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Related papers: Lepton Flavor Violation without Supersymmetry

200 papers

We calculate the possible CP violating asymmetries for LFV decays mu -> e gamma and tau -> mu gamma. Our predictions depend on the chosen new model independent contribution. The result of measurements of such asymmetries for these decays…

High Energy Physics - Phenomenology · Physics 2014-11-17 E. O. Iltan

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

We study the lepton flavor violation in the supersymmetric seesaw model taking into account recent experimental improvements, especially for the Higgs boson mass measurement, direct searches of superpartners and the rare decay of B_s -> mu+…

High Energy Physics - Phenomenology · Physics 2015-03-05 Toru Goto , Yasuhiro Okada , Tetsuo Shindou , Minoru Tanaka , Ryoutaro Watanabe

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

We investigate the lepton flavor violation in the framework of the MSSM with right-handed neutrinos taking the large mixing angle MSW solution in the quasi-degenerate and the inverse-hierarchical neutrino masses. We predict the branching…

High Energy Physics - Phenomenology · Physics 2016-09-06 A. Kageyama , S. Kaneko , N. Shimoyama , M. Tanimoto

In this work the following lepton flavor violating $\tau$ and $\mu$ decays are studied: $\tau^- \to \mu^- \mu^- \mu^+$, $\tau^- \to e^- e^- e^+$, $\mu^- \to e^- e^- e^+$, $\tau^- \to \mu^- \gamma$, $\tau^- \to e^- \gamma$ and $\mu^- \to e^-…

High Energy Physics - Phenomenology · Physics 2009-11-11 E. Arganda , M. J. Herrero

In a supersymmetric extension of the standard model with local gauged baryon and lepton numbers (BLMSSM), there are new sources for lepton flavor violation, because the right-handed neutrinos and new gauginos are introduced. In BLMSSM, we…

High Energy Physics - Phenomenology · Physics 2015-12-23 Shu-Min Zhao , Tai-Fu Feng , Hai-Bin Zhang , Xi-Jie Zhan , Yin-Jie Zhang , Ben Yan

The sources of lepton flavour and lepton number violation in the left-right symmetric models are reviewed and the most sensitive processes to these violations are discussed. Both the non-SUSY and SUSY versions of the theories are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Martti Raidal

We investigate the lepton flavor violation (LFV) in the inert scalar model with higher representations. We generalize the inert doublet model with right handed neutrino by using higher scalar and fermion representation of $SU(2)_{L}$. As…

High Energy Physics - Phenomenology · Physics 2015-12-23 Talal Ahmed Chowdhury , Salah Nasri

Lepton flavor violation (LFV) offers a powerful probe of physics beyond the Standard Model, particularly in models addressing neutrino masses and the baryon asymmetry of the universe. In this study, we investigate LFV processes within the…

High Energy Physics - Phenomenology · Physics 2025-01-22 Chengcheng Han , Yijun Han , Sihui Huang , Zhanhong Lei

We study the lepton flavor violating (LFV) processes $l_{i}\longrightarrow l_{j}\nu_{l}\bar{\nu}_{l}$ in the context of the topcolor-assisted technicolor (TC2) models. We find that the branching ratios $B_{r}(\tau\longrightarrow…

High Energy Physics - Phenomenology · Physics 2009-11-10 Chongxing Yue , Lanjun Liu

We investigate the predictions for lepton flavour number violating processes in the context of a simple left-right symmetric theory. In this context neutrinos are Majorana fermions and their masses are generated at the quantum level through…

High Energy Physics - Phenomenology · Physics 2017-04-12 Pavel Fileviez Perez , Clara Murgui

The N-B-LSSM is an extension of the minimal supersymmetric standard model (MSSM) with the addition of three singlet new Higgs superfields and right-handed neutrinos, whose local gauge group is $SU(3)_C\times SU(2)_L\times U(1)_Y\times…

High Energy Physics - Phenomenology · Physics 2025-09-23 Rong-Zhi Sun , Shu-Min Zhao , Ming-Yue Liu , Xing-Yu Han , Song Gao , Xing-Xing Dong

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

We review Lepton Flavour Violation (LFV) in the supersymmetric version of the seesaw mechanism (type I, II, III) and in Left-Right models. The LFV needed to explain neutrino masses and mixings is the only source of LFV and has experimental…

High Energy Physics - Phenomenology · Physics 2011-05-30 Jorge C. Romao

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

Lepton flavor violation (LFV) represents a clear new physics (NP) signal beyond the standard model (SM). In this paper, we study LFV decays $Z\rightarrow l^{\pm}_{i}l^{\mp}_{j}$ in the B-L Supersymmetric Standard Model(B-LSSM). We calculate…

High Energy Physics - Phenomenology · Physics 2024-06-06 Jia-Peng Huo , Xing-Xing Dong , Jiao Ma , Shu-Min Zhao , Cai Guo , Hai-Bin Zhang , Jin-Lei Yang , Tai-Fu Feng

Models involving large extra spatial dimension(s) have interesting predictions on lepton flavor violating processes. We consider some 5D models which are related to neutrino mass generation or address the fermion masses hierarchy problem.…

High Energy Physics - Phenomenology · Physics 2011-07-19 We-Fu Chang , John N. Ng

We investigate the lepton flavor violation in the framework of the MSSM with right-handed neutrinos taking the large mixing angle MSW solution in the quasi-degenerate and the inverse-hierarchical neutrino masses. We predict the branching…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Kageyama , S. Kaneko , N. Shimoyama , M. Tanimoto

In the absence of a fundamental principle preventing charged lepton flavour violation, one expects that extensions of the Standard Model accommodating neutrino masses and mixings should also allow for charged lepton flavour violating…

High Energy Physics - Phenomenology · Physics 2015-06-03 A. Abada