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Related papers: The Lepton Flavour Violating Higgs Decays at the H…

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A search for lepton flavour violating decays of the Higgs boson in the $\mu\tau$ and e$\tau$ decay modes is presented. The search is based on a data set corresponding to an integrated luminosity of 35.9 fb$^{-1}$ of proton-proton collisions…

High Energy Physics - Experiment · Physics 2018-06-06 CMS Collaboration

Lepton flavor violating Higgs decays could appear in scenarios beyond the Standard Model of particle physics. In this article, we study the sensitivity of a future Compact Linear Collider (CLIC) to such processes, namely, $h\rightarrow…

High Energy Physics - Phenomenology · Physics 2026-05-12 Francisca Garay , Gabriel Vega , Philipp Roloff

Direct searches for lepton flavour violation in decays of the Higgs and $Z$ bosons with the ATLAS detector at the LHC are presented. The following three decays are considered: $H\to e\tau$, $H\to\mu\tau$, and $Z\to\mu\tau$. The searches are…

High Energy Physics - Experiment · Physics 2017-03-08 ATLAS Collaboration

A direct search for lepton flavour violating decays of the Higgs boson (H) in the H to e tau and H to e mu channels is described. The data sample used in the search was collected in proton-proton collisions at sqrt(s) = 8 TeV with the CMS…

High Energy Physics - Experiment · Physics 2016-12-13 CMS Collaboration

We explore the discovery potential for lepton flavor-violating Higgs boson decays, $h \to \ell_i \ell_j$ ($\ell_i \neq \ell_j$; $\ell = e, \mu, \tau$), in proton-proton collisions. The analysis is performed within a Froggatt-Nielsen…

High Energy Physics - Phenomenology · Physics 2026-02-26 M. A. Arroyo-Ureña , E. A. Herrera-Chacón , Iran Melendez-Hernández , S. Rosado-Navarro

We study a class of nonstandard interactions of the newly discovered 125 GeV Higgs-like resonance that are especially interesting probes of new physics: flavor violating Higgs couplings to leptons and quarks. These interaction can arise in…

High Energy Physics - Phenomenology · Physics 2015-08-17 Roni Harnik , Joachim Kopp , Jure Zupan

This Letter presents direct searches for lepton flavour violation in Higgs boson decays, $H\rightarrow e\tau$ and $H\rightarrow\mu\tau$, performed with the ATLAS detector at the LHC. The searches are based on a data sample of proton-proton…

High Energy Physics - Experiment · Physics 2020-02-04 ATLAS Collaboration

After the discovery of the Higgs boson, several future experiments have been proposed to study the Higgs boson properties, including two circular lepton colliders, the CEPC and the FCC-ee, and one linear lepton collider, the ILC. We…

High Energy Physics - Phenomenology · Physics 2018-10-23 Qin Qin , Qiang Li , Cai-Dian Lü , Fu-Sheng Yu , Si-Hong Zhou

The first direct search for lepton-flavour-violating decays of the recently discovered Higgs boson (H) is described. The search is performed in the H to mu tau[e] and H to mu tau[h] channels, where tau[e] and tau[h] are tau leptons…

High Energy Physics - Experiment · Physics 2015-08-24 CMS Collaboration

A search is presented for lepton-flavor violating decays of the Higgs boson to $\mu\tau$ and e$\tau$. The data set corresponds to an integrated luminosity of 137 fb$^{-1}$ collected at the LHC in proton-proton collisions at a center-of-mass…

High Energy Physics - Experiment · Physics 2021-09-08 CMS Collaboration

The ATLAS and CMS experiments at the LHC have reported the observation of a possible excess of events corresponding to a new particle $h$ with mass $\sim 125$ GeV that might be the long-sought Higgs boson, or something else. Decyphering the…

High Energy Physics - Phenomenology · Physics 2015-06-04 Gianluca Blankenburg , John Ellis , Gino Isidori

We discuss lepton flavor violation (LFV) associated with tau leptons in the general framework of the two Higgs doublet model, in which LFV couplings are introduced as a deviation from Model II Yukawa interaction. Parameters of the model are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Shinya Kanemura , Toshihiko Ota , Koji Tsumura

Flavor violating interactions of the Higgs boson are a generic feature of models with extended electroweak symmetry breaking sectors. Here, we investigate CP violation in these interactions, which can arise from interference of tree-level…

High Energy Physics - Phenomenology · Physics 2015-06-22 Joachim Kopp , Marco Nardecchia

In these proceedings we review the flavour phenomenology of 2HDMs with generic Yukawa structures. We first consider the quark sector and find that despite the stringent constraints from FCNC processes large effects in tauonic B decays are…

High Energy Physics - Phenomenology · Physics 2022-08-09 Andreas Crivellin , Christoph Greub , Ahmet Kokulu

The possibility of detecting double flavor violating top quark transitions at future colliders is explored in a model-independent manner using the effective Lagrangian approach through the $t \to u_i\tau \mu$ ($u_i=u,c$) decays. A Yukawa…

High Energy Physics - Phenomenology · Physics 2014-11-20 A. Fernandez , C. Pagliarone , F. Ramirez-Zavaleta , J. J. Toscano

Realistic predictions are made for the rates of lepton flavour violating Higgs boson decays, tau --> mu gamma, mu --> e gamma, Bs --> mu+mu-, Bs --> tau mu and tau --> 3mu, via a top-down analysis of the Minimal Supersymmetric Standard…

High Energy Physics - Phenomenology · Physics 2011-03-23 J. K. Parry

We discuss possibility of direct search for lepton flavor violation (LFV) in Yukawa interaction by measuring the branching ratio for the decay of the lightest Higgs boson ($h^0$) into a $\tau$-$\mu$ pair at a linear collider. We study the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Shinya Kanemura , Kouichi Matsuda , Toshihiko Ota , Tetsuo Shindou , Eiichi Takasugi , Koji Tsumura

The lepton flavor violating decay of the Higgs boson $H\to l_Al_B$ is studied within two qualitatively different extensions of the Yukawa sector: one renormalizable and the other nonrenormalizable; both incorporating Lorentz violation in a…

High Energy Physics - Phenomenology · Physics 2016-02-15 M. A. López-Osorio , E. Martínez-Pascual , J. J. Toscano

We compute the lepton flavour violating couplings of Higgs bosons in the Minimal Supersymmetric Standard Model, and show that they can induce the decays (h,H,A) --> mu tau at non-negligible rates, for large tan(beta) and sizeable smuon-stau…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrea Brignole , Anna Rossi

We calculate lepton flavor violating Z -> l^+ l^- decay in the framework of the general two Higgs Doublet model. In our calculations we used the constraints for the Yukawa couplings \bar{\xi}^{D}_{N,\tau e} and \bar{\xi}^{D}_{N,\tau\mu}…

High Energy Physics - Phenomenology · Physics 2009-11-07 E. O. Iltan , I. Turan
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