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Related papers: Charged Lepton Flavor Violating Experiments with M…

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Koike et al. proposed the charged lepton flavor violation (CLFV) decay of the muonic atom $\mu^-e^-\rightarrow e^-e^-$ as one of the promising processes to search for new physics beyond the standard model. It was found that the attractive…

High Energy Physics - Phenomenology · Physics 2015-08-25 Yuichi Uesaka , Yoshitaka Kuno , Joe Sato , Toru Sato , Masato Yamanaka

Within the Standard Model, in spite of neutrino oscillations, the flavor of charged leptons is conserved in very good approximation, and therefore charged Lepton Flavor Violation is expected to be unobservable. On the other hand, most new…

High Energy Physics - Experiment · Physics 2014-10-20 Francesco Renga

Charged lepton flavor violation (CLFV) represents a clear new physics (NP) signal beyond the standard model (SM). In this work, we investigate the CLFV decays of vector mesons $V\rightarrow l_i^{\pm}l_j^{\mp}$ with $V\in\{\phi, J/\Psi,…

High Energy Physics - Phenomenology · Physics 2024-02-20 Xing-Xing Dong , Shu-Min Zhao , Jia-Peng Huo , Tong-Tong Wang , Yi-Tong Wang , Tai-Fu Feng

The Mu2e experiment at Fermilab will search for the charged lepton flavor violating process of neutrino-less $\mu \to e$ coherent conversion in the field of an aluminum nucleus. About $7 \cdot 10^{17}$ muons, provided by a dedicated muon…

High Energy Physics - Experiment · Physics 2017-05-22 G. Pezzullo

While charged lepton flavor violation (cLFV) with taus is often expected to be largest in many extensions of the Standard Model (SM), it is currently much less constrained than cLFV with electrons and muons. We study the sensitivity of the…

High Energy Physics - Phenomenology · Physics 2020-09-23 Stefan Antusch , A. Hammad , Ahmed Rashed

Mu3e is an experiment currently under construction at the Paul Scherrer Institute in Switzerland, designed to search for the Lepton Flavor Violating (LFV) decay $\mu^+ \rightarrow e^+e^-e^+$. In extensions of the Standard Model (SM) that…

High Energy Physics - Experiment · Physics 2025-01-27 Robert Mihai Amarinei

We investigate the Lepton Flavor Violating (LFV) process $e^{+}e^{-}\to e^{+}e^{-}e\mu$ ($e=e^-,\,e^+,\,\mu=\mu^-,\,\mu^+ $) at future circular colliders, probing the effective $\gamma\gamma e\mu$ interaction through photon fusion. Within…

High Energy Physics - Phenomenology · Physics 2026-01-21 M. A. Arroyo-Ureña , R. Gaitán , Marcela Marín , Humberto Salazar , M. G. Villanueva-Utrilla

We assess the status of past and future experiments on lepton flavor violating (LFV) muon and tau decays into a light, invisible, axion-like particle (ALP), $a$. We propose a new experimental setup for MEG II, the MEGII-fwd, with a forward…

High Energy Physics - Phenomenology · Physics 2022-04-18 Lorenzo Calibbi , Diego Redigolo , Robert Ziegler , Jure Zupan

The MEG Experiment searches for a lepton flavour violating decay, $\mu^+\to\mathrm{e}^+\gamma $, with a branching-ratio sensitivity of $10^{-13}$ in order to explore the parameter region predicted by many theoretical models beyond the…

High Energy Physics - Experiment · Physics 2009-05-14 Hajime Nishiguchi

Interest in searches for Charged Lepton Flavor Violation (CLFV) has continued in the past few decades since the observation of CLFV will indicate new physics beyond the Standard Model (BSM). As several future lepton colliders with high…

High Energy Physics - Phenomenology · Physics 2024-06-04 Xunye Cai , Jingshu Li , Ran Ding , Meng Lu , Zhengyun You , Qiang Li

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

The Mu2e experiment at Fermilab looks for Charged Lepton Flavor Violation (CLFV) improving by 4 orders of magnitude the current experimental sensitivity for the muon to electron conversion in a muonic atom. A positive signal could not be…

The search for charged lepton flavour violation (CLFV) has enormous discovery potential in probing new physics Beyond the Standard Model (BSM). Among the muonic CLFV processes, $\mu \to e$ conversion is one of the most important processes,…

We study the sensitivity of the existing MEG data to lepton flavor violating axion-like particles produced through $\mu^+ \to e^+ a \gamma$ and estimate the discovery potential for the upcoming MEG II experiment in this channel. The MEG II…

High Energy Physics - Phenomenology · Physics 2022-10-26 Yongsoo Jho , Simon Knapen , Diego Redigolo

The observation of lepton flavor violation indicates new physics beyond the Standard Model. Lepton colliders are ideal facilities to probe charged lepton flavor violation (CLFV) signals induced by new physics at high energy. In this work we…

High Energy Physics - Phenomenology · Physics 2019-04-03 Tong Li , Michael A. Schmidt

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

Flavor violating processes in the lepton sector have highly suppressed branching ratios in the standard model. Thus, observation of lepton flavor violation (LFV) constitutes a clear indication of physics beyond the standard model (BSM). We…

High Energy Physics - Phenomenology · Physics 2022-03-09 Alexey A. Petrov , Renae Conlin , Cody Grant

We extend the effective theory of Minimal Lepton Flavor Violation (MLFV) by including four-lepton operators. We compute the rates for mu -> 3 e and tau -> 3 ell decays and point out several new ways to test the hypothesis of MLFV. We also…

High Energy Physics - Phenomenology · Physics 2009-08-05 Vincenzo Cirigliano , Benjamin Grinstein

Charged lepton flavor violation (CLFV) represents a clear new physics (NP) signal beyond the standard model (SM). In this work, we investigate CLFV processes $l_j^-\rightarrow l_i^- \gamma$ utilizing mass insertion approximation(MIA) in the…

High Energy Physics - Phenomenology · Physics 2024-03-01 Xing-Xing Dong , Shu-Min Zhao , Jia-Peng Huo , Tong-Tong Wang , Tai-Fu Feng

We briefly overview some theoretical aspects of charged lepton flavour violation in rare muon transitions and decays. Relying on the effective field theory approach (model-independent), we discuss the probing power of charged lepton flavour…

High Energy Physics - Phenomenology · Physics 2023-12-19 Ana M. Teixeira