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Related papers: Charged Lepton Flavor Violating Experiments with M…

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We propose the $\mu^-\to e^-\gamma$ process in a muonic atom as a novel means to investigate charged lepton flavor violation (CLFV). We demonstrate its sensitivity in probing effective CLFV operators associated with both single and double…

High Energy Physics - Phenomenology · Physics 2025-02-05 Yuichi Uesaka , Masato Yamanaka , Yoshitaka Kuno

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

Lepton Flavor Violating (LFV) processes are clear signals of physics beyond the Standard Model. We investigate the possibility of measuring this kind of processes at present and foreseeable future muon-electron colliders, taking into…

High Energy Physics - Phenomenology · Physics 2020-12-15 Fabio Bossi , Paolo Ciafaloni

The search for lepton flavour violation in charged lepton decays is highly sensitive to physics beyond the Standard Model. Among the possible processes, $\mu$-decays are considered to have the largest discovery potential in most of the…

High Energy Physics - Experiment · Physics 2019-06-26 Luca Galli

The Mu2e Experiment at Fermilab will search for coherent, neutrino-less conversion of negative muons into electrons in the field of an Aluminum nucleus, $\mu^- + Al \to e^- +Al$. Data collection start is planned for the end of 2021. The…

Lepton flavor violation (LFV) has been discovered in the neutrino sector by neutrino oscillation experiments. The minimally extended Standard Model (SM) to include neutrino masses allows LFV in the charged sector (CLFV) at the loop-level,…

High Energy Physics - Experiment · Physics 2022-04-12 MyeongJae Lee , Michael MacKenzie

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 explore the most general phenomenology of charged lepton flavor violating (CLFV) decays of muon and tau leptons to the three body final states $(\bar{e}ee, \bar{\mu}\mu\mu, \bar{e}\mu\mu, \bar{\mu}\mu e,\bar{\mu}ee, \bar{e}e\mu)$. By…

High Energy Physics - Phenomenology · Physics 2025-04-14 Spencer Chang , Thomas Driscoll

We explore the possibilities for extending the sensitivity of current searches for the charged lepton flavor violating decays $\mu\ -> e \gamma$ and $\mu\ -> eee$. A future facility such as Project X at Fermilab could provide a much more…

Instrumentation and Detectors · Physics 2013-10-01 Chih-hsiang. Cheng , Bertrand Echenard , David G. Hitlin

An observation of Charged Lepton Flavor Violation (CLFV) would be unambiguous evidence for physics beyond the Standard Model. The Mu2e and COMET experiments, under construction, are designed to push the sensitivity to CLFV in the mu to e…

High Energy Physics - Experiment · Physics 2022-03-17 K. Byrum , S. Corrodi , Y. Oksuzian , P. Winter , L. Xia , A. W. J. Edmonds , J. P. Miller , J. Mott , W. J. Marciano , R. Szafron , R. Bonventre , D. N. Brown , Yu. G. Kolomensky , O. Ning , V. Singh , E. Prebys , L. Borrel , B. Echenard , D. G. Hitlin , C. Hu , D. X. Lin , S. Middleton , F. C. Porter , L. Zhang , R. -Y. Zhu , D. Ambrose , K. Badgley , R. H. Bernstein , S. Boi , B. C. K. Casey , R. Culbertson , A. Gaponenko , H. D. Glass , D. Glenzinski , L. Goodenough , A. Hocker , M. Kargiantoulakis , V. Kashikhin , B. Kiburg , R. K. Kutschke , P. A. Murat , D. Neuffer , V. S. Pronskikh , D. Pushka , G. Rakness , T. Strauss , M. Yucel , C. Bloise , E. Diociaiuti , S. Giovannella , F. Happacher , S. Miscetti , I. Sarra , M. Martini , A. Ferrari , S. E. Müller , R. Rachamin , E. Barlas-Yucel , A. Artikov , N. Atanov , Yu. I. Davydov , V. Glagolev , I. I. Vasilyev , D. N. Brown , Y. Uesaka , S. P. Denisov , V. Evdokimov , A. V. Kozelov , A. V. Popov , I. A. Vasilyev , G. Tassielli , T. Teubner , R. T. Chislett , G. G. Hesketh , M. Lancaster , M. Campbell , K. Ciampa , K. Heller , B. Messerly , M. A. C. Cummings , L. Calibbi , G. C. Blazey , M. J. Syphers , V. Zutshi , C. Kampa , M. MacKenzie , S. Di Falco , S. Donati , A. Gioiosa , V. Giusti , L. Morescalchi , D. Pasciuto , E. Pedreschi , F. Spinella , M. T. Hedges , M. Jones , Z. Y. You , A. M. Zanetti , E. V. Valetov , E. C. Dukes , R. Ehrlich , R. C. Group , J. Heeck , P. Q. Hung , S. M. Demers , G. Pezzullo , K. R. Lynch , J. L. Popp

The Mu2e experiment will search for the charged-lepton flavor violating (CLFV) neutrino-less conversion of a negative muon into an electron in the field of a nucleus. The conversion process results in a monochromatic electron with an energy…

Instrumentation and Detectors · Physics 2019-02-01 R. H. Bernstein

The upcoming Mu3e experiment searches for the lepton flavour violating decay $\mu^+\,\rightarrow\,e^+ e^- e^+$ with the aim of a final sensitivity of one signal decay in $10^{16}$ observed muon decays, an improvement over the preceding…

Instrumentation and Detectors · Physics 2018-02-28 Ann-Kathrin Perrevoort

The Mu2e experiment will search for a Standard Model violating rate of neutrinoless conversion of a muon into an electron in the presence of an aluminum nucleus. Observation of this charged lepton flavor violating process would be an…

High Energy Physics - Experiment · Physics 2022-10-28 Michael Thomas Hedges

The search for lepton flavor violation (LFV) is a powerful probe to look for new physics beyond the Standard Model. We explored the possibility of searches for LFV $Z$ boson couplings to electron and muon pairs at the upcoming…

High Energy Physics - Phenomenology · Physics 2025-12-04 Anjan Kumar Barik , Atri Dey , Tousik Samui

Lepton flavor violation (LFV), observed conclusively in neutrino oscillations, remains a pivotal area of investigation due to its absence in the Standard Model (SM). Beyond the Standard Model (BSM) physics explores charged lepton flavor…

High Energy Physics - Phenomenology · Physics 2024-10-29 Jia Liu , Muyuan Song , Haohao Zhang

One of the three common experimental channels searching for charged lepton flavor violation (CLFV) via $\mu-e$ conversion involves first capturing the muon on a nuclear target. This channel provides a unique opportunity to constrain…

High Energy Physics - Phenomenology · Physics 2026-03-05 William P. McNulty

The new round of experiments, MEG II, COMET/Mu2e, and Mu3e, would soon start to push the $\mu \to e\gamma$, $\mu N \to eN$ conversion, and $\mu \to 3e$ frontier, while Belle II would probe $\tau \to \mu\gamma$ and $\tau \to 3\mu$. In the…

High Energy Physics - Phenomenology · Physics 2021-01-04 Wei-Shu Hou , Girish Kumar

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

The observation of any charged lepton flavor violation (CLFV) process would be a clear signal of new physics beyond the Standard Model. Various decay modes, including lepton ($\mu, \tau$) decays, pseudoscalar meson ($K,\pi$) decays, vector…

High Energy Physics - Experiment · Physics 2023-09-22 Jingshu Li , Zhengyun You

This document describes a search for charged-lepton flavor violation (CLFV) in the production and decay of top quarks using 138 fb$^{-1}$ of data collected by the CMS experiment at a center-of-mass energy of 13 TeV. Events are selected for…

High Energy Physics - Experiment · Physics 2023-12-12 Jingyan Li