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Related papers: Lepton Flavor Violation in Extra Dimension Models

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Phenomenological studies of Flavored Dark Matter (FDM) models often have to assume a near-diagonal flavor structure in the coupling matrix in order to remain consistent with bounds from flavor violating processes. In this paper we show that…

High Energy Physics - Phenomenology · Physics 2020-04-29 Niral Desai , Can Kilic , Yuan-Pao Yang , Taewook Youn

The Mu2e experiment will search for the neutrino-less conversion of a muon into an electron in the field of an aluminum nucleus. An observation would be the first signal of charged lepton flavor violation and de facto evidence for new…

High Energy Physics - Experiment · Physics 2020-07-15 Manolis Kargiantoulakis

We briefly overview some theoretical aspects of charged lepton flavour violation in rare muon transitions and decays. Relying on the effective field theory approach (model-independent), we discuss the probing power of charged lepton flavour…

High Energy Physics - Phenomenology · Physics 2023-12-19 Ana M. Teixeira

Motivated from the recent results of neutrino oscillation experiment, we investigated lepton flavor violating (LFV) processes in a SU(5) supersymmetric grand unified theory with right-handed neutrino. The current experimental upper bound…

High Energy Physics - Phenomenology · Physics 2009-11-07 Seungwon Baek , Toru Goto , Yasuhiro Okada , Ken-ichi Okumura

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

The study for lepton flavor violation combined with the neutrino oscillation may provide more information about the lepton flavor structure of the grand unified theory. In this paper, we study two lepton flavor violation processes, $\tau\to…

High Energy Physics - Phenomenology · Physics 2009-10-31 Xiao-Jun Bi , Yuan-Ben Dai , Xiao-Yuan Qi

We consider a class of models predicting new heavy neutral fermionic states, whose mixing with the light neutrinos can be naturally significant and produce observable effects below the threshold for their production. We update the indirect…

High Energy Physics - Phenomenology · Physics 2016-09-01 D. Tommasini , G. Barenboim , G. Bernabeu , C. Jarlskog

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 lepton flavor violation decays of vector mesons in the scenario of the unparticle physics by considering the constraint from $\mu-e$ conversion. In unparticle physics, the predictions of LFV decays of vector mesons depend…

High Energy Physics - Phenomenology · Physics 2013-12-10 Ke-Sheng Sun , Tai-Fu Feng , Li-Na Kou , Fei Sun , Tie-Jun Gao , Hai-Bin Zhang

We calculate the rates for the charged lepton flavour violating (LFV) decays l_i -> l_j gamma, tau -> l pi, 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 conversion…

High Energy Physics - Phenomenology · Physics 2014-11-21 Andrzej J. Buras , Björn Duling , Thorsten Feldmann , Tillmann Heidsieck , Christoph Promberger

Supersymmetry with R-parity violation (RPV) provides an interesting framework for naturally accommodating small neutrino masses. Within this framework, we discuss the lepton-flavour violating (LFV) processes mu -> e gamma, mu -> eee, and mu…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. de Gouvea , S. Lola , K. Tobe

Recent Kaon decay studies seeking lepton-flavor violating (LFV) new-physics effects are briefly discussed. The main focus is set on precise measurements of rare or not-so-rare decays aiming at finding evidence of deviations from the SM…

High Energy Physics - Experiment · Physics 2009-06-02 T. Spadaro

Within the Standard Model Effective Field Theory framework, with operators up to dimension 6, we perform a model-independent analysis of the lepton-flavour-violating processes involving tau leptons. Namely, we study hadronic tau decays and…

High Energy Physics - Phenomenology · Physics 2021-01-01 Tomáš Husek , Kevin Monsálvez-Pozo , Jorge Portolés

We explore the potential of the Mu2e experiment to probe the lepton-flavor-violating process $\mu^- e^- \to e^- e^-$ in a muonic atom within a simplified axion-like particle (ALP) framework featuring flavor-violating $e$-$\mu$ couplings and…

High Energy Physics - Phenomenology · Physics 2026-04-10 Girish Kumar , Alexey A. Petrov

Dark particles with lepton-flavor-violating couplings to the tau lepton can induce rare neutrinoless $\tau$ decays with large final state multiplicities. We study models where transitions of the type $\tau^\pm\to \ell^\pm\,\phi$, with…

High Energy Physics - Phenomenology · Physics 2026-04-03 Yohei Ema , Patrick J. Fox , Matheus Hostert , Tony Menzo , Maxim Pospelov , Anupam Ray , Jure Zupan

A discrepancy between the experimental and theoretical results was reported for the anomalous magnetic moment of the muon. In leptogenesis scenarios which are due to a decay of right-handed neutrinos, this anomaly leads to large violations…

High Energy Physics - Phenomenology · Physics 2008-05-08 Motoi Endo , Tetsuo Shindou

We study lepton flavor violation (LFV) in tau decays induced by heavy Majorana neutrinos within two models: (I) the Standard Model with additional right-handed heavy Majorana neutrinos, i.e., a typical seesaw-type model; (II) the Standard…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. Cvetic , C. Dib , C. S. Kim , J. D. Kim

We analyze in detail lepton-flavor violation (LFV) in the charged-lepton sector such as $\mu \to e \gamma$, $\tau \to \mu \gamma$, $\mu \to eee$ and the $\mu \to e$ conversion in nuclei, within the framework of supersymmetric models with…

High Energy Physics - Phenomenology · Physics 2009-10-31 Joe Sato , Kazuhiro Tobe

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 study the effect of non-universal extra dimensions on the branching ratios of the lepton flavor violating processes \mu\to e\gamma and \tau\to \mu\gamma in the general two Higgs doublet model. We observe that these effects are small for…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. O. Iltan