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Related papers: Muon-electron conversion in strange quark sea

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We analyze the lepton flavor violating process $\mu-e$ conversion in the framework of the minimal R-symmetric supersymmetric standard model. The theoretical predictions are determined by considering the experimental constraint on parameter…

High Energy Physics - Phenomenology · Physics 2020-09-02 Ke-Sheng Sun , Sheng-Kai Cui , Wei Li , Hai-Bin Zhang

$\mu-e$ conversion is the experimentally most interesting lepton flavor violating process. From a theoretical point of view it is an interesting interplay of particle and nuclear physics. The effective transition operator, depending on the…

Nuclear Theory · Physics 2011-07-19 T. S. Kosmas , J. D. Vergados

The flavour violating neutrinoless muon decays in the presence of nuclei, are discussed. We focus on the theoretical aspects of $\mu^-(A,Z)\to e^-(A,Z)^*$ (muon-to-electron conversion), one of the most prominent flavour changing reactions,…

Nuclear Theory · Physics 2011-04-15 T. S. Kosmas , J. D. Vergados , Amand Faessler

We study current experimental bounds on charged lepton flavor violating (CLFV) $\mu$-$e$ interactions in the model-independent framework of the Standard Model Effective Field Theory (SMEFT). Assuming a generic flavor structure in the quark…

High Energy Physics - Phenomenology · Physics 2025-12-03 Filippo Delzanno , Kaori Fuyuto , Sergi Gonzàlez-Solís , Emanuele Mereghetti

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

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

The lepton-flavor-violating conversion of a muon into an electron in the field of a nucleus is one of the most sensitive probes of physics beyond the Standard Model and the experiments Mu2e, COMET, and DeeMe will explore uncharted terrain…

High Energy Physics - Phenomenology · Physics 2022-05-18 Julian Heeck , Robert Szafron , Yuichi Uesaka

We study the Lepton Flavor Violating (LFV) $e(\mu)-\tau$ conversion in Deep Inelastic Scattering (DIS) of electron (muon) on fixed-target nuclei. Our model-independent analysis is based on the set of the low-energy effective four-fermion…

High Energy Physics - Phenomenology · Physics 2018-07-11 Sergei Gninenko , Sergey Kovalenko , Serguei Kuleshov , Valery E. Lyubovitskij , Alexey S. Zhevlakov

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, new gauginos and Higgs are introduced. We…

High Energy Physics - Phenomenology · Physics 2018-12-05 Tao Guo , Shu-Min Zhao , Xing-Xing Dong , Chun-Gui Duan , Tai-Fu Feng

Here I review the status and prospects of experimental investigations into lepton flavor violation (LFV) in charged leptons. Rare LFV processes are naturally expected to occur through loops of TeV scale particles predicted by supersymmetric…

High Energy Physics - Experiment · Physics 2008-11-26 Toshinori Mori

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

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

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

Using an effective lagrangian description we analyze possible new physics contributions to the most relevant muon number violating processes: $\mu \to e \gamma$ and $\mu$--$e$ conversion in nuclei. We identify a general class of models in…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. Raidal , A. Santamaria

We study a lepton flavor violating $\mu N \to \tau X$ reaction in deep inelastic scattering region in supersymmetric models. The contribution from the Higgs boson mediation could be important for this reaction. For that case, the cross…

High Energy Physics - Phenomenology · Physics 2009-11-10 Shinya Kanemura , Yoshitaka Kuno , Masahiro Kuze , Toshihiko Ota

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

Flavor-changing signatures of Lorentz and CPT violation involving muon-electron conversions in muonic atoms are studied using effective field theory. Constraints on coefficients for Lorentz violation at parts in $10^{-12}$ GeV$^{-1}$ for…

High Energy Physics - Phenomenology · Physics 2025-01-13 Alan Kostelecky , W. P. McNulty , E. Passemar , N. Sherrill

A lepton-flavor violating (LFV) Z' boson may mimic some of the phenomena usually attributed to supersymmetric theories. Using a conservative model of LFV Z' bosons, the recent BNL E821 muon g-2 deviation allows for a LFV Z' interpretation…

High Energy Physics - Phenomenology · Physics 2009-11-07 Brandon Murakami

We calculate the rates for the charged lepton flavour violating (LFV) decays l_i -> l_j gamma, tau -> l pi, tau -> l eta('), mu^- -> e^-e^+e^-, the six three-body leptonic decays tau^- -> l_i^- l_j^+ l_k^- and the rate for mu-e conversion…

High Energy Physics - Phenomenology · Physics 2014-11-21 Andrzej J. Buras , Björn Duling , Thorsten Feldmann , Tillmann Heidsieck , Christoph Promberger

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