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Related papers: Charged Lepton Flavor-violating Transitions in Col…

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We explore realizations of minimal flavor violation (MFV) for leptons in the simplest seesaw models where the neutrino mass generation mechanism is driven by new fermion singlets (type I) or triplets (type III) and by a scalar triplet (type…

High Energy Physics - Phenomenology · Physics 2015-07-10 Xiao-Gang He , Chao-Jung Lee , Jusak Tandean , Ya-Juan Zheng

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

Flavor physics has been crucial in the development of particle physics and it will keep being so in the future. Nowadays, this kind of processes, in particular lepton flavor changing observed in neutrino oscillations, give us the clearest…

High Energy Physics - Phenomenology · Physics 2017-10-24 X. Marcano

We analyze neutrino masses and Lepton Flavor Violation (LFV) in charged leptons with a minimal ansatz about the breaking of the U(3)^5 flavor symmetry, consistent with the U(2)^3 breaking pattern of quark Yukawa couplings, in the context of…

High Energy Physics - Phenomenology · Physics 2015-06-04 Gianluca Blankenburg , Gino Isidori , Joel Jones-Perez

Charged Lepton Flavor Violation (cLFV) processes like $ \mu \rightarrow e \gamma $ are rare decay processes, that are another signature of physics beyond Standard Model (BSM). These processes have been studied in various models, that could…

High Energy Physics - Phenomenology · Physics 2015-12-03 Kalpana Bora , Gayatri Ghosh

In neutrino physics, a class of models with local or global family symmetries may be invoked, and then a flavon field is needed to realize the full neutrino mixing. This flavon may shed light on the long-standing muon $g-2$ puzzle. In this…

High Energy Physics - Phenomenology · Physics 2025-04-17 Shuyang Han , Zhaofeng Kang

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

We study the lepton flavor violating process, $e+ T \to \tau +T'$, at a few GeV. This process can be studied by experiments directing GeV scale electron or positron beams on internal or fixed targets. We study the effects of some low energy…

High Energy Physics - Phenomenology · Physics 2016-02-03 Wei Liao , Xiao-Hong Wu

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

Lepton flavor violation (LFV), observed conclusively in neutrino oscillations, remains a pivotal area of investigation due to its absence in the Standard Model (SM). Beyond the Standard Model (BSM) physics explores charged lepton flavor…

High Energy Physics - Phenomenology · Physics 2024-10-29 Jia Liu , Muyuan Song , Haohao Zhang

This reports summarizes the activities of the Charged Lepton Flavor Violation group of the 2022 Community Summer Study. Charged lepton flavor violating reactions provide unique information on the scale and dynamics of flavor generation, and…

High Energy Physics - Experiment · Physics 2022-09-02 Sacha Davidson , Bertrand Echenard , Robert H. Bernstein , Julian Heeck , David G. Hitlin

We investigate the flavor violation (FV) of Z decays to leptons at tree level and flavor conserving Z decays to leptons in the frame work of the flipped $ SU(3)_C\otimes SU(3)_L \otimes U(1)_X\otimes U(1)_N$,(F3311) model. In addition, we…

High Energy Physics - Phenomenology · Physics 2025-12-03 D. T. Huong , V. H. Binh , N. T. Huong , H. T. Hung , Duong Van Loi , D. T. Binh

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

We investigate Lepton-Flavor Violating (LFV) decays of Higgs to muon-tau in the supersymmetric economical 3-3-1 (SUSYE331) model. In the presence of flavor mixing in sleptons {mu,tau} and large values of v/v', the ratio of Br(H…

High Energy Physics - Phenomenology · Physics 2012-07-11 P. T. Giang , L. T. Hue , D. T. Huong , H. N. Long

New physics at the weak scale that can couple to quarks typically gives rise to unacceptably large flavor changing neutral currents. An attractive way to avoid this problem is to impose the principal of minimal flavor violation (MFV).…

High Energy Physics - Phenomenology · Physics 2008-11-26 Moira I. Gresham , Mark B. Wise

The fundamental description of nature, beyond the Standard Model (SM), may include heavy neutrinos that mix and thus allow processes in which lepton flavor is not preserved. We investigate the impact of charged currents that couple heavy…

High Energy Physics - Phenomenology · Physics 2018-07-24 H. Novales-Sánchez , M. Salinas , J. J. Toscano

We discuss lepton flavor violation (LFV) associated with tau leptons in the general 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 2007-05-23 Shinya Kanemura , Toshihiko Ota , Koji Tsumura

Many models, such as topcolor-assisted technicolor (TC2) models and flavor-universal TC2 models, predict the existence of extra U(1) gauge bosons $Z^{\prime}$, which couple preferentially to the third generation. The lepton flavor violating…

High Energy Physics - Phenomenology · Physics 2007-05-23 Chongxing Yue , Yanming Zhang , Hong Li

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

A review of the experimental status in searches for charged Lepton Flavor Violation (LFV) is presented. Searches for LFV in decays of leptons, heavy mesons, and bosons are explored, with an emphasis on the experiments providing the best…

High Energy Physics - Experiment · Physics 2022-08-05 Michel Hernández Villanueva