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Related papers: Charged Lepton Flavor Violation at the EIC

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Starting from a general effective Lagrangian for lepton flavor violation (LFV) in quark-lepton transitions, we derive constraints on the effective coefficients from the high-mass tails of the dilepton processes $pp \to \ell_k \ell_l$ (with…

High Energy Physics - Phenomenology · Physics 2020-08-26 Andrei Angelescu , Darius A. Faroughy , Olcyr Sumensari

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

These proceedings review the status of present and future bounds on muonic lepton flavour violating transitions in the context of an effective-field theory defined below the electroweak scale. A specific focus is set on the phenomenology of…

High Energy Physics - Phenomenology · Physics 2018-07-02 Giovanni Marco Pruna

We identify new room for CP violation in lepton flavor violating observables not bound by the electric dipole moment of leptons. By focusing on new physics in the muon-electron sector, we show that CP violation can make its first appearance…

High Energy Physics - Phenomenology · Physics 2024-08-05 Diego Redigolo , Michele Tammaro , Andrea Tesi

We review the influence of lepton flavour violation (LFV) on the production processes e+e- -> ~chi+_i ~chi-_j at the International Linear Collider (ILC) with longitudinal e+ and e- beam polarizations in the framework of the Minimal…

High Energy Physics - Phenomenology · Physics 2007-10-09 Karl Hohenwarter-Sodek , Thomas Kernreiter

In this paper, we present detailed studies on the feasibility at $pp$, $e^-p$ and $e^+e^-$ colliders for model-independent sensitivity estimates on the total cross-section and on the anomalous $\tau^+\tau^-\gamma$ interaction through the…

High Energy Physics - Phenomenology · Physics 2019-03-12 A. Gutiérrez-Rodríguez , M. Köksal , A. A. Billur , M. A. Hernández-Ruíz

The tau lepton plays important role in the correlation between the low-energy neutrino oscillation data and the lepton flavor structure in heavy neutrino decay. We investigate the lepton flavor signatures with tau lepton at hadron collider…

High Energy Physics - Phenomenology · Physics 2021-08-04 Chengcheng Han , Tong Li , Chang-Yuan Yao

Charged-lepton flavour-violating (cLFV) processes offer deep probes for new physics with discovery sensitivity to a broad array of new physics models - SUSY, Higgs Doublets, Extra Dimensions, and, particularly, models explaining the…

High Energy Physics - Experiment · Physics 2018-12-18 A. Baldini , D. Glenzinski , F Kapusta , Y. Kuno , M. Lancaster , J. Miller , S. Miscetti , T. Mori , A. Papa , A. Schoning , Y. Uchida

We study the interplay of New Physics (NP) among the lepton magnetic moment, the lepton flavor violation (LFV) and the electron electric dipole moment (EDM) in light of recent data of the muon $(g-2)_\mu$. The NP is discussed in the…

High Energy Physics - Phenomenology · Physics 2024-03-15 Morimitsu Tanimoto , Kei Yamamoto

We study lepton flavor observables in the Standard Model (SM) extended with all dimension-$6$ operators which are invariant under the SM gauge group. We calculate the complete one-loop predictions to the radiative lepton decays $\mu\to…

High Energy Physics - Phenomenology · Physics 2015-06-18 Andreas Crivellin , Saereh Najjari , Janusz Rosiek

In light of recent measurements suggesting potential lepton flavor universality violations in semileptonic decays at collider experiments, this article provides a concise study of tree- and loop-level $B$-hadron semileptonic decays, $b \to…

High Energy Physics - Phenomenology · Physics 2025-02-05 Sonali Patnaik , Lopamudra Nayak , Rajeev Singh

Run-I results from the CMS collaboration show an excess of events in the decay $h \to \mu \tau_e$ with a local significances of 2.4$\sigma$. This could be the first hint of flavour violation in the Higgs sector. We summarise the bounds on…

High Energy Physics - Phenomenology · Physics 2016-07-19 Shankha Banerjee , Biplob Bhattacherjee , Manimala Mitra , Michael Spannowsky

We study top quark flavor violation in the framework of a warped extra dimension with the Standard Model (SM) fields propagating in the bulk. Such a scenario provides solutions to both the Planck-weak hierarchy problem and the flavor puzzle…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaustubh Agashe , Gilad Perez , Amarjit Soni

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

The lepton-flavor violation (LFV) effect at an $e^+e^-$ linear collider (LC), in the frame of R-parity violating minimal supersymmetric standard model is studied. We take the R-parity violating processes $e^+e^-\to e^{\mp}\mu^{\pm}$ as…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sun Yan-Bin , Han Liang , Ma Wen-Gan , Tabbakh Farshid , Zhang Ren-You , Zhou Ya-Jin

We study the lepton flavor violation (LFV), the leptonic magnetic moments $(g-2)_{\mu,\,e} $ and the electric dipole moment (EDM) of the electron in the Standard-Model Effective Field Theory with the $\Gamma_N$ modular flavor symmetry. We…

High Energy Physics - Phenomenology · Physics 2022-08-24 Tatsuo Kobayashi , Hajime Otsuka , Morimitsu Tanimoto , Kei Yamamoto

We present a study of loop-level lepton flavor vioalting signals in models with heavy Majorana neutrinos and in the supersymmetric extension of the standard model. The attention is focused to the $e^- e^-$ option of the next generation of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mirco Cannoni , Orlando Panella , Stephan Kolb

We introduce a new method to search for the lepton-flavor violating Higgs decays $h\rightarrow\tau\mu$ and $h\rightarrow\tau e$ in the leptonic $\tau$ decay channel. In particular, the Standard Model background is estimated in a fully data…

High Energy Physics - Phenomenology · Physics 2014-07-30 Shikma Bressler , Avital Dery , Aielet Efrati

The Electron-Ion Collider~(EIC), a forthcoming powerful high-luminosity facility, represents an exciting opportunity to explore new physics. In this article, we study the potential of the EIC to probe the coupling between axion-like…

High Energy Physics - Phenomenology · Physics 2024-03-01 Reuven Balkin , Or Hen , Wenliang Li , Hongkai Liu , Teng Ma , Yotam Soreq , Mike Williams

In this Letter we describe a search for lepton flavor violation (LFV) in the bottomonium system. We search for leptonic decays of Upsilon(nS)(n=1,2, and 3) into muon and tau using the data collected with the CLEO III detector. We identify…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , W. Love