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Related papers: Pion interferometry with pion-source-medium intera…

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Three-pion interferometry is investigated for new information on the space-time structure of the pion source created in ultra-relativistic heavy-ion collisions. The two- and three-pion correlations are numerically computed for incoherent…

Nuclear Theory · Physics 2009-10-31 Hiroki Nakamura , Ryoichi Seki

A general derivation of the multi-pion correlation function for completely chaotic source is given. Its effects on the pion multiplicity distribution, two-pion interferometry are studied. A generalized multi-pion correlation function for a…

High Energy Physics - Phenomenology · Physics 2015-06-25 Chao wei-qin , Gao chong-shou , Zhang qing-hui

Multi-pion correlations and wavepacket size effects on the pion multiplicity distribution, pion momentum distribution and two-pion interferometry are studied. It is shown that multi-pion Bose-Einstein correlations and the wavepacket size…

High Energy Physics - Phenomenology · Physics 2016-09-06 Q. H. Zhang

Imaging of sources from data within the intensity interferometry is discussed. In the two-pion case, the relative pion source function may be determined through the Fourier transformation of the correlation function. In the proton-proton…

Nuclear Theory · Physics 2009-10-30 David A. Brown , Pawel Danielewicz

Any-order pion interferometry formulas for fixed pion multiplicity events and for mixed events are given. Multipion Bose-Einstein correlation effects on the two-pion interferometry and source distribution are studied. It is shown that…

High Energy Physics - Phenomenology · Physics 2007-05-23 Q. H. Zhang

Two-pion correlation functions, measured as a function of azimuthal emission angle with respect to the reaction plane, provide novel information on the anisotropic shape and orientation of the pion-emitting zone formed in heavy ion…

Multi-pion correlations effect on three-pion interferometry is studied. It is shown that multi-pion correlations decrease both the apparent radius of the source and the coherent source parameter derived from three-pion interferometry. The…

High Energy Physics - Phenomenology · Physics 2016-09-06 Q. H. Zhang

Correlations of two like charged pions emitted from a hot and charged spherically expanding nuclear system are investigated. The motion of the pions is described quantum mechanically using the Klein-Gordon equation which includes Coulomb…

Nuclear Theory · Physics 2009-10-31 H. W. Barz

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

The effects of resonances and flow on the correlation function for two identical particles are described assuming chaotic sources and classical propagation of particles. Expanding to second order in relative momenta, the source sizes can be…

High Energy Physics - Phenomenology · Physics 2016-09-01 H. Heiselberg

Any-order pion inclusive distribution for a chaotic source in high energy collisions are given which can be used in both theory and experiment to analyze any-order pion interferometry. Multi-pion correlations effects on two-pion and…

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

We investigate the influence of medium corrections to the pion dispersion relation on the pion dynamics in intermediate energy heavy ion collisions. To do so a pion potential is extracted from the in-medium dispersion relation and used in…

Nuclear Theory · Physics 2008-11-26 C. Fuchs , L. Sehn , E. Lehmann , J. Zipprich , Amand Faessler

The corrections for two pion correlations due to electromagnetic final state interactions at high secondary multiplicities are investigated. It is shown that these result in a noticeable deviation from the standard Gamov factor. This…

High Energy Physics - Phenomenology · Physics 2008-02-03 D. V. Anchishkin , W. A. Zajc , G. M. Zinovjev

Two- and three-pion correlation functions are investigated for a source that is not fully chaotic. Various models are examined to describe the source. The chaoticity and weight factor are evaluated in each model as measures of the strength…

Nuclear Theory · Physics 2009-10-31 Hiroki Nakamura , Ryoichi Seki

Within the framework of a thermal model with its parameters fitted to the results from an isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, we study the pion in-medium effect on the charged-pion ratio in heavy-ion…

Nuclear Theory · Physics 2013-06-05 Jun Xu , Lie-Wen Chen , Che Ming Ko , Bao-An Li , Yu-Gang Ma

We study the combined effects of a finite volume and an external magnetic field on the charged two-pion correlation function. For these purposes, we consider a dilute system of pions where the finite volume effects are introduced computing…

High Energy Physics - Phenomenology · Physics 2022-03-14 Alejandro Ayala , Santiago Bernal-Langarica , Cristian Villavicencio

We study the evolution of the two-pion correlation function parameters with collision energy in the context of relativistic heavy-ion collisions within the NICA energy range. To this end, we perform UrQMD simulations in the cascade mode to…

High Energy Physics - Phenomenology · Physics 2024-06-07 Alejandro Ayala , Santiago Bernal-Langarica , Isabel Dominguez , Ivonne Maldonado , Maria Elena Tejeda-Yeomans

The effects of multi-pion correlations and finite coherent length on two-pion interferometry are studied. It was shown that as the pion multiplicity and coherent length become larger, the apparent radius and the apparent coherent parameters…

High Energy Physics - Phenomenology · Physics 2019-08-17 Q. H. Zhang , X. Q. Li , C. S. Gao , W. Q. Chao

A method to investigate possible loosely bound dibaryon states is suggested. The momentum dependence of a two-pion correlation function is shown to depend on the (non)existence of a bound state.

Nuclear Theory · Physics 2008-11-26 M. Shmatikov

Estimation of the back-to-back pi-pi correlations arising due to evolution of the pionic field in the course of pion production process is given for central heavy nucleus collisions at moderate energies.

High Energy Physics - Phenomenology · Physics 2009-10-31 I. V. Andreev
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