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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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.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.rights.uri info:eu-repo/semantics/openAccess
dc.source 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.subject Física
dc.title Probing minimal supergravity in the type-I seesaw mechanism with lepton flavor violation at the CERN LHC
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-08-25T09:52:25Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.78.013006
dc.identifier.idgrec 048301

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