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Related papers: Charged lepton flavor violation in extended BLMSSM

200 papers

Lepton flavor violating (LFV) processes via four-Fermi contact interactions at future International Linear Collider (ILC) are studied. The effective Lagrangian is composed of six-operators, and the LFV effects on both $e^+ e^- \to e^+…

High Energy Physics - Phenomenology · Physics 2017-08-02 Gi-Chol Cho , Hanako Shimo

In models with extended Higgs sectors, Higgs-boson-mediated Lepton Flavour Violation (LFV) can naturally appear. We study the physics potential of an electron-photon collider %as an option of the International Linear Collider on searching…

High Energy Physics - Phenomenology · Physics 2009-07-30 Shinya Kanemura , Koji Tsumura

The neutrino experiment results suggest that the neutrinos have finite masses and the lepton-flavor symmetries are violating in nature. In the supersymmetric models, the charged lepton-flavor violating processes, such as mu -> e gamma and…

High Energy Physics - Phenomenology · Physics 2016-11-23 J. Hisano , D. Nomura

We consider supersymmetric (SUSY) models for the muon $g-2$ anomaly without flavor violating masses at the tree-level. The models can avoid LHC constraints and the vacuum stability constraint in the stau-Higgs potential. Although large…

High Energy Physics - Phenomenology · Physics 2022-05-20 Ryo Nagai , Norimi Yokozaki

This note reviews recent theoretical developments in the study of charged lepton flavour violation. The first part illustrates the status of precise next-to-leading order quantum electrodynamics calculations for the background of charged…

High Energy Physics - Phenomenology · Physics 2017-05-22 Giovanni Marco Pruna

We report on the status of charged lepton flavor violating (CLFV) experiments with muons. We focus on the three "golden channels": $\mu^{+} \rightarrow e^{+} \gamma$, $\mu^{+} \rightarrow e^{+} e^{-} e^{+}$ and $\mu^{-} N \rightarrow e^{-}…

High Energy Physics - Experiment · Physics 2025-05-09 Dylan Palo

We study extensions of the standard model by one generation of vector-like leptons with non-standard hypercharges, which allow for a sizable modification of the h -> gamma gamma decay rate for new lepton masses in the 300 GeV - 1 TeV range.…

High Energy Physics - Phenomenology · Physics 2022-12-09 Wolfgang Altmannshofer , Martin Bauer , Marcela Carena

We discuss a supersymmetric inverse seesaw model in which lepton flavour violating decays can be enhanced either by flavour violating slepton contributions or by the non-unitarity of the charged current mixing matrix. As an example we…

High Energy Physics - Phenomenology · Physics 2009-09-17 F. Deppisch , J. W. F. Valle

Supersymmetric theories with significant lepton flavor violation have $\tilde{e}$ and $\tilde{\mu}$ nearly degenerate. In this case, pair production of $\tilde{e}^+ \tilde{e}^-$ and $\tilde{\mu}^+ \tilde{\mu}^-$ at LEPII and at the Next…

High Energy Physics - Phenomenology · Physics 2009-10-28 N. Arkani-Hamed , H. -C. Cheng , J. L. Feng , L. J. Hall

We investigate the prospects for detection of lepton flavour violation in sparticle production and decays at a Linear Collider (LC), in models guided by neutrino oscillation data. We consider both slepton pair production and sleptons…

High Energy Physics - Phenomenology · Physics 2015-05-28 E. Carquin , J. Ellis , M. E. Gomez , S. Lola

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 comprehensively study the potential for discovering lepton flavor violation (LFV) phenomena associated with the $Z$ and Higgs bosons at the LHeC and FCC-he. Our meticulous investigation reveals the remarkable suitability of…

High Energy Physics - Phenomenology · Physics 2023-08-10 Adil Jueid , Jinheung Kim , Soojin Lee , Jeonghyeon Song , Daohan Wang

If sleptons are produced at LEP II or the Next Linear Collider, lepton flavor violation can be probed at a level significantly below the current bounds from rare processes, such as $\mu \to e\gamma$. Polarizable $e^-$ beams and the $e^-e^-$…

High Energy Physics - Phenomenology · Physics 2014-11-17 Jonathan L. Feng

Lepton flavor violating processes such as \mu \to 3e and \mu \to e \gamma are investigated with supersymmetric Higgs triplet pair \Delta and \bar \Delta in the light of neutrino masses and experimentally verifiable leptogenesis. The Higgs…

High Energy Physics - Phenomenology · Physics 2009-11-10 Masato Senami , Katsuji Yamamoto

Measurements of lepton flavor universality (LFU) and searches for charged lepton flavor violation (cLFV) are one of the most straightforward ways of searching for Beyond Standard Model (BSM) physics. The numerous production of top quark…

High Energy Physics - Experiment · Physics 2026-01-08 Normunds Ralfs Strautnieks

In spite of the large lepton flavour violation (LFV) observed in neutrino oscillations, within the Standard Model, we do \textit{not} expect any visible LFV in the charged lepton sector ($\mu \to e, \gamma$, $\tau \to \mu, \gamma$, etc.).…

High Energy Physics - Phenomenology · Physics 2008-11-26 Antonio Masiero , Sudhir K. Vempati , Oscar Vives

Neutrino flavour oscillations imply that there must be charged lepton flavour violation (CLFV) also. Different neutrino mass models predict different patterns of CLFV decays. Neutrino mass generation through standard see-saw mechanisms…

High Energy Physics - Phenomenology · Physics 2025-08-01 Pravesh Chndra Awasthi , Jai More , Akhila Kumar Pradhan , Kumar Rao , Purushottam Sahu , S. Uma Sankar

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 present a study of loop-level lepton flavor vioalting signals in models with heavy Majorana neutrinos and in the supersymmetric extension of the standard model. The attention is focused to the $e^- e^-$ option of the next generation of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mirco Cannoni , Orlando Panella , Stephan Kolb

Searches for rare processes such as mu --> e gamma put stringent limits on lepton flavour violation expected in many Beyond the Standard Model physics scenarios. This usually precludes the observation of flavour violation at high energy…

High Energy Physics - Phenomenology · Physics 2014-06-12 Frank F. Deppisch , Nishita Desai , Jose W. F. Valle