Apr 23 – 27, 2012
Hotel Inter-Brugo EXCO
Asia/Seoul timezone

Multi tau lepton signatures in leptophilic two Higgs doublet model at the ILC

Apr 24, 2012, 9:10 AM
B1-4 [300] (Hotel Inter-Burgo EXCO)

B1-4 [300]

Hotel Inter-Burgo EXCO


Koji Tsumura (National Taiwan University)


We study the feasibility of Type-X two Higgs doublet model (THDM-X) at collider experiments. In THDM-X, new Higgs states are almost decaying into tau leptons. Such scalar bosons are less constrained by current experimental data, because production cross sections are not enhanced by quark Yukawa interaction, and decay products includes multiple missing neutrinos. In this talk, we discuss a search strategy of THDM-X with multi tau lepton final states at ILC and LHC. By using collinear approximation, we show that a four tau signature (e+e- --> AH --> 4tau) can be a clean signal. This talk is based on the paper arXiv:1111.6089.

Presentation materials