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Related papers: R-parity-violating trilinear couplings and recent …

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The recent Super-Kamiokande data now admit only one type of mass hierarchy in a framework with three active and one sterile neutrinos. We show that neutrino masses and mixings generated by R-parity-violating couplings, with values within…

High Energy Physics - Phenomenology · Physics 2009-10-31 Asmaa Abada , Gautam Bhattacharyya

We consider the neutrino oscillations within the minimal supersymmetric standard model with R-parity violation. The Super-Kamiokande atmospheric neutrino data are used to set limits on the bilinear R-parity violating terms. These very…

High Energy Physics - Phenomenology · Physics 2009-10-31 Vadim Bednyakov , Amand Faessler , Sergey Kovalenko

We discuss a model for neutrino masses and mixings based on R parity violating Yukawa couplings. The model requires no right-handed neutrinos. It accommodates the SuperKamiokande data on atmospheric neutrinos and successfully relates this…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. Clavelli , P. H. Frampton

The constraints on an R-parity violating supersymmetric theory arising from the recent SuperKamiokande results on atmospheric neutrinos are studied, with special reference to a scenario with bilinear R-parity violating terms. Considering…

High Energy Physics - Phenomenology · Physics 2009-10-31 Aseshkrishna Datta , Biswarup Mukhopadhyaya , Sourov Roy

Motivated by the recent SuperKamiokande results on atmospheric neutrinos, we incorporate massive neutrinos, with large angle oscillation between the second and third generations, in a theory with R-parity violating supersymmetry. The…

High Energy Physics - Phenomenology · Physics 2009-10-31 Biswarup Mukhopadhyaya

We analyse an extension of the minimal supersymmetric standard model including the dominant trilinear and bilinear R-parity violating contributions. We take the trilinear terms from the superpotential and the bilinear terms from the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Asmaa Abada , Gautam Bhattacharyya , Marta Losada

Theoretical and phenomenological implications of R-parity violation in supersymmetric theories are discussed in the context of particle physics and cosmology. Fundamental aspects include the relation with continuous and discrete symmetries…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Barbier , C. Berat , M. Besancon , M. Chemtob , A. Deandrea , E. Dudas , P. Fayet , S. Lavignac , G. Moreau , E. Perez , Y. Sirois

Using the neutrino oscillations and neutrinoless double beta decay experimental data we reconstructed an upper limit for the three generation neutrino mass matrix. We compared this matrix with the predictions of the minimal…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. Haug , J. D. Vergados , Amand Faessler , S. Kovalenko

R-parity violating bilinear (soft) terms in the supersymmetric standard model would be the leading source for nonzero neutrino masses and mixing. We point out that the mixing between neutralinos (charginos) and neutrinos (charged leptons)…

High Energy Physics - Phenomenology · Physics 2009-10-31 Eung Jin Chun , Jae Sik Lee

We consider neutrino masses generated at tree level and at one loop, through fermion--sfermion loop diagrams, in the MSSM with R-parity violation. Using the $(3\times 3)$ mass and mixing matrices for three generations of neutrinos and the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Asmaa Abada , Marta Losada

Neutrino mass spectrum is reanalyzed in supersymmetric models with explicit trilinear $R$ violation. Models in this category are argued to provide simultaneous solution to the solar and atmospheric neutrino anomalies. It is shown…

High Energy Physics - Phenomenology · Physics 2009-12-30 Anjan S. Joshipura , Sudhir K. Vempati

We show that a supersymmetric standard model exhibiting anomaly mediated supersymmetry breaking can generate naturally the observed neutrino mass spectrum as well mixings when we include bilinear R-parity violation interactions. In this…

High Energy Physics - Phenomenology · Physics 2009-11-10 F. de Campos , M. A. Diaz , O. J. P. Eboli , R. A. Lineros , M. B. Magro , P. G. Mercadante

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

We take both the bilinear and trilinear R-parity violating couplings in supersymmetric models as a source of neutrino masses and mixings. Using the solar and atmospheric data and the Chooz constraint we determine the allowed ranges of those…

High Energy Physics - Phenomenology · Physics 2007-05-23 Asmaa Abada , Gautam Bhattacharyya , Marta Losada

We compute one loop neutrino masses in the R-parity violating Minimal Supersymmetric Model, including the bilinear R-parity violating masses in the mass insertion approximation. To the order we calculate, our results are independent of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Sacha Davidson , Marta Losada

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

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

Phenomenological analysis to the R-parity violating supersymmetry with a vector-like extra generation is performed in detail. It is found that, via the trilinear couplings, the correct neutrino spectrum can be obtained. The Higgs mass rises…

High Energy Physics - Phenomenology · Physics 2013-10-14 Xue Chang , Chun Liu , Yi-Lei Tang

In this work, we explore a well motivated beyond the Standard Model scenario, namely, R-parity violating Supersymmetry, in the context of light neutrino masses and mixing. We assume that the R-parity is only broken by the lepton number…

High Energy Physics - Phenomenology · Physics 2024-02-07 Arghya Choudhury , Sourav Mitra , Arpita Mondal , Subhadeep Mondal

R-parity and L violation in the MSSM would be the origin of the neutrino oscillation observed in Super-Kamiokande. A distinctive feature of this framework is that it can be tested in colliders by observing decay products of the destabilized…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Y. Choi , Eung Jin Chun , Sin Kyu Kang , Jae Sik Lee
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