Measurement of the Gamma (b anti-b) / Gamma (hadron) branching ratio of the Z by double hemisphere tagging
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Measurement of the Gamma (b anti-b) / Gamma (hadron) branching ratio of the Z by double hemisphere tagging

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Measurement of the Gamma (b anti-b) / Gamma (hadron) branching ratio of the Z by double hemisphere tagging

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dc.contributor.author DELPHI Collaboration
dc.contributor.author Cases Ruiz, Ramón
dc.contributor.author Castillo Giménez, María Victoria
dc.contributor.author Higón Rodríguez, Emilio
dc.contributor.author Ferrer Soria, Antonio
dc.contributor.author Chrin, J. T. M.
dc.contributor.author Cortina Gil, Eduardo
dc.contributor.author Ferrer Soria, Antonio
dc.contributor.author Fuster Verdú, Juan A.
dc.contributor.author García García, Carmen
dc.contributor.author Gómez Cadenas, Juan José
dc.contributor.author Hernández Rey, Juan José
dc.contributor.author Hernando Morata, José Ángel
dc.contributor.author Lacasta Llácer, Carlos
dc.contributor.author Lozano Bahilo, José Julio
dc.contributor.author Martínez Vidal, Fernando
dc.contributor.author Martí García, Salvador
dc.contributor.author Navas Concha, Sergio
dc.contributor.author Salt Cairols, José
dc.contributor.author Valls Ferrer, Juan Antonio
dc.date.accessioned 2014-05-06T10:48:13Z
dc.date.available 2014-05-06T10:48:13Z
dc.date.issued 1995
dc.identifier.uri http://hdl.handle.net/10550/34919
dc.description.abstract Two measurements of Γbb¯/Γhad are presented. Both measurements use 250000Z decays taken with the DELPHI detector in 1991 and rely mainly on the precision of the microvertex detector. One tagging method is as simple as possible so that background rates can be reliably predicted by simulation. The other one uses a more involved tagging technique and reduces the dependence on simulation as much as possible. Combining both results, Γbb¯/Γhad is found to be 0.2209±0.0041(stat.)±0.0042(syst.)±0.0018 Γcc¯ .
dc.relation.ispartof Zeitschrift für Physik C-Particles and Fields, 1995, vol. 65, num. 4, p. 555-568
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source DELPHI Collaboration Cases Ruiz, Manuel Ramón Castillo Giménez, María Victoria Higón Rodríguez, Emilio Ferrer Soria, Antonio 1995 Measurement of the Gamma (b anti-b) / Gamma (hadron) branching ratio of the Z by double hemisphere tagging Zeitschrift für Physik C-Particles and Fields 65 4 555 568
dc.subject Partícules (Física nuclear)
dc.subject Detectors de radiació
dc.title Measurement of the Gamma (b anti-b) / Gamma (hadron) branching ratio of the Z by double hemisphere tagging
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-05-06T10:48:13Z
dc.identifier.doi http://dx.doi.org/10.1007/BF01578666
dc.identifier.idgrec 006562

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