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Related papers: LFV radiative Decays and Leptogenesis in the SUSY …

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The LFV charged lepton decays mu to e + gamma, tau to e + gamma and tau to mu + gamma and thermal leptogenesis are analysed in the MSSM with see-saw mechanism of neutrino mass generation and soft SUSY breaking with universal boundary…

High Energy Physics - Phenomenology · Physics 2010-04-05 S. T. Petcov , W. Rodejohann , T. Shindou , Y. Takanishi

In a large class of SUSY GUT models with see-saw mechanism of neutrino mass generation, lepton flavor violating (LFV) decays $\mu \to e + \gamma$, $\tau \to \mu + \gamma$, etc., are predicted with rates that are within the reach of present…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Pascoli , S. T. Petcov , C. E. Yaguna

Strictly adhering to the standard supersymmetric seesaw mechanism, we present a neutrino mass model which allows successful standard thermal leptogenesis compatible with gravitino cosmology. At least some of the neutrino Yukawa couplings…

High Energy Physics - Phenomenology · Physics 2010-11-05 Martti Raidal , Alessandro Strumia , Krzysztof Turzynski

In these proceedings we present the results for lepton flavour violating tau and muon decays within the SUSY seesaw scenario. Specifically, we consider the Constrained Minimal Supersymmetric Standard Model extended by three right handed…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Antusch , E. Arganda , M. J. Herrero , A. M. Teixeira

The charged lepton flavour violating (LFV) radiative decays, $\mu\to e+\gamma$, $\tau\to \mu+\gamma$ and $\tau\to e +\gamma$ are investigated in a class of supersymmetric $A_4$ models with three heavy right-handed (RH) Majorana neutrinos,…

High Energy Physics - Phenomenology · Physics 2014-11-20 C. Hagedorn , E. Molinaro , S. T. Petcov

We calculate the predictions for lepton flavour violating (LFV) tau and muon decays, $l_j \to l_i \gamma$, $l_j \to 3 l_i$, $\mu-e$ conversion in nuclei and LFV semileptonic tau decays $\tau \to \mu PP$ with $PP= \pi^+\pi^-, \pi^0\pi^0,…

High Energy Physics - Phenomenology · Physics 2008-10-02 E. Arganda , M. J. Herrero

In the context of the minimal supersymmetric seesaw model, we study the implications of the current neutrino data for thermal leptogenesis, $\beta\beta_{0\nu}$ decay, and leptonic flavour- and CP-violating low-energy observables. We express…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Martti Raidal

In this paper we review our main results for Lepton Flavour Violating (LFV) semileptonic tau decays and muon-electron conversion in nuclei within the context of two Constrained SUSY-Seesaw Models, the CMSSM and the NUHM. The relevant…

High Energy Physics - Phenomenology · Physics 2010-11-11 E. Arganda , M. Herrero , J. Portoles , A. Rodriguez-Sanchez , A. Teixeira

We present a purely linear seesaw mechanism in a left-right symmetric framework and then realize a novel leptogenesis scenario for parametrizing the cosmic baryon asymmetty by the charged lepton masses and the light Majorana neutrino mass…

High Energy Physics - Phenomenology · Physics 2020-06-24 Pei-Hong Gu

We present a review of neutrino phenomenology in the minimal seesaw model (MSM), an economical and intriguing extension of the Standard Model with only two heavy right-handed Majorana neutrinos. Given current neutrino oscillation data, the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wan-lei Guo , Zhi-zhong Xing , Shun Zhou

We address the constraints on the SUSY seesaw parameters arising from Lepton Flavour Violation observables. Working in the Constrained Minimal Supersymmetric Standard Model extended by three right-handed (s)neutrinos, we study the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. M. Teixeira , S. Antusch , E. Arganda , M. J. Herrero

We study the constraints on a minimal supersymmetric seesaw model imposed by neutrino data, charged lepton flavor violation, thermal leptogenesis and perturbativity. We show that it is possible to constrain the three heavy Majorana neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Deppisch , H. Päs , R. Rückl , A. Redelbach

Here we update the predictions for lepton flavour violating tau and muon decays, $l_j \to l_i \gamma$, $l_j \to 3 l_i$, and $\mu-e$ conversion in nuclei. We work within a SUSY-seesaw context where the particle content of the Minimal…

High Energy Physics - Phenomenology · Physics 2007-10-23 E. Arganda , M. J. Herrero

We investigate the leptogenesis via decays of heavy Majorana neutrinos which are produced non-thermally in inflaton decays. We make a comprehensive study on the leptogenesis assuming various supersymmetric (SUSY) models for hybrid, new and…

High Energy Physics - Phenomenology · Physics 2014-11-17 T. Asaka , K. Hamaguchi , M. Kawasaki , T. Yanagida

We perform a detailed analysis of lepton flavour violation (LFV) within minimal see-saw type extensions of the Standard Model (SM), which give a viable mechanism of neutrino mass generation and provide new particle content at the…

High Energy Physics - Phenomenology · Physics 2015-06-05 D. N. Dinh , A. Ibarra , E. Molinaro , S. T. Petcov

We analyse the dependence of the rates of the LFV charged lepton decays mu to e + gamma, tau to e + gamma, tau to mu + gamma (l_i to l_j + gamma) and their ratios, predicted in the class of SUSY theories with see-saw mechanism of nu-mass…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. T. Petcov , T. Shindou

We study leptogenesis in two seesaw models where maximal atmospheric neutrino mixing and $U_{e3} = 0$ result from symmetries. Salient features of those models are the existence of three Higgs doublets and a twofold degeneracy of the…

High Energy Physics - Phenomenology · Physics 2009-11-10 W. Grimus , L. Lavoura

We consider a two-Higgs-doublet extension of the Standard Model, with three right-handed neutrino singlets and the seesaw mechanism, wherein all the Yukawa-coupling matrices are lepton flavour-diagonal and lepton flavour violation is soft,…

High Energy Physics - Phenomenology · Physics 2017-03-16 E. H. Aeikens , W. Grimus , L. Lavoura

We study the lepton flavor violation in the supersymmetric seesaw model taking into account recent experimental improvements, especially for the Higgs boson mass measurement, direct searches of superpartners and the rare decay of B_s -> mu+…

High Energy Physics - Phenomenology · Physics 2015-03-05 Toru Goto , Yasuhiro Okada , Tetsuo Shindou , Minoru Tanaka , Ryoutaro Watanabe

In this work the following lepton flavor violating $\tau$ and $\mu$ decays are studied: $\tau^- \to \mu^- \mu^- \mu^+$, $\tau^- \to e^- e^- e^+$, $\mu^- \to e^- e^- e^+$, $\tau^- \to \mu^- \gamma$, $\tau^- \to e^- \gamma$ and $\mu^- \to e^-…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Arganda , M. J. Herrero
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