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Related papers: Muon Decay and Physics Beyond the Standard Model

200 papers

Experimental searches for lepton-flavor-violating coherent muon-to-electron conversion in the field of a nucleus, have been proposed to reach the unprecedented sensitivity of 10^(-16) - 10^(-18) per stopped muon. At that level, they probe…

High Energy Physics - Phenomenology · Physics 2011-08-08 Andrzej Czarnecki , Xavier Garcia i Tormo , William J. Marciano

These proceedings review the status of New Physics contributions to flavour violating $B$ decays. The anomalies in charged and neutral current $B$ decays related to lepton flavour universality violation have received a substantial amount of…

High Energy Physics - Phenomenology · Physics 2022-09-21 Monika Blanke

Recent anomalies in the decays of $B$ mesons and the Higgs boson provide hints towards lepton flavor (universality) violating physics beyond the Standard Model. We observe that four-fermion operators which can explain the $B$-physics…

High Energy Physics - Phenomenology · Physics 2016-05-13 Andreas Crivellin , Giancarlo D'Ambrosio , Martin Hoferichter , Lewis C. Tunstall

I discuss charged lepton-flavor violation in physics beyond the standard model and review topics related to it.

High Energy Physics - Phenomenology · Physics 2009-09-29 Junji Hisano

The lepton number and flavor violations are important possible ingredients of the lepton physics. The neutrinoless double beta decay and the transition of the muonium into antimuonuim are related to those violations. The former can give us…

High Energy Physics - Phenomenology · Physics 2023-04-25 Takeshi Fukuyama , Yukihiro Mimura , Yuichi Uesaka

If observed, charged lepton flavour violation is a clear sign of new physics - beyond the Standard Model minimally extended to accommodate neutrino oscillation data. After a brief review of several charged lepton flavour violation…

High Energy Physics - Phenomenology · Physics 2016-12-20 Ana M. Teixeira

We study a new supersymmetric mechanism for lepton flavour violation in muon and tau decays and muon -> e conversion in nuclei, within a minimal extension of the MSSM with low-mass heavy singlet neutrinos and sneutrinos. We find that the…

High Energy Physics - Phenomenology · Physics 2015-05-13 Amon Ilakovac , Apostolos Pilaftsis

We review how the muon anomalous magnetic moment ($g-2$) and the quest for lepton flavor violation are intimately correlated. Indeed the decay $\mu \to e \gamma$ is induced by the same amplitude for different choices of in- and outgoing…

High Energy Physics - Phenomenology · Physics 2017-12-08 Manfred Lindner , Moritz Platscher , Farinaldo S. Queiroz

Motivated by flavour symmetry models, we construct theories based on a low-energy limit featuring lepton flavour triality that have the flavour-violating decays $\tau^\pm \to \mu^\pm \mu^\pm e^\mp$ and $\tau^\pm \to e^\pm e^\pm \mu^\mp$ as…

High Energy Physics - Phenomenology · Physics 2023-03-15 Innes Bigaran , Xiao-Gang He , Michael A. Schmidt , German Valencia , Raymond Volkas

An important prediction of the standard model is the universality of the gauge interactions of the three generation of charged leptons. Violation of this universality would be a clean evidence of new physics (NP) beyond the standard model.…

High Energy Physics - Phenomenology · Physics 2018-10-02 Alakabha Datta

The conservation of lepton flavor is a prediction of the Standard Model and is still an excellent approximate symmetry despite our observation of neutrino oscillations. Lepton flavor violation by one or two units have been discussed for…

High Energy Physics - Phenomenology · Physics 2025-09-30 Julian Heeck , Mikheil Sokhashvili , Anil Thapa

The neutrino experiment results suggest that the neutrinos have finite masses and the lepton-flavor symmetries are violating in nature. In the supersymmetric models, the charged lepton-flavor violating processes, such as mu -> e gamma and…

High Energy Physics - Phenomenology · Physics 2016-11-23 J. Hisano , D. Nomura

After a summary of the motivations for searching flavour violating decays and electric dipole moments in the leptonic sector, I briefly sketch the present status of the limits on lepton-slepton misalignement and discuss the potentialities…

High Energy Physics - Phenomenology · Physics 2007-05-23 Isabella Masina

We discuss the current status of lepton flavour universality observables in semileptonic charged and neutral current $B$ meson decays. We recapitulate the current experimental situation. Assuming the current tensions with the SM are of…

High Energy Physics - Phenomenology · Physics 2020-02-05 Nejc Košnik

The muon $g-2$ anomaly is a long-standing discrepancy from its standard model prediction. The recent improved measurement of the fine structure constant makes the electron $g-2$ anomaly very interesting for both sign and magnitude in…

High Energy Physics - Phenomenology · Physics 2019-02-13 Bhaskar Dutta , Yukihiro Mimura

This reports summarizes the activities of the Charged Lepton Flavor Violation group of the 2022 Community Summer Study. Charged lepton flavor violating reactions provide unique information on the scale and dynamics of flavor generation, and…

High Energy Physics - Experiment · Physics 2022-09-02 Sacha Davidson , Bertrand Echenard , Robert H. Bernstein , Julian Heeck , David G. Hitlin

Muon lepton flavor processes are reviewed in connection with search for physics beyond the standard model. Several methods to distinguish different theoretical models are discussed for $\mu \to e \gamma$, $\mu \to 3 e$, and $\mu - e$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yasuhiro Okada

Significant deviations from Standard Model (SM) predictions have been observed in $ b \to s \mu^+ \mu^-$ decays and in the muon $g-2$. Scalar leptoquark extensions of the SM are known to be able to address these anomalies, but generically…

High Energy Physics - Phenomenology · Physics 2021-10-15 Admir Greljo , Peter Stangl , Anders Eller Thomsen

We review the recent highlights of theoretical flavour physics, based on the theory summary talk given at FPCP2017. Over the past years, a number of intriguing anomalies have emerged in flavour violating $K$ and $B$ meson decays,…

High Energy Physics - Phenomenology · Physics 2017-08-31 Monika Blanke

The "precision" frontier, which is closely related to the "intensity" frontier, provides a complementary path to the discovery of physics beyond the Standard Model. Several examples of discoveries that would change our view of the physical…

High Energy Physics - Experiment · Physics 2009-10-29 B. Lee Roberts