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Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 GeV

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Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 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	Ferrer Soria, Antonio
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	García García, Carmen
dc.contributor.author	Hernández Rey, Juan José
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Martínez Vidal, Fernando
dc.contributor.author	Navas Concha, Sergio
dc.contributor.author	Salt Cairols, José
dc.date.accessioned	2014-04-01T08:00:49Z
dc.date.available	2014-04-01T08:00:49Z
dc.date.issued	1997
dc.identifier.citation	DELPHI Collaboration Alemany, R. Cabrera Urbán, Susana Castillo Giménez, María Victoria Cortina, E. Ferrer Soria, Antonio Fuster Verdú, Juan A. García García, Carmen Hernández Rey, Juan José Higón Rodríguez, Emilio Lacasta Llácer, Carlos Martínez Vidal, Fernando Navas, S. Salt Cairols, José 1997 Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 GeV Physics Letters B 396 315 326
dc.identifier.uri	http://hdl.handle.net/10550/33896
dc.description.abstract	A search for stable or long-lived heavy charged particles in e+e− interactions at energies of 130¿136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The search is based on particle identification provided by the Time Projection Chamber and the Ring Imaging Cherenkov detector. Upper limits at 95% confidence level are derived on the cross-section for heavy long-lived pair-produced charge ±e and View the MathML source particles in the range of 0.4¿2.3 pb for masses from 45 to 84 GeV/c2. Within supersymmetric extensions of the Standard Model, long-lived charginos with masses from 45 to 84 (80) GeV/c2 for high (low) sneutrino masses can be excluded at 95% confidence level. Left-handed (right-handed) long-lived or stable smuons and staus with masses between 45 and 68 (65) GeV/c2 can be excluded at 95% confidence level.
dc.relation.ispartof	Physics Letters B, 1997, vol. 396, p. 315-326
dc.subject	Física nuclear
dc.subject	Partícules (Física nuclear)
dc.title	Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 GeV
dc.type	journal article	es_ES
dc.date.updated	2014-04-01T08:00:49Z
dc.identifier.doi	10.1016/S0370-2693(97)00152-4
dc.identifier.idgrec	006620
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/S0370-2693(97)00152-4