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Related papers: Bilinear R-Parity Violation

200 papers

In a supersymmetric model where R-Parity and lepton number are violated bilinearly in the superpotential, which can explain the solar and atmospheric neutrino problems, we study the unification of gauge and Yukawa couplings at the GUT…

High Energy Physics - Phenomenology · Physics 2014-11-17 Marco Aurelio Diaz

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 investigate the possibility of obtaining sizeable R-parity breaking interactions violating baryon number but not lepton number within supersymmetric grand unified theories. Such a possibility allows to ameliorate the naturalness status…

High Energy Physics - Phenomenology · Physics 2013-12-16 Luca Di Luzio , Marco Nardecchia , Andrea Romanino

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 explore the consequences of promoting bilinear R-parity violation, usually formulated in the minimal supersymmetric standard model framework, to a supersymmetric SU(5) grand unified theory. We observe that the limits on proton decay and…

High Energy Physics - Phenomenology · Physics 2015-09-07 Najimuddin Khan , Subhendu Rakshit , Amitava Raychaudhuri

Supersymmetric couplings that do not respect R-parity can induce significant changes in the interaction rates of ultrahigh-energy neutrinos through the direct-channel production of superpartner resonances, and can provide new sources of…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Carena , D. Choudhury , S. Lola , C. Quigg

We investigate signals of the lightest neutral Higgs in an R-parity violating supersymmetric model through the vector boson fusion mechanism. Assuming that R-parity is violated through lepton number, and locating regions in the parameter…

High Energy Physics - Phenomenology · Physics 2009-10-31 Anindya Datta , Partha Konar , Biswarup Mukhopadhyaya

We briefly review the neutrino mass generation mechanism in supersymmetry with Bilinear R-Parity Violation in Minimal Supergravity and Anomaly Mediated Supersymmetry Breaking.

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Aurelio Diaz

I review the bounds on the $R$-parity-violating supersymmetric Yukawa couplings from the considerations of proton stability, $n$--$\bar{n}$ oscillation, $\nu_e$-Majorana mass, neutrino-less double $\beta$ decay, charged-current…

High Energy Physics - Phenomenology · Physics 2009-10-28 Gautam Bhattacharyya

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

We study gauge and Yukawa coupling unification in the simplest extension of the Minimal Supersymmetric Standard Model (MSSM) which incorporates R-Parity violation through a bilinear superpotential term. Contrary to what happens in the MSSM,…

High Energy Physics - Phenomenology · Physics 2009-09-17 Marco A. Diaz , J. Ferrandis , Jorge C. Romao , Jose W. F. Valle

Bilinear R-parity violation provides an attractive origin for neutrino masses and mixings. In such schemes the gravitino is a viable decaying dark matter particle whose R-parity violating decays lead to monochromatic photons with rates…

High Energy Physics - Phenomenology · Physics 2013-05-30 Diego Restrepo , Marco Taoso , J. W. F. Valle , Oscar Zapata

Supersymmetric models with broken R-parity induced by lepton number violating terms provide a calculable framework for neutrino masses and mixings. Within models with bilinear R-parity breaking six new physical phases appear which are…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Hirsch , T. Kernreiter , W. Porod

The Large Hadron Collider has recently discovered a Higgs-like particle having a mass around 125 GeV and also indicated that there is an enhancement in the Higgs to diphoton decay rate as compared to that in the standard model. We have…

High Energy Physics - Phenomenology · Physics 2013-06-12 R. S. Hundi

Recently, several $B$-physics experiments report interesting anomalies in the semi-leptonic decays of $B$-mesons, such as the excess in the $R_{D^{(\ast)}}$ measurements. These anomalies seem to suggest intriguing hints of lepton flavor…

High Energy Physics - Phenomenology · Physics 2019-01-09 Quan-Yi Hu , Xin-Qiang Li , Yu Muramatsu , Ya-Dong Yang

We consider the effects of R-parity violation due to the inclusion of a bilinear $\mu^\prime L H_u$ superpotential term in high scale supersymmetric models with an EeV scale gravitino as dark matter. Although the typical phenomenological…

High Energy Physics - Phenomenology · Physics 2018-08-01 Emilian Dudas , Tony Gherghetta , Kunio Kaneta , Yann Mambrini , Keith A. Olive

Successful leptogenesis within the simplest type I supersymmetric seesaw mechanism requires the lightest of the three right-handed neutrino supermultiplets to be heavier than $\sim10^9$ GeV. Thermal production of such (s)neutrinos requires…

High Energy Physics - Phenomenology · Physics 2009-09-17 Y. Farzan , J. W. F. Valle

Some aspects of bilinear R-Parity violation, the simplest extension of the MSSM which does not conserve R-Parity, are reviewed in comparison with the MSSM. We put special emphasis on the effect of quantum corrections.

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Aurelio Diaz

We propose a new mechanism in which the generation of the supersymmetric $\mu $-term as well charged lepton masses is closely tied to R-parity violation involving heavy vector-like families . A realistic example based on $SU(3)_c\times…

High Energy Physics - Phenomenology · Physics 2008-12-18 Qaisar Shafi , Zurab Tavartkiladze

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