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Probing bilinear R-parity violating supergravity at the LHC

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Probing bilinear R-parity violating supergravity at the LHC

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dc.contributor.author	De Campos, F.
dc.contributor.author	Éboli, O.J.P.
dc.contributor.author	Magro, M.B.
dc.contributor.author	Porod, Werner
dc.contributor.author	Restrepo, Diego
dc.contributor.author	Hirsch, Martin
dc.contributor.author	Furtado Valle, José Wagner
dc.date.accessioned	2014-08-25T10:25:37Z
dc.date.available	2014-08-25T10:25:37Z
dc.date.issued	2008
dc.identifier.citation	De Campos, F. Éboli, O.J.P. Magro, M.B. Porod, Werner Restrepo, Diego Hirsch, Martin Furtado Valle, José Wagner 2008 Probing bilinear R-parity violating supergravity at the LHC Journal of High Energy Physics 2008 5 48
dc.identifier.uri	http://hdl.handle.net/10550/37383
dc.description.abstract	We study the collider phenomenology of bilinear R-parity violating supergravity, the simplest effective model for supersymmetric neutrino masses accounting for the current neutrino oscillation data. At the CERN Large Hadron Collider the center-of-mass energy will be high enough to probe directly these models through the search for the superpartners of the Standard Model (SM) particles. We analyze the impact of R-parity violation on the canonical supersymmetry searches-that is, we examine how the decay of the lightest supersymmetric particle (LSP) via bilinear R-parity violating interactions degrades the average expected missing momentum of the reactions and show how this diminishes the reach in the usual channels for supersymmetry searches. However, the R-parity violating interactions lead to an enhancement of the final states containing isolated same-sign di-leptons and trileptons, compensating the reach loss in the fully inclusive channel. We show how the searches for displaced vertices associated to LSP decay substantially increase the coverage in supergravity parameter space, giving the corresponding reaches for two reference luminosities of 10 and 100 fb(-1) and compare with those of the R-parity conserving minimal supergravity model.
dc.language.iso	eng
dc.relation.ispartof	Journal of High Energy Physics, 2008, vol. 2008, num. 5, p. 48
dc.subject	Física
dc.title	Probing bilinear R-parity violating supergravity at the LHC
dc.type	journal article	es_ES
dc.date.updated	2014-08-25T10:25:38Z
dc.identifier.doi	10.1088/1126-6708/2008/05/048
dc.identifier.idgrec	048297
dc.rights.accessRights	open access	es_ES