Rare Higgs three body decay induced by top-Higgs FCNC coupling in the littlest Higgs model with T-parity

  • Motivated by the search for flavor-changing neutral current (FCNC) top quark decays at the LHC, we calculate the rare Higgs three body decay H→Wbc induced by top-Higgs FCNC coupling in the littlest Higgs model with T-parity (LHT). We find that the branching ratio of H→Wbc in the LHT model can reach O(10-7) in the allowed parameter space.
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Bing-Fang Yang, Zhi-Yong Liu and Ning Liu. Rare Higgs three body decay induced by top-Higgs FCNC coupling in the littlest Higgs model with T-parity[J]. Chinese Physics C, 2017, 41(4): 043103. doi: 10.1088/1674-1137/41/4/043103
Bing-Fang Yang, Zhi-Yong Liu and Ning Liu. Rare Higgs three body decay induced by top-Higgs FCNC coupling in the littlest Higgs model with T-parity[J]. Chinese Physics C, 2017, 41(4): 043103.  doi: 10.1088/1674-1137/41/4/043103 shu
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Received: 2016-10-29
Revised: 2016-11-21
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    Supported by National Natural Science Foundation of China (11305049, 11405047), Startup Foundation for Doctors of Henan Normal University (11112, qd15207) and Education Department Foundation of Henan Province(14A140010)

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Rare Higgs three body decay induced by top-Higgs FCNC coupling in the littlest Higgs model with T-parity

    Corresponding author: Bing-Fang Yang,
    Corresponding author: Zhi-Yong Liu,
    Corresponding author: Ning Liu,
  • 1. College of Physics and Materials Science, Henan Normal University, Xinxiang 453007, China
Fund Project:  Supported by National Natural Science Foundation of China (11305049, 11405047), Startup Foundation for Doctors of Henan Normal University (11112, qd15207) and Education Department Foundation of Henan Province(14A140010)

Abstract: Motivated by the search for flavor-changing neutral current (FCNC) top quark decays at the LHC, we calculate the rare Higgs three body decay H→Wbc induced by top-Higgs FCNC coupling in the littlest Higgs model with T-parity (LHT). We find that the branching ratio of H→Wbc in the LHT model can reach O(10-7) in the allowed parameter space.

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