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Related papers: Multiplicities and Correlations at LEP

200 papers

The multiplicity distribution and the two-particle Bose-Einstein correlations at fixed multiplicities observed in $pp$ collisions at $\sqrt{s}=7$ TeV by the ALICE Collaboration are analyzed by the formulae obtained in the quantum optical…

High Energy Physics - Phenomenology · Physics 2013-03-26 N. Suzuki , M. Biyajima

We shortly review recent successes in applying Bose-Einstein interferometry in heavy ion collisions and the proceed to some model calculations for 3-dimensional Bose-Einstein correlation functions in electron-positron collisions at the Z0…

Nuclear Theory · Physics 2007-05-23 Ulrich Heinz , Pierre Scotto

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

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

The multiplicity measurements include the pseudorapidity density, $\rm{d}N_{\rm ch}/\rm{d}{\eta}$, and the probability distribution as a function of the number of charged particles, $\rm{P}(N_{\rm ch})$. ALICE has measured the…

Nuclear Experiment · Physics 2018-11-14 Valentina Zaccolo

Within a relativistic hydrodynamic framework, we use four different equations of state of nuclear matter to compare to experimental spectra from CERN/SPS experiments NA44 and NA49. Freeze-out hypersurfaces and Bose-Einstein correlation…

Nuclear Theory · Physics 2011-09-13 B. R. Schlei , D. Strottman , J. P. Sullivan , H. W. van Hecke

New data on pion-photoproduction off the proton have been included in the partial wave analyses Bonn-Gatchina and SAID and in the dynamical coupled-channel approach J\"ulich-Bonn. All reproduce the recent new data well: the double…

The influence of Bose-Einstein correlations on the determination of the mass of the W boson in e+e- -> WW -> 4jet events at LEP2 energies is studied, using a global event weighting method. We find that it is possible to keep the systematic…

High Energy Physics - Phenomenology · Physics 2009-04-09 V. Kartvelishvili , R. Kvatadze , R. Moller

Multiparticle symmetrization effects are contributions to the spectra of Bose-symmetrized states which are not the product of pairwise correlations. Usually they are neglected in particle interferometric calculations which aim at…

Nuclear Theory · Physics 2014-11-18 Urs Achim Wiedemann

The status of the standard model is briefly reviewed in the light of the most recent set of experimental data, with particular emphasis to the limits on the Higgs boson mass. The search for a light Higgs boson at LEP~2 is also briefly…

High Energy Physics - Phenomenology · Physics 2007-05-23 Giampiero Passarino

Particle number fluctuations are studied in the ideal pion gas approaching Bose-Einstein condensation. Two different cases are considered: Bose condensation of pions at large charge densities $\rho_Q$ and Bose condensation at large total…

High Energy Physics - Phenomenology · Physics 2011-07-19 Viktor Begun , Mark Gorenstein

Bose-Einstein Correlations in one and two dimensions have been studied, with high statistics, in charged current muon-neutrino interaction events collected with the NOMAD detector at CERN. In one dimension the Bose-Einstein effect has been…

High Energy Physics - Experiment · Physics 2008-11-26 NOMAD Collaboration , P. Astier

Quantum statistical (Bose-Einstein) two-particle correlations are measured in pp collisions at $\sqrt{s}=$ 0.9, 2.76, and 7 TeV, as well as in pPb and peripheral PbPb collisions at nucleon-nucleon center-of-mass energies of 5.02 and 2.76…

High Energy Physics - Experiment · Physics 2018-06-20 CMS Collaboration

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

Two-particle momentum correlations of $N$ identical bosons are studied in the quantum canonical ensemble. We define the latter as a properly selected subensemble of events associated with the grand canonical ensemble which is characterized…

High Energy Physics - Phenomenology · Physics 2021-08-06 M. D. Adzhymambetov , S. V. Akkelin , Yu. M. Sinyukov

The L3 data on Bose-Einstein correlations of equally charged pion pairs produced in hadronic Z decays are analyzed in terms of various parametrizations. Preliminary results are presented here.

High Energy Physics - Experiment · Physics 2009-11-11 Tamas Novak

Recent developments in studies of multiparticle correlations in high energy particle collisions are reviewed. Both experimental data and theoretical results in quantum chromodynamics are discussed. Application of the developed methods to…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. M. Dremin

An overview is given of the study of final state interactions in hadronically decaying W pairs produced in e^+e^--collisions as it is performed by the four LEP experiments. Bose-Einstein correlations are investigated by comparing like- with…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Dierckxsens

Particle correlations and particle multiplicity distributions cannot be approached independently: a unified description of correlations and multiplicity distributions is always needed in order to understand the underlying dynamics in high…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alberto Giovannini , Roberto Ugoccioni

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