Update of the search for charginos nearly mass-degenerate with the lightest neutralino
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Update of the search for charginos nearly mass-degenerate with the lightest neutralino

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Update of the search for charginos nearly mass-degenerate with the lightest neutralino

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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 Martínez Vidal, Fernando
dc.contributor.author Oyanguren Campos, Arantza
dc.contributor.author Salt Cairols, José
dc.contributor.author Tortosa Martínez, Pablo
dc.date.accessioned 2014-03-28T13:02:18Z
dc.date.available 2014-03-28T13:02:18Z
dc.date.issued 2000
dc.identifier.uri http://dx.doi.org/10.1016/S0370-2693(00)00693-6
dc.identifier.uri http://hdl.handle.net/10550/33753
dc.description.abstract The data collected by DELPHI in 1998 at the centre-of-mass energy of 189 GeV have been used to update the search for charginos nearly mass-degenerate with the lightest supersymmetric particle, which is assumed to be the lightest neutralino. Mass differences below \Delta M = 3 GeV/c^2 are considered. No excess of events with respect to the Standard Model expectation has been observed, and exclusions in the plane of \Delta M versus chargino mass are given. The new \Delta M independent lower limit on the mass of the chargino is 62.4 GeV/c^2 in the higgsino scenario (which includes the gaugino mass unification scenario), if all sfermions are heavier than the lightest chargino. In the approximation of large sfermion masses the limit is 59.8 GeV/c^2, independently of the field content.
dc.relation.ispartof Physics Letters B, 2000, vol. 485, num. 1-3, p. 95-106
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source DELPHI Collaboration Alemany, R. Cabrera, S. 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 Martínez Vidal, Fernando Oyanguren, A. Salt Cairols, José ,Tortosa Martínez, Pablo, 2000 Update of the search for charginos nearly mass-degenerate with the lightest neutralino Physics Letters B 485 1-3 95 106
dc.subject Física nuclear
dc.subject Partícules (Física nuclear)
dc.title Update of the search for charginos nearly mass-degenerate with the lightest neutralino
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-03-28T13:02:18Z
dc.identifier.doi http://dx.doi.org/10.1016/S0370-2693(00)00693-6
dc.identifier.idgrec 006709

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