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Related papers: Rapidity Dependence of HBT radii based on a hydrod…

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We calculate the two-pion correlation function for an expanding hadron source with a finite baryon density. The space-time evolution of the source is described by relativistic hydrodynamics and the Hanbury-Brown-Twiss (HBT) radius is…

Nuclear Theory · Physics 2009-11-10 W. N. Zhang , M. J. Efaaf , Cheuk-Yin Wong , M. Khaliliasr

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…

High Energy Physics - Phenomenology · Physics 2015-06-25 Thorsten Renk

We present results on interferometry correlations for pions emitted in central p+Pb collisions at 5.02TeV in a 3+1 dimensional viscous hydrodynamic model with initial conditions from the Glauber Monte Carlo model. The correlation function…

Nuclear Theory · Physics 2018-02-14 Piotr Bozek , Sebastian Bysiak

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

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

$\textbf{HoTCoffeeh}$ ($\textbf{H}$anbury Br$\textbf{o}$wn-$\textbf{T}$wiss $\textbf{Co}$rrelation $\textbf{f}$unctions and radii $\textbf{f}$rom $\textbf{e}$vent-by-$\textbf{e}$vent $\textbf{h}$ydrodynamics) is a new computational tool…

Nuclear Theory · Physics 2018-09-26 Christopher Plumberg , Ulrich Heinz

Two-kaon and two-pion correlation functions for an expanding thermalized source are compared. In the Yano-Koonin-Podgoretskii parametrization of the correlation function, the HBT radius parameters are shown to obey M_\bot- scaling in the…

Nuclear Theory · Physics 2022-02-23 U. Heinz , B. Tomasik , U. A. Wiedemann , Y. -F. Wu

We present hydrodynamic predictions for the charged pion HBT radii for a range of initial conditions covering those presumably reached in Pb+Pb collisions at the LHC. We study central (b=0) and semi-central (b=7fm) collisions and show the…

Nuclear Theory · Physics 2008-11-26 Evan Frodermann , Rupa Chatterjee , Ulrich Heinz

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

The transverse momentum dependence of Hanbury-Brown/Twiss (HBT) interferometry radii for 2-body correlation functions provides experimental access to the collective dynamics in heavy-ion collisions. We present an analytical approximation…

Nuclear Theory · Physics 2008-11-26 Urs Achim Wiedemann , Pierre Scotto , Ulrich Heinz

The inability of otherwise successful dynamical models to reproduce the ``HBT radii'' extracted from two-particle correlations measured at the Relativistic Heavy Ion Collider (RHIC) is known as the ``RHIC HBT Puzzle.'' Most comparisons…

Nuclear Theory · Physics 2008-11-26 Evan Frodermann , Ulrich Heinz , Michael Annan Lisa

The Yano-Koonin-Podgoretskii (YKP) parametrisation of Hanbury Brown-Twiss (HBT) two-particle correlation functions opens new strategies for extracting the emission duration and testing the longitudinal expansion in heavy-ion collisions.…

Nuclear Theory · Physics 2009-10-09 Y. -F. Wu , U. Heinz , B. Tomasik , U. A. Wiedemann

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

Using two specific models and a model independent formalism, we show that an ``out-longitudinal'' cross term should be included in any gaussian fits to correlation data. In addition, we show that correlation radii (including the cross term)…

High Energy Physics - Phenomenology · Physics 2010-05-27 Scott Chapman , Pierre Scotto , Ulrich Heinz

We investigate HBT radii based on the numerical solutions of the hydrodynamical model which are so tuned as to reproduce the recent experimental data at the CERN SPS. Comparing the sizes of freeze-out hypersurface with HBT radii, we discuss…

Nuclear Theory · Physics 2011-04-15 Kenji Morita , Shin Muroya , Hiroki Nakamura

Two-pion Hanbury-Brown-Twiss (HBT) correlations for p+p and central Pb+Pb collisions at the Large-Hadron-Collider (LHC) energies are investigated with the ultra-relativistic quantum molecular dynamics model combined with a correlation…

High Energy Physics - Phenomenology · Physics 2015-06-11 Qingfeng Li , Gunnar Graef , Marcus Bleicher

I review recent progress in the understanding of the connection between the space-time structure of the particle emitting source and the form of the two-particle correlation function in momentum space. Based on a new scheme for calculating…

Nuclear Theory · Physics 2009-10-09 Ulrich Heinz

Two-pion correlation functions are analyzed at mid-rapidity for three systems (14.6 A-GeV Si+Al, Si+Au, and 11.6 A-GeV Au+Au), seven distinct centrality conditions, and different kT bins in the range 0.1--0.5 GeV/c. Source reference frames…

Nuclear Experiment · Physics 2011-08-19 L. Ahle , The E802 Collaboration

We examine the effects that a confining boundary together with hydrodynamical expansion play on two-pion distributions in relativistic heavy-ion collisions. We show that the effects arise from the introduction of further correlations due…

Nuclear Theory · Physics 2009-11-07 Alejandro Ayala , Angel Sanchez

Two-particle correlations have been measured for identified negative pions from central 158 AGeV Pb+Pb collisions and fitted radii of about 7 fm in all dimensions have been obtained. A multi-dimensional study of the radii as a function of…

High Energy Physics - Experiment · Physics 2009-01-07 WA98 Collaboration , M. M. Aggarwal
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