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Probing minimal supergravity in the type-I seesaw mechanism with lepton flavor violation at the CERN LHC

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Probing minimal supergravity in the type-I seesaw mechanism with lepton flavor violation at the CERN LHC

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dc.contributor.author	Hirsch, Martin
dc.contributor.author	Furtado Valle, José Wagner
dc.contributor.author	Porod, Werner
dc.contributor.author	Romao, J. C.
dc.contributor.author	Villanova del Moral, A.
dc.date.accessioned	2014-08-25T09:52:25Z
dc.date.available	2014-08-25T09:52:25Z
dc.date.issued	2008
dc.identifier.citation	Hirsch, Martin Furtado Valle, José Wagner Porod, Werner Romao, J. C. Villanova del Moral, A. 2008 Probing minimal supergravity in the type-I seesaw mechanism with lepton flavor violation at the CERN LHC Physical Review D 78 1 013006
dc.identifier.uri	http://hdl.handle.net/10550/37378
dc.description.abstract	The most general supersymmetric seesaw mechanism has too many parameters to be predictive and thus can not be excluded by any measurements of lepton flavor violating (LFV) processes. We focus on the simplest version of the type I seesaw mechanism assuming minimal supergravity boundary conditions. We compute branching ratios for the LFV scalar tau decays, (tau) over tilde (2)->(e,mu)+chi(0)(1), as well as loop-induced LFV decays at low energy, such as l(i)-> l(j)+gamma and l(i)-> 3l(j), exploring their sensitivity to the unknown seesaw parameters. We find some simple, extreme scenarios for the unknown right-handed parameters, where ratios of LFV branching ratios correlate with neutrino oscillation parameters. If the overall mass scale of the left neutrinos and the value of the reactor angle were known, the study of LFV allows, in principle, to extract information about the so-far unknown right-handed neutrino parameters.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2008, vol. 78, num. 1, p. 013006
dc.subject	Física
dc.title	Probing minimal supergravity in the type-I seesaw mechanism with lepton flavor violation at the CERN LHC
dc.type	journal article	es_ES
dc.date.updated	2014-08-25T09:52:25Z
dc.identifier.doi	10.1103/PhysRevD.78.013006
dc.identifier.idgrec	048301
dc.rights.accessRights	open access	es_ES