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Related papers: Limits on Lepton Flavor Violation from \mu-e-conve…

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Results are presented from a search for charged-lepton flavor violating (CLFV) interactions in top quark production and decay in pp collisions at a center-of-mass energy of 13 TeV. The events are required to contain one oppositely charged…

High Energy Physics - Experiment · Physics 2022-06-22 CMS Collaboration

In the two Higgs doublet model type III and in several other extensions of the Standard Model, there are no discrete symmetries that suppress flavor changing couplings at tree level. The experimental observation of the nu_mu -- nu_tau…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ketevi A. Assamagan , Aldo Deandrea , Pierre-Antoine Delsart

We analyze in detail lepton-flavor violation (LFV) in the charged-lepton sector such as $\mu \to e \gamma$, $\tau \to \mu \gamma$, $\mu \to eee$ and the $\mu \to e$ conversion in nuclei, within the framework of supersymmetric models with…

High Energy Physics - Phenomenology · Physics 2009-10-31 Joe Sato , Kazuhiro Tobe

The accurate prediction of neutrino beam produced in muon decays and the absence of opposite helicity contamination for a particular neutrino flavour makes a future neutrino factory (NF) based on a muon storage ring (MSR), the ideal place…

High Energy Physics - Phenomenology · Physics 2009-11-07 Poonam Mehta , Sukanta Dutta , Ashok Goyal

In this paper, we initiate the study of lepton flavor violating (LFV) dark matter (DM) interactions, expanding our focus beyond the flavor-conserving DM interactions typically considered in conventional direct and indirect detections. We…

High Energy Physics - Phenomenology · Physics 2026-03-16 Sahabub Jahedi , Yi Liao , Xiao-Dong Ma

We examine lepton flavor violating (LFV) interactions for heavy right-handed neutrinos that exist in most of the standard model extensions that address dark matter (DM) and neutrino mass at the loop level. In order to probe the collider…

High Energy Physics - Phenomenology · Physics 2017-06-07 Meziane Chekkal , Amine Ahriche , Amine Bouziane Hammou , Salah Nasri

We revisit charged lepton flavour in-flight conversions, in which a beam of electrons or muons is directed onto a fixed target, $e + N \to \mu +N$, $e + N \to \tau +N$ and $\mu + N \to \tau +N$, focusing on elastic interactions with a…

High Energy Physics - Phenomenology · Physics 2017-06-07 A. Abada , V. De Romeri , J. Orloff , A. M. Teixeira

Compared to $\mu \to e \gamma$ and $\mu \to e e e$, the process $\mu \to e$ conversion in nuclei receives enhanced contributions from Higgs-induced lepton flavor violation. Upcoming $\mu \to e$ conversion experiments with drastically…

High Energy Physics - Phenomenology · Physics 2014-06-11 Andreas Crivellin , Martin Hoferichter , Massimiliano Procura

Flavor-changing signatures of Lorentz and CPT violation involving muon-electron conversions in muonic atoms are studied using effective field theory. Constraints on coefficients for Lorentz violation at parts in $10^{-12}$ GeV$^{-1}$ for…

High Energy Physics - Phenomenology · Physics 2025-01-13 Alan Kostelecky , W. P. McNulty , E. Passemar , N. Sherrill

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

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

In supersymmetric scenarios, the seesaw mechanism involving heavy right-handed neutrinos implies sizable lepton flavor violation (LFV) in the slepton sector. We discuss the potential of detecting LFV processes at the LHC in mSUGRA+seesaw…

High Energy Physics - Phenomenology · Physics 2007-10-15 Frank Deppisch

The $\mu\nu$SSM, one of supersymmetric extensions of the Standard Model, introduces three right-handed neutrino superfields to solve the $\mu$ problem and violates lepton number. Within framwork of the $\mu\nu$SSM, we investigate the lepton…

High Energy Physics - Phenomenology · Physics 2014-08-26 Hai-Bin Zhang , Tai-Fu Feng , Shu-Min Zhao , Fei Sun

We perform a detailed analysis of several mu-tau lepton flavour violating (LFV) processes, namely tau --> mu X (X = gamma, e+ e-, mu+ mu-, rho, pi, eta, eta'), Z --> mu tau and Higgs boson decays into mu tau. First we present a model…

High Energy Physics - Phenomenology · Physics 2010-04-06 Andrea Brignole , Anna Rossi

A search has been made for lepton-flavor-violating interactions, e+ p -> mu/tau X, at a center-of-mass energy of 300 GeV with an integrated luminosity of 47.7 pb^-1 using the ZEUS detector at HERA. No evidence was found for lepton-flavor…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

The observation of lepton flavour violation (LFV) in the charged lepton sector would be an unambiguous sign of physics beyond the Standard Model (BSM), and thus, it is the channel of choice for many BSM searches. LFV searches in muon decays…

High Energy Physics - Experiment · Physics 2023-08-23 Ann-Kathrin Perrevoort

A search for charged-lepton-flavour violating $\mu\tau qt$ ($q=u,c$) interactions is presented, considering both top-quark production and decay. The data analysed correspond to 140 $\textrm{fb}^{-1}$ of proton-proton collisions at a…

High Energy Physics - Experiment · Physics 2024-08-29 ATLAS Collaboration

Considering the constraints from the experimental data on $\mu\rightarrow e\gamma$, $\mu\rightarrow3e$, $\mu-e$ conversion etc., we analyze the Lepton Flavor Violating decays $\phi(J/\Psi,\Upsilon(1S)) \rightarrow e^+\mu^-(\mu^+\tau^-)$ in…

High Energy Physics - Phenomenology · Physics 2015-06-11 Ke-Sheng Sun , Tai-Fu Feng , Tie-Jun Gao , Shu-Min Zhao

In light of recent results from the LHC, MEG and neutrino experiments, we revisit the issue of charged lepton flavour violation (LFV) in supersymmetric theories with massive neutrinos, where flavour-violating soft supersymmetry-breaking…

High Energy Physics - Phenomenology · Physics 2013-10-31 Mirco Cannoni , John Ellis , Mario E. Gomez , Smaragda Lola

A lepton-flavor violating (LFV) Z' boson may mimic some of the phenomena usually attributed to supersymmetric theories. Using a conservative model of LFV Z' bosons, the recent BNL E821 muon g-2 deviation allows for a LFV Z' interpretation…

High Energy Physics - Phenomenology · Physics 2009-11-07 Brandon Murakami
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