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Classification of the hadronic decays of the Z0 into B and C quark pairs using a neural network

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Classification of the hadronic decays of the Z0 into B and C quark pairs using a neural network

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dc.contributor.author	DELPHI Collaboration
dc.contributor.author	Allen, Paul
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Chrin, J. T. M.
dc.contributor.author	Cortina Gil, Eduardo
dc.contributor.author	Fez Laso, M. D. M. de
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	Higón Rodríguez, Emilio
dc.contributor.author	Lozano Bahilo, José Julio
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Zúñiga Román, Juan
dc.date.accessioned	2016-05-27T09:59:19Z
dc.date.available	2016-05-27T09:59:19Z
dc.date.issued	1992
dc.identifier.citation	DELPHI Collaboration Allen, Paul Castillo Giménez, María Victoria Chrin, J. T. M. Cortina Gil, Eduardo Fez Laso, M. D. M. de Ferrer Soria, Antonio Fuster Verdú, Juan A. García García, Carmen Gómez Cadenas, Juan José Hernández Rey, Juan José Higón Rodríguez, Emilio Lozano Bahilo, José Julio Lacasta Llácer, Carlos Martí García, Salvador Salt Cairols, José Valls Ferrer, Juan Antonio Zúñiga Román, Juan 1992 Classification of the hadronic decays of the Z0 into B and C quark pairs using a neural network Physics Letters B 295 3-4 383 395
dc.identifier.uri	http://hdl.handle.net/10550/53854
dc.description.abstract	A classifier based on a feed-forward neural network has been used for separating a sample of about 123 500 selected hadronic decays of the Z 0 , collected by DELPHI during 1991, into three classes according to the flavour of the original quark pair: u u +d d +s s (unresolved), c c and b b . The classification has been used to compute the partial widths of the Z 0 into b and c quark pairs. This gave Γ c c /Γ h = 0.151 ± 0.008 ( stat. ) ± 0.041 ( syst. ) , Γ b b /Γ h = 0.232±0.005 ( stat. )±0.017 ( syst. ) .
dc.language.iso	eng
dc.relation.ispartof	Physics Letters B, 1992, vol. 295, num. 3-4, p. 383-395
dc.subject	Física nuclear
dc.title	Classification of the hadronic decays of the Z0 into B and C quark pairs using a neural network
dc.type	journal article	es_ES
dc.date.updated	2016-05-27T09:59:19Z
dc.identifier.doi	10.1016/0370-2693(92)91580-3
dc.identifier.idgrec	070930
dc.rights.accessRights	open access	es_ES