Probing neutralino properties in minimal supergravity with bilinear $R$-parity violation

Probing neutralino properties in minimal supergravity with bilinear $R$ -parity violation

F. de Campos, O. J. P. Éboli, M. B. Magro, W. Porod, D. Restrepo, S. P. Das, M. Hirsch, and J. W. F. Valle

Phys. Rev. D 86, 075001 – Published 1 October 2012

Abstract

Supersymmetric models with bilinear $R$ -parity violation can account for the observed neutrino masses and mixing parameters indicated by neutrino oscillation data. We consider minimal supergravity versions of bilinear $R$ -parity violation where the lightest supersymmetric particle is a neutralino. This is unstable, with a large enough decay length to be detected at the CERN Large Hadron Collider. We analyze the Large Hadron Collider potential to determine the lightest supersymmetric particle properties, such as mass, lifetime and branching ratios, and discuss their relation to neutrino properties.

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Received 18 July 2012

DOI:https://doi.org/10.1103/PhysRevD.86.075001

Authors & Affiliations

F. de Campos^*

Departamento de Física e Química, Universidade Estadual Paulista, Av. Dr. Ariberto Pereira da Cunha, 333, 12516-410 Guaratinguetá, São Paulo, Brazil

O. J. P. Éboli^†

Instituto de Física, Universidade de São Paulo, C.P. 66318, 05315-970 São Paulo, São Paulo, Brazil and Institut de Physique Théorique, CEA-Saclay Orme des Merisiers, 91191 Gif-sur-Yvette, France

M. B. Magro^‡

Instituto de Física, Universidade de São Paulo, C.P. 66318, 05315-970 São Paulo, São Paulo, Brazil and Centro Universitário Fundação Santo André, Av. Príncipe de Gales, 821, 09060-650 Santo André, São Paulo, Brazil

W. Porod^§

Institut für Theoretische Physik und Astronomie, Universität Würzburg, Campus Hubland Nord, Emil-Hilb-Weg 22, 97074 Würzburg, Germany

D. Restrepo^∥

Instituto de Física, Universidad de Antioquia, A.A. 1226 Medellin, Colombia

S. P. Das^¶, M. Hirsch^**, and J. W. F. Valle^††

AHEP Group, Instituto de Física Corpuscular-C.S.I.C./Universitat de València, Edificio Institutos de Paterna, Apt 22085, E-46071 Valencia, Spain

^*camposc@feg.unesp.br
^†eboli@fma.if.usp.br
^‡magro@fma.if.usp.br
^§porod@physik.uni-wuerzburg.de
^∥restrepo@uv.es
^¶spdas@ific.uv.es
^**hirsch@ific.uv.es
^††valle@ific.uv.es

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Issue

Vol. 86, Iss. 7 — 1 October 2012

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Physical Review D

covering particles, fields, gravitation, and cosmology