English
Related papers

Related papers: Introduction to Charged Lepton Flavour Violation

200 papers

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

We study the lepton flavor violating (LFV) processes mu -> e gamma, mu -> 3e, and mu -> e conversion in nuclei in the left-right symmetric model without supersymmetry and perform the first complete computation of the LFV branching ratios…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Cirigliano , A. Kurylov , M. J. Ramsey-Musolf , P. Vogel

Charged lepton flavor violation (cLFV) processes, potentially important for various Beyond the Standard Model Physics scenarios are analyzed in the Standard Model Effective Field Theory (SMEFT) framework. We consider the most relevant 2…

High Energy Physics - Phenomenology · Physics 2024-07-18 Md Isha Ali , Utpal Chattopadhyay , N Rajeev , Joydeep Roy

Searches for charged lepton flavor violation (CLFV) offer deep probes for a range of new physics scenarios, such as super-symmetric models, theories involving scalar leptoquarks or additional Higgs doublets, and models explaining the…

High Energy Physics - Experiment · Physics 2022-03-15 Sophie Middleton , MyeongJae Lee , Yoshihiro Seiya

The observation of lepton flavour violation (LFV) in interactions involving charged leptons would be an unambiguous sign of physics beyond the Standard Model of particle physics. Given that muons can be produced at high intensities,…

High Energy Physics - Experiment · Physics 2023-10-25 Ann-Kathrin Perrevoort

The neutrino oscillations imply that charged lepton flavor violation (CLFV) processes do exist. Even if the associated rates are in general expected very suppressed, it turns out that this is not always necessarily the case. In the…

High Energy Physics - Phenomenology · Physics 2013-12-19 Thomas Hambye

Lepton flavor violation (LFV) offers a powerful probe of physics beyond the Standard Model, particularly in models addressing neutrino masses and the baryon asymmetry of the universe. In this study, we investigate LFV processes within the…

High Energy Physics - Phenomenology · Physics 2025-01-22 Chengcheng Han , Yijun Han , Sihui Huang , Zhanhong Lei

In a supersymmetric extension of the Standard Model(SM) where baryon and lepton numbers are local gauge symmetries (BLMSSM), we investigate the charged lepton flavor violating (CLFV) processes $Z\rightarrow l_i^{\pm}l_j^{\mp}$ after…

High Energy Physics - Phenomenology · Physics 2017-06-15 Xing-Xing Dong , Shu-Min Zhao , Xi-Jie Zhan , Zhong-Jun Yang , Hai-Bin Zhang , Tai-Fu Feng

We consider charged Lepton Flavour Violation (LFV) in the Constrained Minimal Supersymmetric Standard Model, extended to include the see-saw mechanism with Constrained Sequential Dominance (CSD), where CSD provides a natural see-saw…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stefan Antusch , Steve F. King

In a supersymmetric extension of the standard model with local gauged baryon and lepton numbers (BLMSSM), there are new sources for lepton flavor violation, because the right-handed neutrinos and new gauginos are introduced. In BLMSSM, we…

High Energy Physics - Phenomenology · Physics 2015-12-23 Shu-Min Zhao , Tai-Fu Feng , Hai-Bin Zhang , Xi-Jie Zhan , Yin-Jie Zhang , Ben Yan

In the Standard Model (SM), charged lepton flavor-violating (LFV) processes are strictly forbidden, and thus observation of LFV would signal the presence of new physics. Recently, the Muon $g{-}2$ collaboration at Fermilab reported their…

High Energy Physics - Phenomenology · Physics 2025-09-25 Zhao-Yang Zhang

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

Within the extended BLMSSM, the exotic Higgs superfields $(\Phi_{NL},\varphi_{NL})$ are added to make the exotic leptons heavy, and the superfields ($Y$,$Y^\prime$) are also introduced to make exotic leptons unstable. This new model is…

High Energy Physics - Phenomenology · Physics 2019-01-15 Xing-Xing Dong , Shu-Min Zhao , Hai-Bin Zhang , Tai-Fu Feng

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

In supersymmetric models new sources of lepton flavour violation (LFV) may enhance the rates of charged lepton flavour violating processes, like mu to e gamma, and generate distinct final states at future colliders, e.g. tau mu + jets +…

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

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

Neutrino masses imply the violation of lepton flavour and new physics beyond the Standard Model. However, flavour change has only been observed in oscillations. In analogy with the quark sector, we could deduce the existence of a principle…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sacha Davidson , Federica Palorini

Searches for lepton flavor violation (LFV) stand at the forefront of experimental particle physics research, offering a sensitive probe to many scenarios of physics beyond the Standard Model. The high proton-proton collision energy and…

High Energy Physics - Experiment · Physics 2024-03-20 Jian Wang

A class of predictive SO(10) grand unified theories with highly asymmetric mass matrices, known as lopsided textures, has been developed to accommodate the observed mixing in the neutrino sector. The model class effectively determines the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Ernest Jankowski , David W. Maybury

We point out that extensions of the Standard Model with low scale (~TeV) lepton number violation (LNV) generally lead to a pattern of lepton flavor violation (LFV) experimentally distinguishable from the one implied by models with GUT scale…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Cirigliano , A. Kurylov , M. J. Ramsey-Musolf , P. Vogel