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Search for the t and b' quarks in hadronic decays of the Z0 boson

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Search for the t and b' quarks in hadronic decays of the Z0 boson

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dc.contributor.author	DELPHI Collaboration
dc.contributor.author	Allen, Paul
dc.contributor.author	Alted Abad, Francesc Josep
dc.contributor.author	Benlloch Baviera, José María
dc.contributor.author	Castillo Giménez, María Victoria
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	Hernández Rey, Juan José
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Lozano Bahilo, José Julio
dc.contributor.author	Sánchez Rojo, María Ester
dc.contributor.author	Sánchez Martínez, Javier
dc.contributor.author	Sanchis Peris, Enrique
dc.contributor.author	Sebastiá Cortés, Angel
dc.contributor.author	Llosá Reig, Rafael
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Velasco González, Jorge
dc.contributor.author	Vela Buendía, Enrique
dc.contributor.author	Zúñiga Román, Juan
dc.date.accessioned	2016-05-23T11:14:50Z
dc.date.available	2016-05-23T11:14:50Z
dc.date.issued	1990
dc.identifier.citation	DELPHI Collaboration Allen, Paul Alted Abad, Francesc Josep Benlloch Baviera, José María Castillo Giménez, María Victoria Fez Laso, M. D. M. de Ferrer Soria, Antonio Fuster Verdú, Juan A. Hernández Rey, Juan José Higón Rodríguez, Emilio Lozano Bahilo, José Julio Sánchez Rojo, María Ester Sánchez Martínez, Javier Sanchis Peris, Enrique Sebastiá Cortés, Angel Llosá Reig, Rafael Valls Ferrer, Juan Antonio Velasco González, Jorge Vela, E. Zúñiga Román, Juan 1990 Search for the t and b' quarks in hadronic decays of the Z0 boson Physics Letters B 242 3-4 536 546
dc.identifier.uri	http://hdl.handle.net/10550/53678
dc.description.abstract	We present a search for the third generation up type quark t and a possible fourth down type quark b' in hadronic Z 0 decays observed in DELPHI at the LEP collider. For any scenario with a decay through the charged current or into a charged Higgs with a mass at least 6 GeV/ c 2 below the t and 3 GeV c 2 below the b' mass, we set a lower limit for the t quark mass at 44.0 GeV/ c 2 and for the b' mass at 44.5 GeV/ c 2 . For specific scenarios the mass limits are slightly higher, e.g. for charged current decays the limits are 44.5 and 45.0 GeV/ c 2 respectively, where all limits are given at a 95% confidence level.
dc.language.iso	eng
dc.relation.ispartof	Physics Letters B, 1990, vol. 242, num. 3-4, p. 536-546
dc.title	Search for the t and b' quarks in hadronic decays of the Z0 boson
dc.type	journal article	es_ES
dc.date.updated	2016-05-23T11:14:50Z
dc.identifier.doi	10.1016/0370-2693(90)91808-O
dc.identifier.idgrec	070951
dc.rights.accessRights	open access	es_ES