Lepton flavour violation at an electron-photon collider

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We study the LFV Higgs production processes e-γ → ℓ- φ (ℓ = μ, τ; φ = H, A) as a probe of Higgs-mediated LFV couplings at an electron-photon collider, where H and A are extra CP even and odd Higgs bosons, respectively, in the two Higgs doublet model. Under the constraints from the current data of muon and tau rare decay, the cross-section can be significantly large. It would improve the experimental upper bounds on the effective LFV coupling constants. In addition, the chirality nature of the LFV Higgs coupling constants can be measured by selecting electron beam polarizations. PACS 12.15. Ji - Applications of electroweak models to specific processes. PACS 12.60.Fr - Extensions of electroweak Higgs sector. PACS 14.60.-z - Leptons. PACS 14.60.Fg-Taus.

Original languageEnglish
Pages (from-to)103-108
Number of pages6
JournalNuovo Cimento della Societa Italiana di Fisica C
Issue number2
Publication statusPublished - Jan 1 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Physics and Astronomy (miscellaneous)


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