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Related papers: Interpreting BEC in e+e- annihilation

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Bose-Einstein correlations of identical charged-pion pairs produced in hadronic Z decays are analyzed in terms of various parametrizations. The tau-model with a one-sided L\'evy proper-time distribution provides a good description, enabling…

High Energy Physics - Experiment · Physics 2009-04-24 T. Novák , T. Csörgõ , W. Kittel , W. J. Metzger , for L3 Collaboration

Bose-Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using a L\'evy stable distribution in conjunction with a model…

High Energy Physics - Experiment · Physics 2011-05-10 W. J. Metzger , T. Novák , T. Csörgő , W. Kittel

Bose-Einstein correlations of identical charged-pion pairs produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using Levy stable distributions. The source function is reconstructed…

High Energy Physics - Experiment · Physics 2007-05-23 Tamas Novak

Most boson emitting sources contain a core of finite dimensions surrounded by a large halo, due to long-lived resonances like $\omega,\eta,\eta',K^{0}$ etc. When the Bose-Einstein correlation (BEC) function of the core can be determined we…

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

Bose-Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using a L\'evy stable distribution in conjunction with a model…

High Energy Physics - Experiment · Physics 2012-08-27 The L3 Collaboration

Based on quantum field theory at finite temperature we carried out new results for two-particle Bose-Einstein correlation (BEC) function ${C_2}(Q)$ in case of light hadrons. The important parameters of BEC function related to the size of…

High Energy Physics - Phenomenology · Physics 2017-08-23 G. A. Kozlov

We propose extension of the numerical method to model effect of Bose-Einstein correlations (BEC) observed in hadronization processes which allows for calculations not only correlation functions $C_2(Q_{inv})$ (one-dimensional) but also…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

Theoretical results in the tau-model are discussed in the context of Bose-Einstein correlations in e+e- annihilations at LEP1 and LEP2 as well as that of relativistic heavy ion collisions at SPS and RHIC.

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

Bose-Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed for both two- and three-jet events. A parametrization suggested by the tau-model is used to investigate the dependence of the…

High Energy Physics - Experiment · Physics 2015-06-23 Wesley J. Metzger

A study of Bose-Einstein correlations in pairs of identically charged pions produced in e+e- annihilations at the Z0 peak has been performed for the first time assuming a non-static emitting source. The results are based on the high…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration

Bose-Einstein correlations (BEC) observed between identical bosons produced in high energy multiparticle collisions are regarded as very important tool in investigations of multiparticle production processes. We present here their…

High Energy Physics - Phenomenology · Physics 2014-11-17 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

A new treatment of Bose-Einstein correlations is incorporated in a space-time parton-shower model for e+ e- annihilation into hadrons. Two alternative afterburners are discussed, and we use a simple calculable model to demonstrate that they…

High Energy Physics - Phenomenology · Physics 2009-09-11 K. Geiger , J. Ellis , U. Heinz , U. A. Wiedemann

Recent experimental studies of Bose-Einstein Correlations in Z fragmentation are reviewed in view of the need to understand their apparent suppression for pions originating from different W's. Particular features discussed are source…

High Energy Physics - Phenomenology · Physics 2014-11-17 Wolfram Kittel

We show that a recently proposed derivation of Bose-Einstein correlations (BEC) by means of thermal Quantum Field Theory, supplemented by operator-field evolution of Langevin type, allows a deeper understanding of a possible coherent…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. A. Kozlov

We propose extension of the algorithm for numerical modelling of Bose-Einstein correlations (BEC), which was presented some time ago in the literature. It is formulated on quantum statistical level for a single event and uses the fact that…

High Energy Physics - Phenomenology · Physics 2009-11-07 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

We discuss the effect of nonextensivity of the emitting source on the Bose-Einstein correlations (BEC). This is done numerically by comparing cascade hadronization model (CAS), which is known to exhibit fractal structure in both space-time…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

Intensity interferometry and in particular that due to Bose Einstein correlations (BEC) constitutes at present the only direct experimental method for the determination of sizes and lifetimes of sources in particle and nuclear physics. The…

High Energy Physics - Phenomenology · Physics 2009-10-31 Richard M. Weiner

We derive new features of Bose-Einstein correlations by means of Quantum Field Theory at finite temperature, supplemented by operator-field evolution approach. The origin of the dependence of the measured two-particle correlation function…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. A. Kozlov

The use of isospin invariance and Generalized Bose statistics shows that the Bose-Einstein correlation (BEC) of identical bosons seen in the $K^+K^+$ and $\pi^+ \pi^+$ systems can be extended to apply to $K^+ K^o$ and $\pi^+ \pi^o$ pairs…

High Energy Physics - Phenomenology · Physics 2009-10-31 Gideon Alexander , Harry J. Lipkin

Bose-Einstein Condensation (BEC) cosmology is analyzed in the framework of a string-inspired axion model. The dispersion relation of the axionic mode includes both gravitational and self-interaction terms, the latter being small in…

High Energy Physics - Phenomenology · Physics 2025-10-28 Takeshi Fukuyama
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