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Related papers: Charged lepton flavour violation: precise backgrou…

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We discuss several manifestations of charged lepton flavour violation at high energies. Focusing on a supersymmetric type I seesaw, considering constrained and semi-constrained supersymmetry breaking scenarios, we analyse different…

High Energy Physics - Phenomenology · Physics 2015-03-03 A. M. Teixeira , A. Abada , A. J. R. Figueiredo , J. C. Romao

Charged-lepton flavor violation (cLFV) is one of the most powerful probes for New Physics (NP). Since lepton flavor conservation is an accidental symmetry in the Standard Model (SM), it is naturally violated in many NP models, with…

High Energy Physics - Experiment · Physics 2025-03-31 M. Aoki , A. M. Baldini , R. H. Bernstein , C. Carloganu , S. Mihara , S. Miscetti , T. Mori , W. Ootani , F. Renga , S. Ritt , A. Schoening

The observation of charged lepton flavor violation is a clear sign of physics beyond the Standard Model (SM). In this work, we investigate the sensitivity of future lepton colliders to charged lepton flavor violation via on-shell production…

High Energy Physics - Phenomenology · Physics 2020-03-05 Tong Li , Michael A. Schmidt

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

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 present an overview of recent work on flavour physics in the presence of a sequential fourth generation. We will discuss shortly the constraints on the new parameters and in the reminder present predictions for observables like Br(B_s ->…

High Energy Physics - Phenomenology · Physics 2010-12-07 Tillmann Heidsieck

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

Dedicated experiments searching for lepton flavour violation can be performed very sensitively using K-decays and $\mu$-decays as well as neutrinoless double $\beta$-decay and muonium to antimuonium conversion. Although there is no…

High Energy Physics - Experiment · Physics 2016-08-31 Klaus P. Jungmann

We explore the possibility of probing flavor violations in the charged-lepton sector by means of high-luminosity lepton-photon and electron-muon collisions, by inverting initial and final states in a variety of decay channels presently used…

High Energy Physics - Phenomenology · Physics 2021-09-30 Emidio Gabrielli , Barbara Mele , Roberto Onofrio

We identify new room for CP violation in lepton flavor violating observables not bound by the electric dipole moment of leptons. By focusing on new physics in the muon-electron sector, we show that CP violation can make its first appearance…

High Energy Physics - Phenomenology · Physics 2024-08-05 Diego Redigolo , Michele Tammaro , Andrea Tesi

We investigate the unique potential of a high-energy muon collider to probe lepton-flavor-violating signals arising from physics beyond the Standard Model (SM). Low-energy, precision searches for charged lepton-flavor violation (LFV) are…

High Energy Physics - Phenomenology · Physics 2026-01-28 Pouya Asadi , Hengameh Bagherian , Katherine Fraser , Samuel Homiller , Qianshu Lu

This talk discusses recent studies of (charged) lepton-flavor violation in physics beyond the standard model.

High Energy Physics - Phenomenology · Physics 2012-12-21 Junji Hisano

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

The experimental status of charged lepton flavor violation searches is briefly reviewed, with particular emphasis on the three classical searches involving muon transisions: $\mu \to e \gamma$, $\mu \to e$ conversion and $\mu \to 3e$.

High Energy Physics - Experiment · Physics 2013-08-01 Giovanni Signorelli

A review of the experimental status in searches for charged Lepton Flavor Violation (LFV) is presented. Searches for LFV in decays of leptons, heavy mesons, and bosons are explored, with an emphasis on the experiments providing the best…

High Energy Physics - Experiment · Physics 2022-08-05 Michel Hernández Villanueva

Flavour physics is a priceless window on physics beyond the Standard Model. In particular, flavour violation in the lepton sector looks very promising, as high precision measurements are prospected in future experiments investigating on…

High Energy Physics - Phenomenology · Physics 2013-11-19 R. Alonso , M. B. Gavela , D. Hernandez , L. Merlo , S. Rigolin

A mechanism has been suggested recently to generate the neutrino mass out of a dimension-seven operator. This is expected to relieve the tension between the occurrence of a tiny neutrino mass and the observability of other physics effects…

High Energy Physics - Phenomenology · Physics 2010-12-24 Yi Liao , Guo-Zhu Ning , Lu Ren

Lorentz- and CPT-violating effects initiating two-body electromagnetic flavor-changing decays of charged leptons are studied in the framework of Lorentz-violating effective field theory. An analysis of data from experiments at the Paul…

High Energy Physics - Phenomenology · Physics 2022-07-12 Alan Kostelecky , E. Passemar , N. Sherrill

The Mu2e experiment will search for the neutrino-less conversion of a muon into an electron in the field of an aluminum nucleus. An observation would be the first signal of charged lepton flavor violation and de facto evidence for new…

High Energy Physics - Experiment · Physics 2020-07-15 Manolis Kargiantoulakis