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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 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 2009-11-11 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

Bose-Einstein momentum correlation functions of identical bosons reveal the shape and size of the (soft) particle emitting source of the given particle. The widths of these correlation functions are called HBT radii, named after Brown and…

Nuclear Experiment · Physics 2019-08-13 Mate Csanad

The ellipsoidally symmetric Buda-Lund hydrodynamic model describes naturally the transverse momentum and the pseudorapidity dependence of the elliptic flow in Au+Au collisions at $\sqrt{s_{NN}} = 130$ and 200 GeV. The result confirms the…

Nuclear Theory · Physics 2008-11-26 M. Csanad , T. Csorgo , B. Lorstad

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

We derive a new formula for the longitudinal HBT-radius of the two particle Bose-Einstein correlation function from a new family of finite and exact, accelerating solution of relativistic perfect fluid hydrodynamics for a temperature…

Nuclear Theory · Physics 2019-06-27 Tamás Csörgő , Gábor Kasza

We present a calculation of the elliptic flow and azimuthal dependence of the correlation radii in the ellipsoidally symmetric generalization of the Buda-Lund model. The elliptic flow is shown to depend only on the flow anisotropy while in…

Nuclear Theory · Physics 2008-11-26 Mate Csanad , Boris Tomasik , Tamas Csorgo

Preliminary results on pion-pion Bose-Einstein correlations in central Pb+Pb collisions measured by the NA49 experiment are presented. Rapidity as well as transverse momentum dependence of the HBT-radii are shown for collisions at 20, 30,…

Nuclear Experiment · Physics 2019-08-14 Stefan Kniege

Results are presented of a two-pion interferometry (HBT) analysis in Pb+Au collisions at 40, 80, and 158 AGeV. A detailed study of the Bertsch-Pratt HBT radius parameters has been performed as function of the mean pair transverse momentum…

Nuclear Experiment · Physics 2010-04-05 D. Adamova

Using a fluid dynamical scenario for $pp$ scattering at 7 TeV, we compute correlation functions for $\pi^+\pi^+$ pairs. Femtoscopic radii are extracted based on three-dimensional parametrizations of the correlation functions. We study the…

High Energy Physics - Phenomenology · Physics 2011-04-18 K. Werner , K. Mikhailov , Iu. Karpenko , T. Pierog

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

We calculate two-pion correlation functions at finite rapidities based on a hydrodynamical model which does not assume explicit boost invariance along the collision axis. Extracting the HBT radii through $\chi^2$ fits in both Cartesian and…

Nuclear Theory · Physics 2011-08-04 Kenji Morita

Bose-Einstein correlations of identically charged pion pairs were measured by the PHENIX experiment at mid-rapidity in Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 200 GeV. The Bertsch-Pratt radius parameters were determined as a function of…

Nuclear Experiment · Physics 2010-04-06 PHENIX Collaboration , S. S. Adler

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…

Nuclear Theory · Physics 2012-04-11 Qingfeng Li , Gunnar Graef , Marcus Bleicher

The invariant Buda-Lund parameterization of the two-particle Bose-Einstein correlation functions is presented, its derivation is summarized. In its particular multi-variate Gaussian limiting case, the invariant Buda - Lund parameterization…

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

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

Simultaneous Buda-Lund hydro model fits are presented to identified particle spectra and two-particle Bose-Einstein correlations as measured by the STAR collaboration in $\sqrt{s}=200$ GeV p+p collisions at RHIC. Preliminary results are…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Csorgo , M. Csanad , B. Lorstad , A. Ster

The shape of Bose-Einstein (or HBT) correlation functions is determined for the case when particles are emitted from a stable source, obtained after convolutions of large number of elementary random processes. The two-particle correlation…

Nuclear Theory · Physics 2007-05-23 T. Csorgo , S. Hegyi , W. A. Zajc
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