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2024年10月30日
Chinese Physics C> 2013, Vol. 37> Issue(5) : 054102 DOI: 10.1088/1674-1137/37/5/054102

Production and decay of the 125 GeV Higgs boson in thelittlest Higgs model with T-parity

  • Motivated by recent search results for the standard model (SM) Higgs boson at the Large Hadron Collider (LHC), we revisit the Higgs phenomenology in the littlest Higgs model with T-parity (LHT). We present the signal strength modifier μ, respectively, for the main search channels qq' → jjh→ jjγγ, qq'→ Vh→ Vγγ, qq'→ Vh → Vbb, gg→ h → γγ, and gg → h → VV in the LHT model. It is found that an enhancement factor of 1.09-1.56 in the qq' → jjh→ jjγγ channel can be obtained for this model in Case B with parameter f in the range 500-1000~GeV. However, the rates for bb, ττ are significantly suppressed relative to the SM predictions, which are still consistent with the current sensitivity. It is hoped that this will be further tested with larger integrated luminosity at the LHC.
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ZENG Qing-Guo, YANG Shuo, YUE Chong-Xing and CHEN Lian-Song. Production and decay of the 125 GeV Higgs boson in thelittlest Higgs model with T-parity[J]. Chinese Physics C, 2013, 37(5): 054102. doi: 10.1088/1674-1137/37/5/054102
ZENG Qing-Guo, YANG Shuo, YUE Chong-Xing and CHEN Lian-Song. Production and decay of the 125 GeV Higgs boson in thelittlest Higgs model with T-parity[J]. Chinese Physics C, 2013, 37(5): 054102.  doi: 10.1088/1674-1137/37/5/054102 shu
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Received: 2012-08-08
Revised: 2012-10-18
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Production and decay of the 125 GeV Higgs boson in thelittlest Higgs model with T-parity

    Corresponding author: YUE Chong-Xing,
  • Received Date: 2012-08-08
  • Accepted Date: 2012-10-18
  • Available Online: 2013-05-05

Abstract: Motivated by recent search results for the standard model (SM) Higgs boson at the Large Hadron Collider (LHC), we revisit the Higgs phenomenology in the littlest Higgs model with T-parity (LHT). We present the signal strength modifier μ, respectively, for the main search channels qq' → jjh→ jjγγ, qq'→ Vh→ Vγγ, qq'→ Vh → Vbb, gg→ h → γγ, and gg → h → VV in the LHT model. It is found that an enhancement factor of 1.09-1.56 in the qq' → jjh→ jjγγ channel can be obtained for this model in Case B with parameter f in the range 500-1000~GeV. However, the rates for bb, ττ are significantly suppressed relative to the SM predictions, which are still consistent with the current sensitivity. It is hoped that this will be further tested with larger integrated luminosity at the LHC.

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