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Related papers: Lepton flavor violation in the triplet Higgs model

200 papers

In this work, we have studied lepton flavor violating (LFV) decays of $Z$ gauge boson and Higgs boson ($H$) in the scotogenic model. We have computed branching ratios for the decays $Z\to\ell_\alpha\ell_\beta$ and…

High Energy Physics - Phenomenology · Physics 2022-06-07 Raghavendra Srikanth Hundi

The minimal Standard Model extension with the Weinberg operator does accommodate the observed neutrino masses and mixing, but predicts a neutrinoless double beta ($0\nu\beta\beta$) decay rate proportional to the effective electron neutrino…

High Energy Physics - Phenomenology · Physics 2015-06-03 Francisco del Aguila , Alberto Aparici , Subhaditya Bhattacharya , Arcadi Santamaria , Jose Wudka

In the present work we review the most prominent lepton flavor violating processes ($\mu \ra e\gamma$, $\mu \ra 3e$, $(\mu , e)$ conversion, $M-\bar M$ oscillations etc), in the context of unified gauge theories. Many currently fashionable…

High Energy Physics - Phenomenology · Physics 2011-07-19 T. S. Kosmas , G. K. Leontaris , J. D. Vergados

We investigate the sources of neutrino mass generation in Little Higgs theories, by confining ourselves to the "Littlest Higgs" scenario. Our conclusion is that the most satisfactory way of incorporating neutrino masses is to include a…

High Energy Physics - Phenomenology · Physics 2009-11-11 Tao Han , Heather E. Logan , Biswarup Mukhopadhyaya , Raghavendra Srikanth

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 examine relation between neutrino oscillation parameters and prediction of lepton flavor violation, in light of deviations from tri-bimaximal mixing. Our study shows that upcoming experimental searches for lepton flavor violation process…

High Energy Physics - Phenomenology · Physics 2010-04-15 Kentaro Kojima , Hideyuki Sawanaka

The right--handed neutrino mass matrix that is central to the understanding of small neutrino masses via the seesaw mechanism can arise either (i) from renormalizable operators or (ii) from nonrenormalizable or super-renormalizable…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. S. Babu , B. Dutta , R. N. Mohapatra

We study the bounds on minimal lepton flavour violation in the context of Type-III see-saw imposed by LHC Run I search for events which contain two charged leptons (either electron or muons of equal or opposite sign), two jets from a…

High Energy Physics - Phenomenology · Physics 2017-08-30 Nuno Rosa Agostinho , O. J. P. Eboli , M. C. Gonzalez-Garcia

We examine the parameter space region of the inverse seesaw model that is consistent with neutrino oscillation data. We focus on the correlation between the current limits from the search of the $\mu\to e\gamma$ lepton flavor violating…

High Energy Physics - Phenomenology · Physics 2023-08-28 J. C. Garnica , G. Hernández-Tomé , E. Peinado

By adding new gauge singlets of neutral leptons, the improved versions of the 3-3-1 models with right-handed neutrinos have been recently introduced in order to explain recent experimental neutrino oscillation data through the inverse…

High Energy Physics - Phenomenology · Physics 2018-04-18 T. Phong Nguyen , T. Thuy Le , T. T. Hong , L. T. Hue

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 this letter, we report on lepton flavor violating Higgs decay into mu+tau in the framework of the generic supersymmetric standard model without R parity and list interesting combinations of R-parity violating parameters. We impose other…

High Energy Physics - Phenomenology · Physics 2013-02-20 Abdesslam Arhrib , Yifan Cheng , Otto C. W. Kong

We study lepton flavor violation (LFV) associated with tau leptons in the framework of the two Higgs doublet model, in which LFV couplings are introduced as a deviation from Model II Yukawa interaction. Parameters of the model are…

High Energy Physics - Phenomenology · Physics 2011-08-17 Shinya Kanemura , Toshihiko Ota , Koji Tsumura

We investigate the lepton flavor violation decays, $\tau \to \mu\gamma$, $\tau \to e\gamma$ and $\mu \to e\gamma$, in the framwork of a squential fourth generation model with a heavy fourth neutrino, $\nu'$. Using the recent experimental…

High Energy Physics - Phenomenology · Physics 2007-05-23 Wu-Jun Huo , Tai-Fu Feng

We predict the branching ratios of Z -> e^{\pm} \mu^{\pm}, Z -> e^{\pm} \tau^{\pm} and Z -> \mu^{\pm} \tau^{\pm} decays in the model III version of the two Higgs doublet model, with the inclusion of one and two spatial non-universal extra…

High Energy Physics - Phenomenology · Physics 2011-09-13 E. O. Iltan

We investigate lepton flavor violation in the scotogenic model proposed by Ma in which neutrinos acquire non-zero masses at the 1-loop level. Although some works exist in this direction, they have mainly focused on the radiative decay…

High Energy Physics - Phenomenology · Physics 2014-02-04 Takashi Toma , Avelino Vicente

Motivated by the observation of neutrino oscillations, we extend the Higgs boson exempt no-scale supersymmetry model (HENS) by adding three heavy right-handed neutrino chiral supermultiplets to generate the light neutrino masses and…

High Energy Physics - Phenomenology · Physics 2009-01-21 Eung Jin Chun , Jason L. Evans , David E. Morrissey , James D. Wells

We speculate about the possible interpretations of the recently observed excess in the $h \to \tau \mu$ decay. We derive a robust lower bound on the Higgs boson coupling strength to a tau and a muon, even in presence of the most general new…

High Energy Physics - Phenomenology · Physics 2015-10-12 Ilja Dorsner , Svjetlana Fajfer , Admir Greljo , Jernej F. Kamenik , Nejc Kosnik , Ivan Nisandzic

We study the lepton flavor violating H^0 \to h^0 (A^0) l_i^- l_j^+ and the lepton flavor conserving H^0 \to h^0 (A^0) l_i^- l_i^+ (l_i=\tau, l_j=\mu) decays in the framework of the general two Higgs doublet model, the so-called model III.…

High Energy Physics - Phenomenology · Physics 2009-11-07 E. Iltan

This paper presents direct searches for lepton flavour violation in Higgs boson decays, $H\rightarrow e\tau$ and $H\rightarrow\mu\tau$, performed using data collected with the ATLAS detector at the LHC. The searches are based on a data…

High Energy Physics - Experiment · Physics 2023-08-24 ATLAS Collaboration