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Study of the W+W−γ process and limits on anomalous quartic gauge boson couplings at LEP

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Journal , Other literature type 01 Feb 2002Embargo end date: 01 Jan 2001 France, France, Netherlands, Germany, France, Italy, France, Switzerland, France, Germany Publisher:Elsevier BVJournal:Physics Letters B, volume 527, pages 29-38 (issn: 0370-2693,

Authors: Achard, P.; Adriani, O.; Anselmo, F.; Dova, M. T.; Duchesneau, D.; Duinker, P.; Echenard, B.; +193 Authors

Achard, P.; Adriani, O.; Anselmo, F.; Dova, M. T.; Duchesneau, D.; Duinker, P.; Echenard, B.; Eline, A.; El Mamouni, H.; Engler, A.; Eppling, F. J.; Ewers, A.; Extermann, P.; Arefev, A.; Falagan, M. A.; Falciano, S.; Favara, A.; Fay, J.; Fedin, O.; Felcini, M.; Ferguson, T.; Fesefeldt, H.; Fiandrini, E.; Field, J. H.; Azemoon, T.; Filthaut, F.; Fisher, P. H.; Fisher, W.; Fisk, I.; Forconi, G.; Freudenreich, K.; Furetta, C.; Galaktionov, Iouri; Ganguli, S. N.; Garcia-Abia, Pablo; Aziz, T.; Gataullin, M.; Gentile, S.; Giagu, S.; Gong, Z. F.; Grenier, Gerald Jean; Grimm, O.; Gruenewald, M. W.; Guida, M.; van Gulik, R.; Gupta, V. K.; Bagnaia, P.; Gurtu, A.; Gutay, L. J.; Haas, D.; Hatzifotiadou, D.; Hebbeker, T.; Herve, Alain; Hirschfelder, J.; Hofer, H.; Hohlmann, M.; Holzner, G.; Bajo, A.; Hou, S. R.; Hu, Y.; Jin, B. N.; Jones, Lawrence W.; de Jong, P.; Josa-Mutuberria, I.; Kafer, D.; Kaur, M.; Kienzle-Focacci, M. N.; Kim, J. K.; Baksay, G.; Kirkby, Jasper; Kittel, W.; Klimentov, A.; Konig, A. C.; Kopal, M.; Koutsenko, V.; Kraber, M.; Kraemer, R. W.; Krenz, W.; Kruger, A.; Baksay, L.; Kunin, A.; Ladron de Guevara, P.; Laktineh, I.; Landi, G.; Lebeau, M.; Lebedev, A.; Lebrun, P.; Lecomte, P.; Lecoq, P.; Le Coultre, P.; Baldew, S. V.; Le Goff, J. M.; Leiste, R.; Levtchenko, P.; Li, C.; Likhoded, S.; Lin, C. H.; Lin, W. T.; Linde, F. L.; Lista, L.; Liu, Z. A.; Banerjee, S.; Lohmann, W.; Longo, E.; Lu, Y. S.; Lubelsmeyer, K.; Luci, C.; Luminari, L.; Lustermann, W.; Ma, W. G.; Malgeri, L.; Malinin, A.; Aguilar-Benitez, M.; Banerjee, Sw.; Mana, C.; Mangeol, D.; Mans, J.; Martin, J. P.; Marzano, F.; Mazumdar, K.; McNeil, R. R.; Mele, S.; Merola, L.; Meschini, M.; Barczyk, A.; Metzger, W. J.; Mihul, A.; Milcent, H.; Mirabelli, G.; Mnich, J.; Mohanty, G. B.; Muanza, G. S.; Muijs, A. J. M.; Musicar, B.; Musy, M.; Barillere, R.; Nagy, S.; Natale, S.; Napolitano, M.; Nessi-Tedaldi, F.; Newman, H.; Niessen, T.; Nisati, A.; Kluge, Hannelies; Ofierzynski, R.; Organtini, G.; Bartalini, P.; Palomares, C.; Pandoulas, D.; Paolucci, P.; Paramatti, R.; Passaleva, G.; Patricelli, S.; Paul, Thomas Cantzon; Pauluzzi, M.; Paus, C.; Pauss, F.; Basile, M.; Pedace, M.; Pensotti, S.; Perret-Gallix, D.; Petersen, B.; Piccolo, D.; Pierella, F.; Pioppi, M.; Piroue, P. A.; Pistolesi, E.; Plyaskin, V.; Batalova, N.; Pohl, M.; Pojidaev, V.; Pothier, J.; Prokofev, D. O.; Prokofiev, D.; Quartieri, J.; Rahal-Callot, G.; Rahaman, M. A.; Raics, P.; Raja, N.; Battiston, R.; Ramelli, R.; Rancoita, P. G.; Ranieri, R.; Raspereza, A.; Razis, P.; Ren, D.; Rescigno, M.; Reucroft, S.; Riemann, S.; Riles, Keith; Bay, A.; Roe, B. P.; Romero, L.; Rosca, A.; Rosier-Lees, S.; Roth, Stefan; Rosenbleck, C.; Roux, B.; Rubio, J. A.; Ruggiero, G.;

Study of the W+W−γ process and limits on anomalous quartic gauge boson couplings at LEP

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Abstract

The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mass energies from 192 GeV to 207 GeV, are presented. The W+W- gamma cross sections are measured to be in agreement with Standard Model expectations. No hints of anomalous quartic gauge boson couplings are observed. Limits at 95% confidence level are derived using also the process e+e- --> nu nubar gamma gamma.

Countries

France, France, Netherlands, Germany, France, Italy, France, Switzerland, France, Germany

Related Organizations

University of Lausanne
Switzerland
French National Centre for Scientific Research
France
Alma Mater Studiorum University of Bologna
Italy
University of Cyprus
Cyprus
Tata Institute of Fundamental Research
India

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Keywords

recoil: mass spectrum, FOS: Physical sciences, MONTE-CARLO PROGRAM; MISSING ENERGY; MULTIPHOTON EVENTS; E(+)E(-) COLLIDERS; MUON DETECTOR; L3 EXPERIMENT; SINGLE; CONSTRUCTION; CALORIMETER, electron positron: annihilation, W: leptonic decay, 530, info:eu-repo/classification/ddc/500.2, High Energy Physics - Experiment, W: pair production, W W: fusion, E(+)E(-) COLLIDERS, High Energy Physics - Experiment (hep-ex), MUON DETECTOR, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], MONTE-CARLO PROGRAM, electron positron --> W+ W- photon, electron positron --> neutrino antineutrino 2photon, angular distribution, channel cross section: energy dependence, CALORIMETER, info:eu-repo/classification/ddc/530, coupling: (4gauge boson), L3 EXPERIMENT, W: hadronic decay, CONSTRUCTION, neutrino: pair production, CERN LEP Stor, electron positron: colliding beams, photon: energy spectrum, photon: associated production, 192-207 GeV-cms, MULTIPHOTON EVENTS, SINGLE, L3, international, electroweak interaction: validity test, MISSING ENERGY, [PHYS.HEXP] Physics/High Energy Physics - Experiment, Particle Physics - Experiment, experimental results, ddc: ddc:500.2

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