A powerful tool for measuring Higgs boson associated lepton flavour violation

Shinya Kanemura, Koji Tsumura

研究成果: Contribution to journalArticle査読

13 被引用数 (Scopus)

抄録

In models with extended Higgs sectors, Higgs-boson-mediated Lepton Flavour Violation (LFV) can naturally appear. We study the physics potential of an electron-photon collider on searching LFV processes e- γ → ℓ- φ (ℓ = μ, τ; φ = H, A) where H and A are extra CP even and odd Higgs bosons, respectively, in the minimal supersymmetric standard model and the effective two Higgs doublet model. The production cross section can be significantly large for the maximal allowed values of the LFV coupling constants under the current experimental data. Present experimental upper bounds on the effective LFV coupling constants would be considerably improved by searching these processes, which would be better than MEG and COMET experiments and also those at LHCb and SuperKEKB. Moreover, one can separately measure chirality of effective LFV coupling constants via these processes by selecting electron polarizations.

本文言語英語
ページ(範囲)295-298
ページ数4
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
674
4-5
DOI
出版ステータス出版済み - 4 27 2009
外部発表はい

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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