1997
article
Limits on Anomalous {ital WW{gamma}} Couplings from {ital p}{ovr {ital p}}{ital {r_arrow}W{gamma}}+{ital X} Events at {radical}{ital s}=1.8 TeV
B. Gómez, B. Hoeneisen, P. Mooney, J. P. Negret, D. Fein, G. E. Forden, J.A. Guida, E. James, K. A. Johns, L. A. Markosky, A. Narayanan, J. M. Butler, S. H. Aronson, M. Fatyga, J. Featherly, B. Gibbard, H. A. Gordon, N. Graf, W. Guryn, S. J. Kahn, J. Kotcher, S. Protopopescu, J. Bantly, D. Cullen-Vidal, D. Cutts, T. Fahland, J. M. Guida, J. S. Hoftun, F. Nang, Dobrila Nešić, R. Partridge, P. C. Bloom, Y. Fisyak, S. Glenn, G. Grim, C. Klopfenstein, S. Mani, J. Drinkard, G. Griffin, R. E. Hall, A. Bischoff, C. Boswell, B. C. Choudhary, J. Cochran, J. Ellison, P. Gartung, A. P. Heinson, T. Huehn, G. A. Alves, W. Carvalho, A. K. A. Maciel, J. M. De Miranda, H. da Motta, M. Nicola, H. Castilla-Valdez, J. L. González Solís, R. Hernández-Montoya, L. Magaña-Mendoza, И. Адам, P. Franzini, A. V. Kotwal, M. Bhattacharjee, S. Abachi, S. H. Ahn, B. Baldin, J. F. Bartlett, P. C. Bhat, A. Boehnlein, F. Borcherding, A. Brandt, A. Bross, J. H. Christenson, W. E. Cooper, M. Demarteau, D. Denisov, H. T. Diehl, M. Diesburg, S. Fehér, H. E. Fisk, S. Fuess, K. Genser, C. E. Gerber, D.R. Green, H. Greenlee, N. Grossman, H. Haggerty, S. Hansen, U. Heintz, J. Hobbs, A. S. Ito
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Le résumé fourni par la source
We have measured the WW{gamma} gauge boson coupling parameters using p{ovr p}{r_arrow}scr(l){nu}{gamma}+X (scr(l)=e,{mu}) events at {radical}(s)=1.8 TeV. The data, corresponding to an integrated luminosity of 92.8pb{sup -1}, were collected using the DO/ detector at the Fermilab Tevatron Collider. The measured cross section times branching ratio for p{ovr p}{r_arrow}W{gamma}+X with p{sup {gamma}}{sub T}{gt}10 GeV/{ital c} and scr(R){sub scr(l){gamma}}{gt}0.7 is 11.3{sup +1.7}{sub -1.5}{plus_minus}1.5pb, in agreement with the standard model prediction. The 1degree of freedom 95{percent} confidence level limits on individual {ital CP}-conserving parameters are -0.93{lt}{Delta}{kappa}{lt}0.94 and -0.31{lt}{lambda}{lt}0.29. Similar limits are set on the {ital CP}-violating coupling parameters. {copyright} {ital 1997} {ital The American Physical Society}
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
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Les sujets associés
Particle physics theoretical and experimental studiesNeutrino Physics ResearchQuantum Chromodynamics and Particle Interactions