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Related papers: Lepton Flavor Violating Radiative Decays in EW-Sca…

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We perform the one-loop induced charged lepton flavor violating decays of the neutral Higgses in an extended mirror fermion model with non-sterile electroweak-scale right-handed neutrinos and a horizontal $A_4$ symmetry in the lepton…

High Energy Physics - Phenomenology · Physics 2016-08-03 Chia-Feng Chang , Chia-Hung Vincent Chang , Chrisna Setyo Nugroho , Tzu-Chiang Yuan

We study the radiative lepton flavor violating l_i -> l_j \gamma\gamma decays in the case that the lepton flavor violation is induced by the scalar unparticle mediation. We restrict the scaling dimension d_u and the scalar…

High Energy Physics - Phenomenology · Physics 2009-02-11 E. O. Iltan

We compute the electromagnetic form factors of the $l_i l_j \gamma$ vertex at one-loop level in the minimal G2HDM which has a sub-GeV vector dark matter candidate. The results are applied to the radiative decay rates for the charged lepton…

High Energy Physics - Phenomenology · Physics 2023-03-22 Van Que Tran , Tzu-Chiang Yuan

We study lepton flavor violating analogs of the photoelectric effect, with a final $\mu$ or $\tau$ instead of an electron: $\gamma e\to \mu$ and $\gamma e\to \tau$. On the basis of the general parametrization of the matrix element of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Edson Carquin , Yuri Ivanov , Sergey Kovalenko , Ivan Schmidt

Mirror Twin Higgs(MTH) models always contain heavy gauge bosons and extra Higgses. Besides, to accommodate tiny neutrino masses via seesaw mechanism, new heavy neutrinos can also be introduced in MTH extension models. Such new particles and…

High Energy Physics - Phenomenology · Physics 2025-12-18 Guo-Li Liu , Fei Wang , Wenyu Wang

We consider charged lepton flavor violating transitions mediated by the diphoton effective interactions $\ell_i\ell_j\gamma\gamma$ and explore which processes can probe them better. Our analysis includes single and double radiative decays,…

High Energy Physics - Phenomenology · Physics 2023-07-13 Fabiola Fortuna , Xabier Marcano , Marcela Marín , Pablo Roig

In this paper, we study the lepton flavor violating decays of the $l_j\rightarrow l_i \gamma\gamma$ (j=2, 3; i=1, 2) processes under the $U(1)_X$SSM. The $U(1)_X$SSM is the addition of three singlet new Higgs superfields and right-handed…

High Energy Physics - Phenomenology · Physics 2023-10-31 Ming-Yue Liu , Shu-Min Zhao , Yi-Tong Wang , Xi Wang , Xin-Xin Long , Tong-Tong Wang , Hai-Bin Zhang , Tai-Fu Feng

We study lepton flavor observables in the Standard Model (SM) extended with all dimension-$6$ operators which are invariant under the SM gauge group. We calculate the complete one-loop predictions to the radiative lepton decays $\mu\to…

High Energy Physics - Phenomenology · Physics 2015-06-18 Andreas Crivellin , Saereh Najjari , Janusz Rosiek

In supersymmetric extensions of the Standard Model, the Yukawa and/or mass terms of the heavy neutrinos can generate lepton flavour violating slepton mass terms. These new supersymmetric sources of lepton flavour violation may both enhance…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Deppisch , J. Kalinowski , H. Päs , A. Redelbach , R. Rückl

We study the lepton flavor violating decays such as $\mu\to e\gamma$, $\tau\to e\gamma$, $\tau\to \mu\gamma$ in the three-loop radiative seesaw model proposed by Krauss, Nasri, and Trodden. In this model, the relevant coupling constants are…

High Energy Physics - Phenomenology · Physics 2022-05-18 Osamu Seto , Tetsuo Shindou , Takanao Tsuyuki

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

We investigate charged lepton flavor violating processes $\mu\rightarrow e \gamma$, $\mu\rightarrow e e \overline{e}$ and $\mu-e$ conversion in nuclei for a class of three-loop radiative neutrino mass generation models with electroweak…

High Energy Physics - Phenomenology · Physics 2018-05-09 Talal Ahmed Chowdhury , Salah Nasri

We present our study of lepton flavour violating decays of a Higgs boson with properties compatible with those of the particle recently discovered at the LHC. We worked in the context of the inverse seesaw model, considering the most…

High Energy Physics - Phenomenology · Physics 2014-06-03 E. Arganda , M. J. Herrero , X. Marcano , C. Weiland

Recent results from Super Kamiokande suggest $\nu_\mu-\nu_\tau$ mixing and hence lepton flavor violation. In supersymmetric models, this flavor violation may have implications for the pattern of slepton masses and mixings. Possible signals…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Hinchliffe , F. E. Paige

Starting from the new sources of $LL$- and $LR$- scalar (slepton) mixings due to R-parity violation, we discuss the structure of lepton-flavor violation focusing on the radiative decay of muon into electron. Using an optimal…

High Energy Physics - Phenomenology · Physics 2009-11-07 Kingman Cheung , Otto C. W. Kong

In supersymmetric see-saw model, the large flavor mixings of sleptons induce the lepton flavor violating (LFV) interactions $\ell_I \bar\ell_J V$ ($V=\gamma, Z$), which give rise to various LFV processes. In this work we examine the induced…

High Energy Physics - Phenomenology · Physics 2009-11-10 Junjie Cao , Zhaohua Xiong , Jin Min Yang

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 study the radiative lepton flavor violating l_i -> l_j\gamma decays in the two Higgs doublet model, respecting the Randall Sundrum scenario and estimate the contributions of the KK modes of left (right) handed charged lepton doublets…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. O. Iltan

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 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
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