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Investigating bottom-quark Yukawa interaction at Higgs factory The work of JG is sponsored by the National Natural Science Foundation of China (11875189, 11835005) and the MOE Key Lab for Particle Physics, Astrophysics and Cosmology. The research of QB, KC, YL and HZ is supported by the funding from the Institute of High Energy Physics, Chinese Academy of Sciences (Y6515580U1) and the funding from Chinese Academy of Sciences (Y8291120K2). JG and HZ are pleased to recognize the support and the hospitality of the Center for High Energy Physics at Peking University
Chinese Physics C ( IF 3.6 ) Pub Date : 2021-02-02 , DOI: 10.1088/1674-1137/abcd2c
Qi Bi 1, 2 , Kangyu Chai 1, 2 , Jun Gao 3, 4 , Yiming Liu 1, 2 , Hao Zhang 1, 2, 4
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Measuring the fermion Yukawa coupling constants is important for understanding the origin of the fermion masses and their relationship with spontaneously electroweak symmetry breaking. In contrast, some new physics (NP) models change the Lorentz structure of the Yukawa interactions between standard model (SM) fermions and the SM-like Higgs boson, even in their decoupling limit. Thus, the precise measurement of the fermion Yukawa interactions is a powerful tool of NP searching in the decoupling limit. In this work, we show the possibility of investigating the Lorentz structure of the bottom-quark Yukawa interaction with the 125 GeV SM-like Higgs boson for future $e^+e^-$ colliders.

更新日期:2021-02-02
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