ν-Two Higgs doublet model and its collider phenomenology

Naoyuki Haba, Koji Tsumura

研究成果: Contribution to journalArticle査読

32 被引用数 (Scopus)

抄録

Smallness of neutrino masses can be explained by introducing a tiny vacuum expectation value of an extra-Higgs doublet which couples to right-handed neutrinos (NR). This situation is naturally realized in ν-Two Higgs Doublet Model (νTHDM), where a TeV-scale seesaw mechanism can work well. We investigate observable phenomenology of νTHDM at LHC and ILC experiments. Charged Higgs boson (H±) in νTHDM is almost originated from the extra-Higgs doublet and its coupling strength to neutrinos are not small. Then this model induces rich phenomenology at the LHC, for example, when m H± > MN, observable charged tracks can be induced from long lived charged Higgs. On the other hand, when mH ± < MN, right-handed neutrinos can be long-lived, and secondary vertices may be tagged at the LHC. The νTHDM also predicts observable lepton number violating process at the ILC.

本文言語英語
論文番号68
ジャーナルJournal of High Energy Physics
2011
6
DOI
出版ステータス出版済み - 2011
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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