

In this paper we summarize the ellipsoidally symmetric Buda-Lund model's results on HBT radii. We calculate the Bose-Einstein correlation function from the model and derive formulas for the transverse momentum dependence of the correlation…

Nuclear Theory · Physics 2009-01-16 M. Csanad , T. Csorgo
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