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Related papers: Mass Spectrum in R-Parity Violating mSUGRA and Ben…

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We consider minimal supergravity (mSUGRA) models with an additional R-parity violating operator at the grand unification scale. This can change the supersymmetric spectrum leading on the one hand to a sneutrino, smuon or squark as the…

High Energy Physics - Phenomenology · Physics 2015-05-14 H. K. Dreiner , S. Grab

We consider the minimal supergravity model (mSUGRA) with one additional R-parity violating operator at the GUT scale. The superparticles mass spectra at the weak scale are generally altered due to the presence of the R-parity violating…

High Energy Physics - Phenomenology · Physics 2009-02-02 Markus A. Bernhardt , Siba Prasad Das , Herbi K. Dreiner , Sebastian Grab

We consider the case where supersymmetry with broken R-parity is embedded in the minimal supergravity model (mSUGRA). This alters the standard mSUGRA spectrum and opens a wide range in parameter space, where the scalar tau is the lightest…

High Energy Physics - Phenomenology · Physics 2007-10-11 B. C. Allanach , M. A. Bernhardt , H. K. Dreiner , S. Grab , C. H. Kom , P. Richardson

We present the minimal supersymmetric standard model with general broken R-parity, focusing on minimal supergravity (mSUGRA). We discuss the origins of lepton number violation in supersymmetry. We have computed the full set of coupled…

High Energy Physics - Phenomenology · Physics 2014-11-17 B. C. Allanach , A. Dedes , H. K. Dreiner

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

Current publicly available computer programs calculate the spectrum and couplings of the minimal supersymmetric standard model under the assumption of R-parity conservation. Here, we describe an extension to the SOFTSUSY program which…

High Energy Physics - Phenomenology · Physics 2012-07-31 B. C. Allanach , M. A. Bernhardt

We investigate the discovery potential of the LHC experiments for R-parity violating supersymmetric models with a stau as the lightest supersymmetric particle (LSP) in the framework of minimal supergravity. We classify the final states…

High Energy Physics - Phenomenology · Physics 2011-02-25 K. Desch , H. K. Dreiner , S. Fleischmann , S. Grab , P. Wienemann

Within the R-parity violating minimal supersymmetric standard model (MSSM), we use a hierarchical ansatz for the lepton-number violating trilinear Yukawa couplings by relating them to the corresponding Higgs-Yukawa couplings. This ansatz…

High Energy Physics - Phenomenology · Physics 2013-05-30 M. Hanussek , J. S. Kim

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

We study the correlation between the neutrino oscillation and the production/decay of the lightest supersymmetric particle(LSP) in the context of the minimal supergravity model(mSUGRA) without R-parity. We show how the neutrino masses and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Eung Jin Chun , Dong-Won Jung , Sin Kyu Kang , Jong Dae Park

R parity violation can induce mixing of the supersymmetric Higgs bosons with the sneutrinos at the tree level. We study the effect of this mixing on the decays of Higgs scalars as well as sneutrinos in an effective model where the violation…

High Energy Physics - Phenomenology · Physics 2009-09-25 F. de Campos , M. A. Garcia-Jareno , Anjan S. Joshipura , J. Rosiek , José W. F. Valle

We consider the Minimal Supergravity Model with universality of scalar and gaugino masses plus an extra bilinear term in the superpotential which breaks R-Parity and lepton number. We explicitly check the consistency of this model with the…

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

Supersymmetry with bilinear R-parity violation provides a predictive framework for neutrino masses and mixings in agreement with current neutrino oscillation data. The model leads to striking signals at future colliders through the R-parity…

High Energy Physics - Phenomenology · Physics 2009-09-17 M. Hirsch , W. Porod , J. C. Romao , J. W. F. Valle

We show that the minimal R-parity breaking model characterized by an effective bilinear violation of R-parity in the superpotential is consistent with minimal N=1 supergravity unification with radiative breaking of the electroweak symmetry…

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

In supersymmetric models with R parity violation, constraints on superpartner masses are significantly weaker than in models which conserve R parity. We find in regions of parameter space where a neutral gaugino or third generation scalar…

High Energy Physics - Phenomenology · Physics 2008-04-11 Linda M. Carpenter , David E. Kaplan , E. J. Rhee

We consider B3 mSUGRA models where we have one lepton number violating LQD operator at the GUT scale. This can alter the supersymmetric mass spectrum leading to a sneutrino as the lightest supersymmetric particle in a large region of…

High Energy Physics - Phenomenology · Physics 2010-12-09 M. A. Bernhardt , S. P. Das , H. K. Dreiner , S. Grab

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 perform a complete analysis of the supersymmetric particle spectrum in the Minimal Supergravity (mSUGRA) model where the soft SUSY breaking scalar masses, gaugino masses and trilinear couplings are unified at the GUT scale, so that the…

High Energy Physics - Phenomenology · Physics 2010-02-03 A. Djouadi , M. Drees , J. L. Kneur

In supersymmetric models with explicit breaking of R-parity the lightest supersymmetric particle (LSP) may be the lightest stau, $\stau_1$. Such a scenario would provide a clear sign of R-parity violating SUSY, although its phenomenology…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. G. Akeroyd , Chun Liu , Jeonghyeon Song

The measurement of sparticle masses in the Minimal Supersymmetric Standard Model at the LHC is analysed, in the scenario where the lightest neutralino decays into three quarks. Such decays, occurring through the baryon-number violating…

High Energy Physics - Phenomenology · Physics 2011-07-19 B. C. Allanach , A. J. Barr , L. Drage , C. G. Lester , D. Morgan , M. A. Parker , P. Richardson B. R. Webber
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