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Bose-Einstein correlations of identically charged pion pairs were measured by the PHENIX experiment at mid-rapidity in Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 200 GeV. The Bertsch-Pratt radius parameters were determined as a function of…

Nuclear Experiment · Physics 2010-04-06 PHENIX Collaboration , S. S. Adler

Bose-Einstein correlations of identical hadrons produced in high- energy pp collisions at the LHC is a good instrument to probe the size of the domain which emits these hadrons in different classes of events. This provides an additional…

High Energy Physics - Phenomenology · Physics 2015-06-12 V. A. Schegelsky , M. G. Ryskin

We analyse in detail the possibility of Bose-Einstein condensation of pions produced in heavy-ion collisions at the beam energy $\sqrt{s_{\rm NN}}$ = 2.76 TeV. Our approach is based on the chemical non-equilibrium thermal model of hadron…

Nuclear Theory · Physics 2015-05-27 Viktor Begun , Wojciech Florkowski

We calculate the three- and four-particle correlations of identical pions in an evolving pion gas (EPG) model with Bose-Einstein condensation. The multi-pion correlation functions in the EPG model are analyzed in different momentum…

Nuclear Theory · Physics 2018-04-24 Ghulam Bary , Peng Ru , Wei-Ning Zhang

The recent measurements of the Michel parameters in tau decays enable, for the first time, a thorough analysis of the leptonic sector. In general, in models beyond the Standard Model, these parameters will be altered through changes in the…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Pich , J. P. Silva

This report summarises the recent studies of the Bose-Einstein Correlations (BEC) carried out by the four LEP experiments using hadronic Z$^0$ decay events and $e^+ e^-$ reactions leading to the WW decay final states. The three identical…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gideon Alexander , Iuliana Cohen

The Bose-Einstein correlations of two identically charged pions are derived when these particles, the most abundantly produced in relativistic heavy ion collisions, are confined in finite volumes. Boundary effects on single pion spectrum…

Nuclear Theory · Physics 2009-10-31 Q. H. Zhang , Sandra S. Padula

Measurements of production of the neutral and charged strange hadrons in ep collisions with the ZEUS detector are presented. The data on differential cross sections, baryon-to-meson ratios, baryon-antibaryon asymmetry and Bose-Einstein…

High Energy Physics - Experiment · Physics 2008-02-12 B. B. Levchenko

Multidimensional two-particle Bose-Einstein correlation functions of charged hadrons are reported for pp collisions at 2.76 and 7 TeV in terms of different components of the pair relative momentum, extending the previous one-dimensional…

Nuclear Experiment · Physics 2019-08-13 Sandra S. Padula

The leptonic decays of the tau lepton provide relevant tests on the structure of the weak currents and the universality of their couplings to the gauge bosons. The hadronic tau decay modes constitute an ideal tool for studying low--energy…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Pich

This paper presents an overview of the latest results from the L3 and DELPHI collaborations concerning the measurement of Bose-Einstein correlations between identical bosons coming from different W's in fully hadronic WW decays. Using the…

High Energy Physics - Experiment · Physics 2007-05-23 N. van Remortel

Bose-Einstein correlation between like-sign charged-particle pairs in e+e- -> W+W- events recorded with the OPAL detector at LEP at centre-of-mass energies between 183 GeV and 209 GeV are studied. Recently proposed methods which allow…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration , G. Abbiendi

Bose-Einstein correlations of charged hadrons are measured over a broad multiplicity range, from a few particles up to about 250 reconstructed charged hadrons in proton-proton collisions at $\sqrt{s} =$ 13 TeV. The results are based on data…

High Energy Physics - Experiment · Physics 2020-03-12 CMS Collaboration

tau -> (3 pions) nu_tau decays are analysed within the framework of the resonance effective theory of QCD. We work out the relevant Lagrangian that describes the axial-vector current hadronization contributing to these processes, in…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Gomez Dumm , A. Pich , J. Portoles

Bose-Einstein correlations in pairs of identical particles were analyzed in e+ e- multihadron annihilations at ~91.2 GeV at LEP. The first studies involved identical charged pions and the emitting source size was determined. Then the study…

High Energy Physics - Experiment · Physics 2008-11-26 C. Ciocca , M. Cuffiani , G. Giacomelli

In a small window of phase space, chiral perturbation theory can be used to make standard model predictions for tau decays into two and three pions. For $\tau \to 2\pi \nu_\tau$, we give the analytical result for the relevant form factor…

High Energy Physics - Phenomenology · Physics 2009-10-28 G. Colangelo , M. Finkemeier , R. Urech

Long-range correlation plays an important role in analyses of pionic Bose-Einstein correlations (BECs). In many cases, such correlations are phenomenologically introduced. In this investigation, we propose an analytic form. By making use of…

High Energy Physics - Phenomenology · Physics 2021-02-23 Takuya Mizoguchi , Minoru Biyajima

Bose-Einstein correlations of charged and neutral kaons have been measured in e+-p deep inelastic scattering with an integrated luminosity of 121 pb-1 using the ZEUS detector at HERA. The two-particle correlation function was studied as a…

High Energy Physics - Experiment · Physics 2012-08-03 ZEUS Collaboration , S. Chekanov

Important information about the dynamics of hadron production can be obtained by the study of particle correlations. More than 16 million hadronic Z0 decays and several thousand W+W- events have been recorded from the four LEP…

High Energy Physics - Experiment · Physics 2007-05-23 T. Kress

The effect of Bose-Einstein correlations on multiplicity distributions of identical pions is discussed. It is found that these correlations affect significantly the observed multiplicity distributions, but Einstein's condensation is…

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