W pair production cross-section and W branching fractions in e(+)e(-) interactions at 189 GeV
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W pair production cross-section and W branching fractions in e(+)e(-) interactions at 189 GeV

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W pair production cross-section and W branching fractions in e(+)e(-) interactions at 189 GeV

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dc.contributor.author DELPHI Collaboration
dc.contributor.author Alemany Fernández, Reyes
dc.contributor.author Cabrera Urbán, Susana
dc.contributor.author Castillo Giménez, María Victoria
dc.contributor.author Cortina Gil, Eduardo
dc.contributor.author Costa Mezquita, María José
dc.contributor.author Ferrer Soria, Antonio
dc.contributor.author Fuster Verdú, Juan A.
dc.contributor.author García García, Carmen
dc.contributor.author Gil Botella, Inés
dc.contributor.author Hernández Rey, Juan José
dc.contributor.author Higón Rodríguez, Emilio
dc.contributor.author Oyanguren Campos, Arantza
dc.contributor.author Salt Cairols, José
dc.contributor.author Tortosa Martínez, Pablo
dc.date.accessioned 2014-03-29T12:19:07Z
dc.date.available 2014-03-29T12:19:07Z
dc.date.issued 2000
dc.identifier.uri http://dx.doi.org/10.1016/S0370-2693(00)00314-2
dc.identifier.uri http://hdl.handle.net/10550/33799
dc.description.abstract The cross-section for the process e+e- -> W+W- has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 189 GeV and corresponding to an integrated luminosity of 155 pb^{-1}. Based on the 2392 events selected as WW candidates, the cross-section for the doubly resonant process e+e- -> W+W- has been measured to be 15.83 +- 0.38 (stat) +- 0.20 (syst) pb. The branching fractions of the W decay were also measured and found to be in good agreement with the Standard Model expectation. From these a value of the CKM mixing matrix element |V_{cs}| = 1.001 +- 0.040 (stat) +- 0.020 (syst) was derived.
dc.relation.ispartof Physics Letters B, 2000, vol. 479, num. 1-3, p. 89-100
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source DELPHI Collaboration Alemany, R. Cabrera Urbán, Susana Castillo Giménez, María Victoria Cortina, E. Costa, M. Ferrer Soria, Antonio Fuster Verdú, Juan A. García García, Carmen Gil, I. Hernández Rey, Juan José Higón Rodríguez, Emilio Oyanguren Campos, Arantza Salt Cairols, José ,Tortosa Martínez, Pablo, 2000 W pair production cross-section and W branching fractions in e(+)e(-) interactions at 189 GeV Physics Letters B 479 1-3 89 100
dc.subject Física nuclear
dc.subject Partícules (Física nuclear)
dc.title W pair production cross-section and W branching fractions in e(+)e(-) interactions at 189 GeV
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-03-29T12:19:07Z
dc.identifier.doi http://dx.doi.org/10.1016/S0370-2693(00)00314-2
dc.identifier.idgrec 006706

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