期刊
CHINESE PHYSICS C
卷 45, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1674-1137/abcfac
关键词
Higgs; top-quark; Yukawa interaction
资金
- National Science Foundation of China [11725520, 11675002, 11635001]
- Institute of High Energy Physics, Chinese Academy of Science [Y6515580U1]
- Institute of High Energy Physics, Innovation Grant [Y4545171Y2]
- [NRF2019R1C1C1010050]
A new dihedral angle observable has been proposed to measure the CP property of the interaction between the top quark and Higgs boson in t (t) over barH production at the 14 TeV Large Hadron Collider (LHC). By considering two decay modes of the Higgs boson, H -> b (b) over bar and H -> gamma gamma, it has been demonstrated that the dihedral angle distribution can distinguish between the CP-even and CP-odd hypothesis at a 95% confidence level with an integrated luminosity of about 180 fb(-1).
We propose a new dihedral angle observable for measuring the CP property of the interaction between the top quark and Higgs boson in t (t) over barH production at the 14 TeV Large Hadron Collider (LHC). We consider two decay modes of the Higgs boson, H -> b (b) over bar and H -> gamma gamma, and demonstrate that the dihedral angle distribution is able to distinguish between the CP-even and the CP-odd hypothesis at a 95% confidence level, with an integrated luminosity of similar to 180 fb(-1).
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