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Related papers: Supersymmetric Lepton Flavour Violation

200 papers

Neutrino masses provide evidence of lepton flavour violation, but no violation in the interactions among the charged leptons has been observed yet. Many models of Physics Beyond the Standard Model (BSM) predict Charged Lepton Flavour…

High Energy Physics - Phenomenology · Physics 2023-09-15 Marco Ardu , Gianantonio Pezzullo

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

With the improvement of muon acceleration technology, it has received great interest to exploit high-energy muon beams for collision or target experiments. We investigate possible charged Lepton Flavor Violation (cLFV) processes mediated by…

High Energy Physics - Experiment · Physics 2024-10-29 Ran Ding , Jingshu Li , Meng Lu , Zhengyun You , Zijian Wang , Qiang Li

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

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

Lepton flavor violation at linear collider experiments is discussed. We show that detectable lepton flavor violation could occur through scalar lepton pair production and decay in the supersymmetric SU(5) grand unified theory in spite of…

High Energy Physics - Phenomenology · Physics 2009-10-30 Masahide Hirouchi , Minoru Tanaka

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

Lepton flavour violation has been proposed as a significant test of supersymmetric unification. Here we show that such signals are also a generic feature of supersymmetric string unified models in which there is no simple unified gauge…

High Energy Physics - Phenomenology · Physics 2016-08-25 S. F. King , M. Oliveira

We discuss charged lepton flavor violation in supersymmetric models with extended leptonic sectors at low energies. Contrary to the usual high-scale realizations of the seesaw mechanism, these non-minimal supersymmetric models have new…

High Energy Physics - Phenomenology · Physics 2015-06-17 A. Vicente

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

We search for lepton flavour violating events (e mu, e tau and mu tau) that could be directly produced in e+e- annihilations, using the full available data sample collected with the OPAL detector at centre-of-mass energies between 189 GeV…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration , G. Abbiendi

We analyze the prospects of observing lepton flavour violation in future e-e- and e+e- linear colliders in scenarios where the gravitino is the lightest supersymmetric particle, and the stau is the next-to-lightest supersymmetric particle.…

High Energy Physics - Phenomenology · Physics 2010-02-03 Alejandro Ibarra , Sourov Roy

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

We analyze in detail lepton-flavor violation (LFV) in the charged-lepton sector such as $\mu \to e \gamma$, $\tau \to \mu \gamma$, $\mu \to eee$ and the $\mu \to e$ conversion in nuclei, within the framework of supersymmetric models with…

High Energy Physics - Phenomenology · Physics 2009-10-31 Joe Sato , Kazuhiro Tobe

Considering the constraints from the experimental data on $\mu\rightarrow e\gamma$, $\mu\rightarrow3e$, $\mu-e$ conversion etc., we analyze the Lepton Flavor Violating decays $\phi(J/\Psi,\Upsilon(1S)) \rightarrow e^+\mu^-(\mu^+\tau^-)$ in…

High Energy Physics - Phenomenology · Physics 2015-06-11 Ke-Sheng Sun , Tai-Fu Feng , Tie-Jun Gao , Shu-Min Zhao

We study a new signature of lepton flavor violation (LFV) at the Photon Collider (PC) within Supersymmetric (SUSY) theories. We consider the minimal supersymmetric standard model within a large $\tan\beta$ scenario with all superpartner…

High Energy Physics - Phenomenology · Physics 2010-04-21 M. Cannoni , O. Panella

Lepton flavor violating (LFV) process $e^+ e^- \to e^+ \tau^-$ induced by the four-Fermi contact interactions at the International Linear Collider (ILC) is studied. Taking account of the event selection conditions, it is shown that the ILC…

High Energy Physics - Phenomenology · Physics 2018-12-27 Gi-Chol Cho , Yuka Fukuda , Takanori Kono

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

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

We study whether the individual violation of the lepton numbers L_{e,mu,tau} in the charged sector can lead to measurable rates for BR(mu->e gamma) and BR(tau->mu gamma). We consider three different scenarios, the fist one corresponds to…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. E. Gomez , D. F. Carvalho