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Related papers: Lepton Flavour Violating Z Decays in the MSSM

200 papers

We investigate the muon anomalous magnetic dipole moment (MDM), the muon electric dipole moment (EDM) and the lepton-flavour-violating decays of the $\tau-$lepton, $\tau \to \mu \gamma$ and $\tau\to 3\mu$, in the CP-violating Minimal…

High Energy Physics - Phenomenology · Physics 2009-11-10 Tai-Fu Feng , Tao Huang , Xue-Qian Li , Xin-Min Zhang , Shu-Min Zhao

We present an update of previous work on charged lepton flavor violation (LFV) in the seesaw model. The most recent neutrino data fits and post WMAP mSUGRA benchmark scenarios are used as input. In this framework we compare the sensitivity…

High Energy Physics - Phenomenology · Physics 2015-06-25 F. Deppisch , H. Päs , A. Redelbach , R. Rückl

We derive new constraints on the quantities delta_{XY}^{ij}, X,Y=L,R, which parametrise the flavour-off-diagonal terms of the charged slepton mass matrix in the MSSM. Considering mass and anomalous magnetic moment of the electron we obtain…

High Energy Physics - Phenomenology · Physics 2015-03-13 Jennifer Girrbach , Susanne Mertens , Ulrich Nierste , Soren Wiesenfeldt

This article reviews the current theoretical and experimental status of the field of muon decay and its potential to search for new physics beyond the Standard Model. The importance of rare muon processes with lepton flavor violation is…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yoshitaka Kuno , Yasuhiro Okada

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

We explore constraints on the parameter space of the alternative left-right model originating from the leptonic sector. Our analyses focuses on both lepton-flavour-conserving observables, particularly the anomalous magnetic moment of the…

High Energy Physics - Phenomenology · Physics 2025-05-13 Mariana Frank , Benjamin Fuks , Sumit K. Garg , Chayan Majumdar , Poulose Poulose , Supriya Senapati

$U(1)_X$SSM is the extension of the minimal supersymmetric standard model(MSSM) and its local gauge group is $SU(3)_C\times SU(2)_L \times U(1)_Y \times U(1)_X$. To obtain this model, three singlet new Higgs superfields and right-handed…

High Energy Physics - Phenomenology · Physics 2022-05-11 Tong-Tong Wang , Shu-Min Zhao , Xing-Xing Dong , Lu-Hao Su , Ze-Ning Zhang , Wei Li , Tai-Fu Feng

Since the discovery of neutrino oscillations it is known that lepton flavour is not conserved. Lepton flavour violating processes in the charged lepton sector have so far however eluded detection; as they are heavily suppressed in the…

High Energy Physics - Experiment · Physics 2013-02-11 Niklaus Berger

We study the effect of SUSY phases on rare decays of leptons and on their magnetic and electric dipole moments. We consider the most general mass matrices for sleptons within the MSSM including left--right mixing, flavour mixing and complex…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Bartl , W. Majerotto , W. Porod , D. Wyler

Charged lepton flavor violating processes are forbidden in the standard model (SM), hence the observation of charged lepton flavor transitions would represent a clear signal of new physics beyond the standard Model. In this work, we…

High Energy Physics - Phenomenology · Physics 2019-01-07 Jin-Lei Yang , Tai-Fu Feng , Yu-Li Yan , Wei Li , Shu-Min Zhao , Hai-Bin Zhang

Here I review the status and prospects of experimental investigations into lepton flavor violation (LFV) in charged leptons. Rare LFV processes are naturally expected to occur through loops of TeV scale particles predicted by supersymmetric…

High Energy Physics - Experiment · Physics 2008-11-26 Toshinori Mori

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

Now the bounds on the lepton-flavor violating (LFV) decay modes of tau lepton are being improved by the Belle experiment in the KEK B factory. In this paper the LFV decay of tau lepton is discussed in the supersymmetric seesaw model, using…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Hisano

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

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

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

In this review we discuss physics of the lepton sector, the anomalous dipole moment of muon, the charged lepton-flavor violation, and the electric dipole moments of charged leptons, from viewpoints of the minimal supersymmetric standard…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. Hisano

We present the first complete calculation of flavour violating lepton decays taking into account all supersymmetric (SUSY) and non-SUSY contributions in the context of the supersymmetric inverse seesaw, a specific SUSY low-scale seesaw…

High Energy Physics - Phenomenology · Physics 2014-10-24 C. Weiland

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

The MEG Experiment searches for a lepton flavour violating decay, $\mu^+\to\mathrm{e}^+\gamma $, with a branching-ratio sensitivity of $10^{-13}$ in order to explore the parameter region predicted by many theoretical models beyond the…

High Energy Physics - Experiment · Physics 2009-05-14 Hajime Nishiguchi