Corpus ID: 233864965

Same-Sign Tetralepton Signature in Type-II Seesaw at Lepton Colliders

@inproceedings{Bai2021SameSignTS,
  title={Same-Sign Tetralepton Signature in Type-II Seesaw at Lepton Colliders},
  author={X. Bai and Zhi-Long Han and Yi Jin and Hong-Lei Li and Z. Meng},
  year={2021}
}
The same-sign tetralepton signature via mixing of neutral Higgs bosons and their cascade decays to charged Higgs bosons is a unique signal in the type-II seesaw model. In this paper, we study this signature at future lepton colliders, such as ILC, CLIC, and MuC. Constrained by direct search, H±± → W±W± is the only viable decay mode for MA0 = 400 GeV at √ s = 1 TeV ILC. With an integrated luminosity of L = 8 ab−1, the promising region with about 150 signal events corresponds to a narrow band in… Expand

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