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The simplest unified extension of the Minimal Supersymmetric Standard Model with bi-linear R--Parity violation provides a predictive scheme for neutrino masses which can account for the observed atmospheric and solar neutrino anomalies in…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. C. Romao , M. A. Diaz , M. Hirsch , W. Porod , J. W. F Valle

Neutrino masses and their mixing are studied in detail in the framework of a supersymmetric standard model with bilinear R-parity violation. In this scenario, the mixing matrix among the neutrinos is in a restrictive form. We find that only…

High Energy Physics - Phenomenology · Physics 2008-11-26 Fumihiro Takayama , Masahiro Yamaguchi

The simplest unified extension of the MSSM with bi-linear R--Parity violation naturally predicts a hierarchical neutrino mass spectrum, in which one neutrino acquires mass by mixing with neutralinos, while the other two get mass…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Hirsch , M. A. Diaz , W. Porod , J. C. Romao , J. W. F. Valle

The simplest unified extension of the Minimal Supersymmetric Standard Model with bi-linear R--Parity violation provides a predictive scheme for neutrino masses which can account for the observed atmospheric and solar neutrino anomalies.…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. C. Romao

We consider a supersymmetric model where the neutrino mass matrix arises from bilinear and trilinear R-parity violation, both restricted by a $Z_3$ flavor symmetry. Assuming flavor blind soft supersymmetry (SUSY) breaking conditions,…

High Energy Physics - Phenomenology · Physics 2013-05-30 E. Peinado , A. Vicente

With only three flavors it is possible to account for various neutrino oscillation experiments. The masses and mixing angles for three neutrinos can be determined from the available experimental data on neutrino oscillation and from the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Rathin Adhikari , Gordana Omanovic

Neutrino masses and mixing are generated in a supersymmetric standard model when R-parity is violated in bilinear mass terms. The mixing matrix among the neutrinos takes a restrictive form if the lepton flavor universality holds in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Fumihiro Takayama , Masahiro Yamaguchi

We show how Bilinear R-Parity violation within the Minimal Supersymmetric Standard Model can solve the atmospheric and solar neutrino problems by generating naturally small and hierarchical neutrino masses, together with neutrino mixing…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Hirsch , M. A. Diaz , W. Porod , J. C. Romao , J. W. F. Valle

We study the R-parity violating minimal supergravity models accounting for the observed neutrino masses and mixing, which can be tested in future collider experiments. The bi-large mixing can be explained by allowing five dominant…

High Energy Physics - Phenomenology · Physics 2009-11-10 Dong-Won Jung , Sin Kyu Kang , Jong Dae Park , Eung Jin Chun

We investigate how the observed neutrino data can be accommodated by R-parity violation in Split Supersymmetry. The atmospheric neutrino mass and mixing are explained by the bilinear parameters $\xi_i$ inducing the neutrino-neutralino…

High Energy Physics - Phenomenology · Physics 2009-11-10 Eung Jin Chun , Seong Chan Park

We perform a general analytic study of feasibility of obtaining a combined explanation for the deficits in the solar and the atmospheric neutrino fluxes with two large mixing angles in supersymmetric model with bilinear R parity violations.…

High Energy Physics - Phenomenology · Physics 2010-04-05 Anjan S. Joshipura , Rishikesh D. Vaidya , Sudhir K. Vempati

In the context of the minimal supersymmetric standard model, nonzero neutrino masses and mixing can be generated through renormalizable lepton number (and thus R-parity) violating operators. It is examined whether neutrino mass matrices…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. J. Chun , S. K. Kang , C. W. Kim , U. W. Lee

The simplest unified extension of the Minimal Supersymmetric Standard Model with bilinear R-Parity violation provides a predictive scheme for neutrino masses which can account for the observed atmospheric and solar neutrino anomalies.…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Hirsch , W. Porod , M. A. Diaz , J. C. Romao , J. W. F. Valle

Bilinear R-parity violation is a simple extension of the MSSM allowing for Majorana neutrino masses. One of the three neutrinos picks up mass by mixing with the neutralinos of the MSSM, while the other two neutrinos gain mass from 1-loop…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Hirsch , W. Porod , J. W. F. Valle , M. A. Diaz , J. C. Romao

R-parity violation in the supersymmetric standard model can be the source of neutrino masses and mixing. We analyze the neutrino mass matrix coming from either bilinear or trilinear R-parity violation and its collider signatures, assuming…

High Energy Physics - Phenomenology · Physics 2016-09-06 E. J. Chun , D. W. Jung , S. K. Kang , J. D. Park

The simplest unified extension of the Minimal Supersymmetric Standard Model with bilinear R--Parity violation provides a predictive scheme for neutrino masses which can account for the observed atmospheric and solar neutrino parameters.…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. C. Romao

We study the decays of the lightest supersymmetric particle (LSP) in models with spontaneously broken R-parity. We focus on the two cases that the LSP is either a bino or a neutral singlet lepton. We work out the most important…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Hirsch , W. Porod , A. Vicente

We study the R-parity violating minimal supergravity models accounting for the observed neutrino masses and mixing, which can be tested in future collider experiments. The bi-large mixing can be explained by allowing five dominant…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dong-Won Jung

The solar and atmospheric neutrino anomalies constitute the only solid and most remarkable evidence for physics beyond the Standard Model, indicating that the lepton mixing matrix is fundamentally distinct from that describing the quarks.…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Hirsch , W. Porod , J. Romao , J. W. F. Valle

The simplest unified extension of the Minimal Supersymmetric Standard Model with bi-linear R-parity violation naturally predicts a hierarchical neutrino mass spectrum, suitable to explain atmospheric and solar neutrino fluxes. We study…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. F. Carvalho , M. E. Gomez , J. C. Romao
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