Related papers: Bose-Einstein correlations in WW events at LEP

Analytic calculation of Bose-Einstein correlations at LEP1 and LEP2

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

Meson Production and Bose-Einstein Pion Correlations in High Energy Collisions

The pion Bose-Einstein correlation parameters determined by OPAL show a weak dependence on pion multiplicity. We argue that the observed increase of the interaction radius, and the decrease of the chaoticity parameter could be due to an…

High Energy Physics - Phenomenology · Physics 2009-10-30 F. Cannata , J-P. Dedonder , M. P. Locher

Multipion Bose-Einstein correlations in pp, p-Pb, and Pb-Pb collisions at the LHC

Three- and four-pion Bose-Einstein correlations are presented in pp, p-Pb, and Pb-Pb collisions at the LHC. We compare our measured four-pion correlations to the expectation derived from two- and three-pion measurements. Such a comparison…

Nuclear Experiment · Physics 2016-11-15 ALICE Collaboration

Bose-Einstein Condensation of Pions in High Multiplicity Events

We present microcanonical ensemble calculations of particle number fluctuations in the ideal pion gas approaching Bose-Einstein condensation. In the samples of events with a fixed number of all pions, $N_{\pi}$, one may observe a prominent…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. V. Begun , M. I. Gorenstein

Transverse and Longitudinal Bose Einstein Correlations in hadronic Z0 Decays

Bose-Einstein correlations in pairs of identical charged pions produced in a sample of 4.3 million Z0 hadronic decays are studied as a function of the three components of the momentum difference, transverse ("out" and "side") and…

High Energy Physics - Experiment · Physics 2008-11-07 G. Abbiendi , the OPAL collaboration

Testing the Core-Halo Model on Bose-Einstein Correlation Functions

Having first performed a Monte Carlo simulation to justify the analysis technique to be used, we then analyze the Bose-Einstein correlation functions from CERN experiment NA44 in the context of the core-halo model. Although experimental…

Nuclear Theory · Physics 2008-11-26 S. Nickerson , T. Csorgo , D. Kiang

Bose-Einstein correlations of pion pairs in central Pb+Pb collisions at CERN SPS energies

Measurements of Bose-Einstein correlations of pion pairs in central Pb+Pb collisions were performed with the NA49 detector at the CERN SPS for beam energies of 20A, 30A, 40A, 80A, and 158A GeV. Correlation functions were measured in the…

Nuclear Experiment · Physics 2012-08-27 NA49 Collaboration

Measurement of Bose-Einstein Correlations in pp Collisions at sqrt(s)=0.9 and 7 TeV

Bose-Einstein correlations between identical particles are measured in samples of proton-proton collisions at 0.9 and 7 TeV centre-of-mass energies, recorded by the CMS experiment at the LHC. The signal is observed in the form of an…

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Bose-Einstein correlations in one and two dimensions in deep inelastic scattering

Bose-Einstein correlations in one and two dimensions have been studied in deep inelastic EP scattering events measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb-1. The correlations are independent of the…

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Rapidity dependence of Bose-Einstein correlations at SPS energies

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Bose-Einstein correlations of same-sign charged pions in the forward region in $pp$ collisions at $\sqrt{s}$ = 7 TeV

Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb experiment. The signature for Bose-Einstein correlations is…

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Majewski , S. Malde , B. Malecki , A. Malinin , T. Maltsev , G. Manca , G. Mancinelli , P. Manning , D. Marangotto , J. Maratas , J. F. Marchand , U. Marconi , C. Marin Benito , M. Marinangeli , P. Marino , J. Marks , G. Martellotti , M. Martin , M. Martinelli , D. Martinez Santos , F. Martinez Vidal , D. Martins Tostes , L. M. Massacrier , A. Massafferri , R. Matev , A. Mathad , Z. Mathe , C. Matteuzzi , A. Mauri , E. Maurice , B. Maurin , A. Mazurov , M. McCann , A. McNab , R. McNulty , J. V. Mead , B. Meadows , C. Meaux , F. Meier , N. Meinert , D. Melnychuk , M. Merk , A. Merli , E. Michielin , D. A. Milanes , E. Millard , M. -N. Minard , L. Minzoni , D. S. Mitzel , A. Mogini , J. Molina Rodriguez , T. Mombächer , I. A. Monroy , S. Monteil , M. Morandin , M. J. Morello , O. Morgunova , J. Moron , A. B. Morris , R. Mountain , F. Muheim , M. Mulder , D. Müller , J. Müller , K. Müller , V. Müller , P. Naik , T. Nakada , R. Nandakumar , A. Nandi , I. Nasteva , M. Needham , N. Neri , S. Neubert , N. Neufeld , M. Neuner , T. D. Nguyen , C. Nguyen-Mau , S. Nieswand , R. Niet , N. Nikitin , T. Nikodem , A. Nogay , D. P. O'Hanlon , A. Oblakowska-Mucha , V. Obraztsov , S. Ogilvy , R. Oldeman , C. J. G. Onderwater , A. Ossowska , J. M. Otalora Goicochea , P. Owen , A. Oyanguren , P. R. Pais , A. Palano , M. Palutan , A. Papanestis , M. Pappagallo , L. L. Pappalardo , W. Parker , C. Parkes , G. Passaleva , A. Pastore , M. Patel , C. Patrignani , A. Pearce , A. Pellegrino , G. Penso , M. Pepe Altarelli , S. Perazzini , P. Perret , L. Pescatore , K. Petridis , A. Petrolini , A. Petrov , M. Petruzzo , E. Picatoste Olloqui , B. Pietrzyk , M. Pikies , D. Pinci , F. Pisani , A. Pistone , A. Piucci , V. Placinta , S. Playfer , M. Plo Casasus , F. Polci , M. Poli Lener , A. Poluektov , I. Polyakov , E. Polycarpo , G. J. Pomery , S. Ponce , A. Popov , D. Popov , S. Poslavskii , C. Potterat , E. Price , J. Prisciandaro , C. Prouve , V. Pugatch , A. Puig Navarro , H. Pullen , G. Punzi , W. Qian , R. Quagliani , B. Quintana , B. Rachwal , J. H. Rademacker , M. Rama , M. Ramos Pernas , M. S. Rangel , I. Raniuk , F. Ratnikov , G. Raven , M. Ravonel Salzgeber , M. Reboud , F. Redi , S. Reichert , A. C. dos Reis , C. Remon Alepuz , V. Renaudin , S. Ricciardi , S. Richards , M. Rihl , K. Rinnert , V. Rives Molina , P. Robbe , A. Robert , A. B. Rodrigues , E. Rodrigues , J. A. Rodriguez Lopez , P. Rodriguez Perez , A. Rogozhnikov , S. Roiser , A. Rollings , V. Romanovskiy , A. Romero Vidal , J. W. Ronayne , M. Rotondo , M. S. Rudolph , T. Ruf , P. Ruiz Valls , J. Ruiz Vidal , J. J. Saborido Silva , E. Sadykhov , N. Sagidova , B. Saitta , V. Salustino Guimaraes , C. Sanchez Mayordomo , B. Sanmartin Sedes , R. Santacesaria , C. Santamarina Rios , M. Santimaria , E. Santovetti , G. Sarpis , A. Sarti , C. Satriano , A. Satta , D. M. Saunders , D. Savrina , S. Schael , M. Schellenberg , M. Schiller , H. Schindler , M. Schlupp , M. Schmelling , T. Schmelzer , B. Schmidt , O. Schneider , A. Schopper , H. F. Schreiner , K. Schubert , M. Schubiger , M. -H. Schune , R. Schwemmer , B. Sciascia , A. Sciubba , A. Semennikov , E. S. Sepulveda , A. Sergi , N. Serra , J. Serrano , L. Sestini , P. Seyfert , M. Shapkin , I. Shapoval , Y. Shcheglov , T. Shears , L. Shekhtman , V. Shevchenko , B. G. Siddi , R. Silva Coutinho , L. Silva de Oliveira , G. Simi , S. Simone , M. Sirendi , N. Skidmore , T. Skwarnicki , E. Smith , I. T. Smith , J. Smith , M. Smith , l. Soares Lavra , M. D. Sokoloff , F. J. P. Soler , B. Souza De Paula , B. Spaan , P. Spradlin , S. Sridharan , F. Stagni , M. Stahl , S. Stahl , P. Stefko , S. Stefkova , O. Steinkamp , S. Stemmle , O. Stenyakin , M. Stepanova , H. Stevens , S. Stone , B. Storaci , S. Stracka , M. E. Stramaglia , M. Straticiuc , U. Straumann , J. Sun , L. Sun , W. Sutcliffe , K. Swientek , V. Syropoulos , M. Szczekowski , T. Szumlak , M. Szymanski , S. T'Jampens , A. Tayduganov , T. Tekampe , G. Tellarini , F. Teubert , E. Thomas , J. van Tilburg , M. J. Tilley , V. Tisserand , M. Tobin , S. Tolk , L. Tomassetti , D. Tonelli , F. Toriello , R. Tourinho Jadallah Aoude , E. Tournefier , M. Traill , M. T. Tran , M. Tresch , A. Trisovic , A. Tsaregorodtsev , P. Tsopelas , A. Tully , N. Tuning , A. Ukleja , A. Usachov , A. Ustyuzhanin , U. Uwer , C. Vacca , A. Vagner , V. Vagnoni , A. Valassi , S. Valat , G. Valenti , R. Vazquez Gomez , P. Vazquez Regueiro , S. Vecchi , M. van Veghel , J. J. Velthuis , M. Veltri , G. Veneziano , A. Venkateswaran , T. A. Verlage , M. Vernet , M. Vesterinen , J. V. Viana Barbosa , B. Viaud , D. Vieira , M. Vieites Diaz , H. Viemann , X. Vilasis-Cardona , M. Vitti , V. Volkov , A. Vollhardt , B. Voneki , A. Vorobyev , V. Vorobyev , C. Voß , J. A. de Vries , C. Vázquez Sierra , R. Waldi , C. Wallace , R. Wallace , J. Walsh , J. Wang , D. R. Ward , H. M. Wark , N. K. Watson , D. Websdale , A. Weiden , M. Whitehead , J. Wicht , G. Wilkinson , M. Wilkinson , M. Williams , M. P. Williams , M. Williams , T. Williams , F. F. Wilson , J. Wimberley , M. Winn , J. Wishahi , W. Wislicki , M. Witek , G. Wormser , S. A. Wotton , K. Wraight , K. Wyllie , Y. Xie , Z. Xu , Z. Yang , Z. Yang , Y. Yao , H. Yin , J. Yu , X. Yuan , O. Yushchenko , K. A. Zarebski , M. Zavertyaev , L. Zhang , Y. Zhang , A. Zhelezov , Y. Zheng , X. Zhu , V. Zhukov , J. B. Zonneveld , S. Zucchelli

Analyses of multi-pion Hanbury-Brown-Twiss correlations for the pion-emitting sources with Bose-Einstein condensation

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

An event mixing technique for Bose-Einstein correlations of two pions in photoproduction around 1 GeV

We have developed an event mixing technique to observe Bose-Einstein correlations (BEC) between two identical neutral pions produced in photo-induced reactions in the non-perturbative QCD energy region. It is found that the missing-mass…

Nuclear Experiment · Physics 2016-08-09 Qing-Hua He , H. Fujimura , H. Fukasawa , R. Hashimoto , Y. Honda , T. Ishikawa , T. Iwata , S. Kaida , J. Kasagi , A. Kawano , S. Kuwasaki , K. Maeda , S. Masumoto , M. Miyabe , F. Miyahara , K. Mochizuki , N. Muramatsu , A. Nakamura , K. Nawa , S. Ogushi , Y. Okada , Y. Onodera , K. Ozawa , Y. Sakamoto , M. Sato , H. Shimizu , H. Sugai , K. Suzuki , Y. Tajima , S. Takahashi , Y. Taniguchi , Y. Tsuchikawa , H. Yamazaki , R. Yamazaki , H. Y. Yoshida

Bose-Einstein correlations of neutral gauge bosons in $pp$ collisions

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

Measurement of the W Boson Mass at LEP

The mass of the W boson is measured at LEP by fully reconstructing the W boson decays. The measurement techniques and systematic uncertainties are presented. The current measurement of the mass of the W boson at LEP yields 80.412 +/- 0.042…

High Energy Physics - Experiment · Physics 2007-05-23 Arno Straessner

W Mass and W+W- Final State Interactions

Precise measurements of the mass and width of the W boson are carried out in e+e- collisions at LEP, by kinematic reconstruction of the invariant mass distributions of WW->qqlv and WW->qqqq candidate events. The most recent combination of…

High Energy Physics - Phenomenology · Physics 2016-09-06 Nigel K. Watson

QCD and W Mass Determination at LEP

Measurements of hadronic final state interactions in W-pair events at LEP are presented. In particular, different scenarios of colour reconnection are studied. The data agree with moderate colour reconnection effects. Extreme scenarios are…

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

Physics of W bosons at LEP

The high-energy and high-luminosity data-taking campaigns of the LEP e^+e^- collider provided the four collaborations, ALEPH, DELPHI, L3 and OPAL, with about 50000 W-boson pairs and about a thousand singly-produced W bosons. This unique…

High Energy Physics - Experiment · Physics 2009-11-10 Salvatore Mele

Bose-Einstein condensation of pions in heavy-ion collisions at the CERN Large Hadron Collider (LHC) energies

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

Bose-Einstein Correlations of Charged Kaons in Central Pb+Pb Collisions at $E_{beam} = 158 AGeV$

Bose-Einstein correlations of charged kaons were measured near mid-rapidity in central Pb+Pb collisions at 158 A$\cdot$GeV by the NA49 experiment at the CERN SPS. Source radii were extracted using the Yano-Koonin-Podgoretsky and…

Nuclear Experiment · Physics 2015-06-26 S. V. Afanasiev