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Related papers: Charged LFV in a low-scale seesaw mSUGRA model

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Charged Lepton Flavour Violating (cLFV) decays constrain the relationship between the neutrino and the scalar sectors of the Grimus-Neufeld model (GNM), an appealing minimal model of neutrino masses. It turns out, that in the scenario,…

High Energy Physics - Phenomenology · Physics 2022-11-29 Vytautas Dūdėnas , Thomas Gajdosik , Uladzimir Khasianevich , Wojciech Kotlarski , Dominik Stöckinger

The Little Randall-Sundrum (Little RS) model receives significantly stronger constraints from the flavour observables in comparison to Randall-Sundrum (RS) model. In this paper, we analyse the effect of the electro-weak sector in Little RS…

High Energy Physics - Phenomenology · Physics 2022-12-23 Akshay A , Mathew Thomas Arun

The Minimal Lepton Flavour Violation (MLFV) framework is discussed after the recent indication for CP violation in the leptonic sector. Among the three distinct versions of MLFV, the one with degenerate right-handed neutrinos will be…

High Energy Physics - Phenomenology · Physics 2017-09-13 D. N. Dinh , L. Merlo , S. T. Petcov , R. Vega-Alvarez

We study lepton flavor violating (LFV) tau and B decays in models with heavy neutrinos to constrain the mixing matrix parameters U_{tau N}. We find that the best current constraints when the heavy neutrinos are purely left-handed come from…

High Energy Physics - Phenomenology · Physics 2009-11-10 Xiao-Gang He , G. Valencia , Yili Wang

The semileptonic decays $\tau^- \to \mu^- M (M=\pi^0,\eta,\eta')$ could be sensitive probe for new physics scenarios with lepton flavor violation(LFV). Motivated by the recent Belle measurement, we investigate these decays in type III…

High Energy Physics - Phenomenology · Physics 2009-11-11 Wenjun Li , Yadong Yang , Xiangdan Zhang

In the recently proposed minimal supersymmetric SO(10) model, the neutrino Dirac Yukawa coupling matrix, together with all the other fermion mass matrices, is completely determined once free parameters in the model are appropriately fixed…

High Energy Physics - Phenomenology · Physics 2011-07-18 Takeshi Fukuyama , Tatsuru Kikuchi , Nobuchika Okada

We analyze the Lepton Flavor Violating (LFV) Higgs decay h -> tau mu in three supersymmetric models: Minimal Supersymmetric Standard Model (MSSM), Supersymmetric Seesaw Model (SSM), and Supersymmetric B-L model with Inverse Seesaw…

High Energy Physics - Phenomenology · Physics 2017-04-05 Ahmed Hammad , Shaaban Khalil , Cem Salih Un

We study whether the individual violation of the lepton numbers L_{e,mu,tau} in the charged sector can lead to measurable rates for BR(mu->e gamma) and BR(tau->mu gamma). We consider three different scenarios, the fist one corresponds to…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. E. Gomez , D. F. Carvalho

We investigate the lepton flavor violating (LFV) rare decays in the supersymmetric minimal seesaw model in which the Frampton-Glashow-Yanagida ansatz is incorporated. The branching ratio of $\mu \to e \gamma$ is calculated in terms of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wan-lei Guo

In this paper, we study the lepton flavor violating decays of the $l_j\rightarrow l_i \gamma\gamma$ (j=2, 3; i=1, 2) processes under the $U(1)_X$SSM. The $U(1)_X$SSM is the addition of three singlet new Higgs superfields and right-handed…

High Energy Physics - Phenomenology · Physics 2023-10-31 Ming-Yue Liu , Shu-Min Zhao , Yi-Tong Wang , Xi Wang , Xin-Xin Long , Tong-Tong Wang , Hai-Bin Zhang , Tai-Fu Feng

In the two Higgs doublet model type III and in several other extensions of the Standard Model, there are no discrete symmetries that suppress flavor changing couplings at tree level. The experimental observation of the nu_mu -- nu_tau…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ketevi A. Assamagan , Aldo Deandrea , Pierre-Antoine Delsart

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 the lepton flavor violating (LFV) processes mu -> e gamma, mu -> 3e, and mu -> e conversion in nuclei in the left-right symmetric model without supersymmetry and perform the first complete computation of the LFV branching ratios…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Cirigliano , A. Kurylov , M. J. Ramsey-Musolf , P. Vogel

$U(1)_X$SSM is the extension of the minimal supersymmetric standard model (MSSM) and its local gauge group is $SU(3)_C\times SU(2)_L \times U(1)_Y \times U(1)_X$. We study lepton flavor violating (LFV) decays…

High Energy Physics - Phenomenology · Physics 2022-10-12 Yi-Tong Wang , Shu-Min Zhao , Tong-Tong Wang , Xi Wang , Xin-Xin Long , Jiao Ma , Tai-Fu Feng

Realistic predictions are made for lepton flavour violating and flavour changing neutral current decays in the large tan beta regime of a SUSY-seesaw model. Lepton flavour violating neutral Higgs decays are discussed within this framework…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. K. Parry

We calculate the rates for the charged lepton flavour violating decays l_i -> l_j gamma, tau -> l pi, tau -> l eta, tau -> l eta', mu^- -> e^- e^+ e^-, the six three body leptonic decays tau^- -> l_i^- l_j^+ l_k^- and the rate for mu-e…

High Energy Physics - Phenomenology · Physics 2010-01-22 Monika Blanke , Andrzej J. Buras , Bjoern Duling , Anton Poschenrieder , Cecilia Tarantino

Right-handed neutrinos in supersymmetric models can act as the source of lepton flavor violation (LFV). We present experimental implications of lepton flavor-violating processes within a supersymmetric type-I seesaw framework in the…

High Energy Physics - Phenomenology · Physics 2019-10-23 Howard Baer , Vernon Barger , Hasan Serce

We survey the lepton flavor violation branching ratios Br(mu->e,gamma), Br(tau->mu,gamma), and Br(tau->e,gamma) in mSUGRA for a broad class of lepton mass matrix textures that give nearly tribimaximal lepton mixing. Small neutrino masses…

High Energy Physics - Phenomenology · Physics 2011-04-20 Frank F. Deppisch , Florian Plentinger , Gerhart Seidl

In this study, we analyse the lepton flavor violation (LFV) decays within the framework of the Doublet Left-Right Symmetric model (DLRSM), based on the gauge group SU\left(2\right)_{L}\otimes SU\left(2\right)_{R}\otimes…

High Energy Physics - Phenomenology · Physics 2025-11-03 M. Zeleny-Mora , R. Gaitán , R. Martínez

We consider lepton flavor violations (LFV) mediated by photino as a result of the nondiagonal slepton mass matrices in general supersymmetric models. Using the experimental upper bounds on l \to l' + gamma and mu^- + Ti \to e^- + Ti as…

High Energy Physics - Phenomenology · Physics 2009-10-31 Yeong Gyun Kim , Pyungwon Ko , Jae Sik Lee , Kang Young Lee
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