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Related papers: SuperLFV: An SLHA tool for lepton flavor violating…

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A new process with the lepton flavor violation (LFV) is presented in the setup for LHC. The LFV is induced by the one-loop effect through Higgs bosons in the framework of the type-III two Higgs doublet model. It is demonstrated that the…

High Energy Physics - Phenomenology · Physics 2021-12-14 K. Asai , J. Fujimoto , K. Kaneta , Y. Kurihara , S. Tsuno

In the littlest Higgs model with T-parity, the new interactions between the mirror leptons and the Standard Model leptons can induce some lepton flavor violation (LFV) processes at loop level. We study the possibility of the ILC to probe…

High Energy Physics - Phenomenology · Physics 2011-06-24 Jin-zhong Han , Xue-lei Wang , Bing-fang Yang

We present two recent developments on lepton flavour violation in the MSSM. 1) The supersymmetric seesaw mechanism can be realized through the exchange of heavy SU(2)_W-triplet states, rather than `right-handed' neutrinos. In this scenario…

High Energy Physics - Phenomenology · Physics 2007-05-23 Anna Rossi

In light of the recent CMS analysis on lepton flavor violating (LFV) heavy Higgs searches and updated bounds on various search channels involving neutral and charged scalars, we provide the updated constraints on the Type-III…

High Energy Physics - Phenomenology · Physics 2020-03-25 R. Primulando , J. Julio , P. Uttayarat

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

The forthcoming precision data on lepton flavour violating decays require precise and efficient calculations in New Physics models. In this article lepton flavour violating processes within the Minimal Supersymmetric Standard Model (MSSM)…

High Energy Physics - Phenomenology · Physics 2018-07-04 Andreas Crivellin , Zofia Fabisiewicz , Weronika Materkowska , Ulrich Nierste , Stefan Pokorski , Janusz Rosiek

In this study, we investigate the lepton flavor violation (LFV) of Z gauge boson decaying into two different flavor charged leptons $Z\rightarrow l_i l_j$ ($Z\rightarrow \tau \mu$, $Z\rightarrow \tau e$ and $Z\rightarrow \mu e$). This work…

High Energy Physics - Phenomenology · Physics 2026-03-30 Vael Hajahmad , Murhaf Alsayed Ali

Recently, the CMS and ATLAS Collaborations have reported direct searches for the 125 GeV Higgs decay with lepton flavor violation, $h\rightarrow \mu \tau$. In this work, we analyze the signal of the lepton flavour violating (LFV) Higgs…

High Energy Physics - Phenomenology · Physics 2017-01-12 Hai-Bin Zhang , Tai-Fu Feng , Shu-Min Zhao , Yu-Li Yan , Fei Sun

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

Quark and lepton flavor signals are studied in four supersymmetric models, namely the minimal supergravity model, the minimal supersymmetric standard model with right-handed neutrinos, SU(5) supersymmetric grand unified theory with…

High Energy Physics - Phenomenology · Physics 2008-11-26 Toru Goto , Yasuhiro Okada , Tetsuo Shindou , Minoru Tanaka

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 estimate the rates of lepton flavor violating decays of the vector mesons $\rho, \omega, \phi \to e \mu$. The theoretical tools are based on an effective Lagrangian approach without referring to any specific realization of the physics…

High Energy Physics - Phenomenology · Physics 2010-04-21 Thomas Gutsche , Juan C. Helo , Sergey Kovalenko , Valery E. Lyubovitskij

We study lepton flavor violating signals at a future e+ e- linear collider within the general MSSM, allowing for the most general flavor structure. We demonstrate that there is a large region in parameter space with large signals, while…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. Porod , W. Majerotto

In the context of the future high energy - high luminosity electron and muon colliders, all the relevant four-lepton processes with the lepton family violation (LFV) are systematically classified. The most general LFV effective lagrangians…

High Energy Physics - Phenomenology · Physics 2011-09-13 V. V. Kabachenko , Yu. F. Pirogov

We explore the parameter space of lepton flavor violating (LFV) neutral Higgs Yukawa couplings with the muon and tau leptons that can be probed at the high-luminosity Large Hadron Collider (HL-LHC) via the vector boson fusion~(VBF) Higgs…

High Energy Physics - Phenomenology · Physics 2023-05-03 Rahool Kumar Barman , P. S. Bhupal Dev , Anil Thapa

Charged-lepton flavour-violating (cLFV) processes offer deep probes for new physics with discovery sensitivity to a broad array of new physics models - SUSY, Higgs Doublets, Extra Dimensions, and, particularly, models explaining the…

High Energy Physics - Experiment · Physics 2018-12-18 A. Baldini , D. Glenzinski , F Kapusta , Y. Kuno , M. Lancaster , J. Miller , S. Miscetti , T. Mori , A. Papa , A. Schoning , Y. Uchida

We consider an extension of the Standard Model with two singlet leptons, with masses in the electroweak range, that induce neutrino masses via the see-saw mechanism, plus a generic new physics sector at a higher scale, $\Lambda$. We apply…

High Energy Physics - Phenomenology · Physics 2020-07-15 Daniele Barducci , Enrico Bertuzzo , Andrea Caputo , Pilar Hernandez

We extend the effective theory of Minimal Lepton Flavor Violation (MLFV) by including four-lepton operators. We compute the rates for mu -> 3 e and tau -> 3 ell decays and point out several new ways to test the hypothesis of MLFV. We also…

High Energy Physics - Phenomenology · Physics 2009-08-05 Vincenzo Cirigliano , Benjamin Grinstein

With the improvement of muon acceleration technology, it has received great interest to exploit high-energy muon beams for collision or target experiments. We investigate possible charged Lepton Flavor Violation (cLFV) processes mediated by…

High Energy Physics - Experiment · Physics 2024-10-29 Ran Ding , Jingshu Li , Meng Lu , Zhengyun You , Zijian Wang , Qiang Li

FlexibleSUSY is a framework for the automated computation of physical quantities (observables) in models beyond the Standard Model (BSM). This paper describes an extension of FlexibleSUSY which allows to define and add new observables that…

High Energy Physics - Phenomenology · Physics 2024-02-23 Uladzimir Khasianevich , Wojciech Kotlarski , Dominik Stöckinger , Alexander Voigt
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