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The production cross sections of charmonia, charmonium-bottomonium and bottomonia pairs in a single boson $e^+e^-$ annihilation have been studied in a wide range of energies, which will be achieved at future $e^+e^-$ colliders such as ILC…

High Energy Physics - Phenomenology · Physics 2023-06-19 I. N. Belov , A. V. Berezhnoy , E. A. Leshchenko

An overview of measurements of Bose-Einstein correlations in W-pair events at LEP is given. The results presented are based on data collected at centre-of-mass energies between 172 and 202GeV. The review concentrates on the search for…

High Energy Physics - Experiment · Physics 2007-05-23 A. Valassi

We report on studies of Bose-Einstein correlations and color reconnection in hadronic W pair production at LEP. Bose-Einstein correlations between identical particles from the decay of different W's are studied by comparing the particle…

High Energy Physics - Experiment · Physics 2016-08-31 Raimund Ströhmer

A summary of results obtained from e^+e^- annihilations at LEP is given. The precision measurements around the Z resonance, the results from charged gauge boson production and searches for new particles are reviewed. Particular emphasis is…

High Energy Physics - Experiment · Physics 2009-09-29 Wolfgang Lohmann

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 critical summary is given of the present status of the study of Bose-Einstein Correlations in W-pair production at LEP II. In particular, the evidence is reviewed for or against the existence of Bose-Einstein correlations between pions…

High Energy Physics - Experiment · Physics 2007-05-23 Sharka Todorova-Nova

The GGLP approach to Bose-Einstein correlations, a hydrodynamic model and a string model are briefly reviewed. The implications of the two models for the Bose-Einstein correlations among the decay products of a pair of W bosons are…

High Energy Physics - Phenomenology · Physics 2009-10-31 Kacper Zalewski

Bose-Einstein symmetrization can lead to correlations between out going identical particles which reflect the space-time extent of the collision process. At LEP and LEPII these correlations have been studied as a function of a single…

High Energy Physics - Phenomenology · Physics 2009-10-31 Mark Smith

Particle correlations are extensively studied to obtain information about the dynamics of hadron production. From 1989 to 2000 the four LEP collaborations recorded more than 16 million hadronic Z0 decays and several thousand W+W- events. In…

High Energy Physics - Experiment · Physics 2017-08-23 Thomas Kress

Various methods of implementing the Bose-Einstein effect into Monte Carlo generators, especially for the process e^+ e^- > W^+ W^-, are briefly reviewed and their predictions for the W mass shifts are compared. The weight methods, which…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Fialkowski , R. Wit

We report the first observation of $e^+e^-$ annihilations into hadronic states of positive $C$-parity, $\rho^0 \rho^0$ and $\phi\rho^0$. The angular distributions support two-virtual-photon annihilation production. We also report the…

High Energy Physics - Experiment · Physics 2017-08-23 K. Yi

Recent results on modelling Bose-Einstein effect in Monte Carlo generators for a source with no spherical symmetry (as seen in the data on $Z^0$ hadronic decays) are reported. Modifications of the weight method necessary for $W^+W^-$ decays…

High Energy Physics - Phenomenology · Physics 2017-08-23 K. Fialkowski , R. Wit

The core/halo model describes the Bose-Einstein correlations in multihadron production taking into account the effects of long-lived resonances. The model contains the combinatorial coefficients alpha_j which were originally calculated from…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Zalewski

A generalization of the core/halo model to the Bose-Einstein correlation function of any number of particles is presented. In particular, a simple prediction is obtained for the intercept parameter of the n-particle inclusive Bose-Einstein…

High Energy Physics - Phenomenology · Physics 2009-10-30 T. Csorgo

We review the basic notion of correlations in point processes, adapted to the language of high energy physicists. The measurement of accessible information on correlations by means of correlation integrals is summarized. Applications to the…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Lipa , H. C. Eggers , B. Buschbeck

We study the Bose-Einstein correlations of two photons and their coherent properties that can provide the information about the space-time structure of the emitting source through the Higgs-boson decays into two photons. We argue that such…

High Energy Physics - Phenomenology · Physics 2015-05-27 G. A. Kozlov

The theory for Bose-Einstein correlations in case of neutral gauge bosons in $pp$ collisions at high energies is presented. Based on quantum field theory at finite temperature the two-particle Bose-Einstein correlations of neutral gauge…

High Energy Physics - Phenomenology · Physics 2009-04-17 G. A. Kozlov

The nearly energy independent hadron emitter dimension $r$, measured in $e^+e^-$ annihilation in the energy range 10 to 91 GeV via the Bose-Einstein correlation of two identical charged pions, is shown to be well accounted for by choosing…

High Energy Physics - Phenomenology · Physics 2009-11-10 Gideon Alexander

Concepts of thermalization and hydrodynamical behavior are applied from time to time to e+e-, hadron+hadron and heavy ion collisions. These applications are scrutinized paying attention to particle multiplicities, spectra, and Bose-Einstein…

High Energy Physics - Phenomenology · Physics 2009-01-08 T. Csorgo

We study correlations originating from the quantum nature of gluons in a hadronic wave function. Bose-Einstein correlation between identical particles lead to the enhancement in the number of pairs of gluons with the same quantum numbers…

High Energy Physics - Phenomenology · Physics 2022-03-22 Alex Kovner , Ming Li , Vladimir V. Skokov