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Related papers: Pion correlations in hydro-inspired models with re…

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Based on the microscopic transport model UrQMD in which hadronic and string degrees of freedom are employed, the HBT parameters in the longitudinal co-moving system are investigated for charged pion and kaon, and $\Lambda$ sources in heavy…

Nuclear Theory · Physics 2008-11-26 Qingfeng Li , Marcus Bleicher , Horst Stoecker

We discuss the $\sqrt{s}$-dependence of the $K^+/\pi^+$ ratio in heavy-ion collisions (the "horn" effect) within a Mott-Anderson localization model for chemical freeze-out. The different response of pion and kaon radii to the hot and dense…

High Energy Physics - Phenomenology · Physics 2015-09-04 M. Naskret , D. Blaschke , A. Dubinin

The three-dimensional femtoscopic correlations of pions and kaons are presented for Pb$-$Pb collisions at \rootsNN = 5.02 TeV within the framework of (3+1)D viscous hydrodynamics combined with THERMINATOR 2 code for statistical…

High Energy Physics - Phenomenology · Physics 2026-01-30 Pritam Chakraborty , Ashutosh Kumar Pandey , Sadhana Dash

We report on the high statistics two-pion correlation functions from pp collisions at $\sqrt{s}=0.9$ TeV and $\sqrt{s}$=7 TeV, measured by the ALICE experiment at the Large Hadron Collider. The correlation functions as well as the extracted…

High Energy Physics - Experiment · Physics 2017-09-29 ALICE Collaboration

We determine the decoupling surfaces for the hydrodynamic description of heavy ion collisions at RHIC and LHC by comparing the local hydrodynamic expansion rate with the microscopic pion-pion scattering rate. The pion $p_T$ spectra for…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. J. Eskola , H. Niemi , P. V. Ruuskanen

Hadronic resonances serve as unique probes in the study of the hot and dense nuclear matter produced in heavy-ion collisions. Properties of the hadronic phase of the collision can be extracted from measurements of the suppression of…

Nuclear Experiment · Physics 2019-08-13 A. G. Knospe

Hadronic resonances are sensitive to the properties of a hot and dense medium created in a heavy ion collisions. During the hadronic phase, after hadronization of quark and gluons into hadrons, resonances are useful to determine the…

Nuclear Experiment · Physics 2019-08-13 Christina Markert

First identical-pion correlations measured at RHIC energies by PHENIX are presented. Two analyses with separate detectors, systematics, and statistics provide consistent results. The resulting HBT radii are moderately larger than those…

Nuclear Experiment · Physics 2019-08-14 S. C. Johnson

The event-by-event fluctuations of suitably chosen observables in heavy ion collisions at SPS, RHIC and LHC can tell us about the thermodynamic properties of the hadronic system at freeze-out. By studying these fluctuations as a function of…

High Energy Physics - Phenomenology · Physics 2016-08-25 M. Stephanov , K. Rajagopal , E. Shuryak

Measurements of the production of short-lived hadronic resonances are used to probe the properties of the late hadronic phase in ultra-relativistic heavy-ion collisions. Since these resonances have lifetimes comparable to that of the…

High Energy Physics - Experiment · Physics 2020-10-08 Sushanta Tripathy

The measurement of pion source radii in Pb-Pb collisions with the ALICE experiment at LHC is presented. By the analysis of Bose-Einstein enhancement in the correlation function of identical pions information on the size and evolution of the…

Nuclear Experiment · Physics 2019-08-13 Johanna Lena Gramling

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

The production of hadrons in heavy-ion collisions at RHIC in the low transverse-momentum ($p_T$) region is investigated in the recombination model with emphasis on the effects of minijets on the azimuthal anisotropy. Since the study is…

Nuclear Theory · Physics 2015-06-05 Rudolph C. Hwa , Lilin Zhu

We compute the pion inclusive transverse momentum distribution assuming thermal equilibrium together with transverse flow and accounting for finite size effects and energy loss at the time of decoupling. We compare to data on mid-rapidity…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alejandro Ayala , Eleazar Cuautle , J. Magnin , Luis Manuel Montano , Alfredo Raya

Multi-pion correlation effect on the source distribution is studied. It is shown that multi-pion Bose-Einstein correlation make the average radius of the pion source become smaller. The isospin effect on the pion multiplicity distribution…

High Energy Physics - Phenomenology · Physics 2008-11-26 Q. H. Zhang

In non-central collisions between ultra-relativistic heavy ions, the freeze-out distribution is anisotropic, and its major longitudinal axis may be tilted away from the beam direction. The shape and orientation of this distribution are…

Nuclear Theory · Physics 2011-08-22 Elliot Mount , Gunnar Graef , Michael Mitrovski , Marcus Bleicher , Mike Lisa

We propose intensity interferometry with identical lepton pairs as an efficient tool for the estimation of the source size of the expanding hot zone produced in relativistic heavy ion collisions. This can act as a complementary method to…

Nuclear Theory · Physics 2009-11-10 Jan-e Alam , Bedangadas Mohanty , A. Rahaman , Sourav Sarkar , Bikash Sinha

Within the framework of the improved isospin dependent quantum molecular dynamics (ImIQMD) model, the pion emission in heavy-ion collisions in the region 1 A GeV is investigated systematically, in which the pion is considered to be mainly…

Nuclear Theory · Physics 2009-06-19 Zhao-Qing Feng , Gen-Ming Jin

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

The pt-spectra of hadrons measured at RHIC are very well described in a model which assumes that the chemical and thermal freeze-outs occur simultaneously. The model calculation includes all hadronic resonances and uses a simple…

Nuclear Theory · Physics 2007-05-23 Wojciech Florkowski , Wojciech Broniowski
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