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Standard Model Effective Field Theory from On-shell Amplitudes
by
Prof.Jing Shu
(ITP)
→
Asia/Shanghai
B105 (CHEP)
B105
CHEP
West Building, School of Physics, PKU
Description
We present a general method of constructing unfactorizable on-shell amplitudes (amplitude basis), and build up their one-to-one correspondence to the independent and complete operator basis in effective field theory (EFT). We apply our method to the Standard Model EFT, and identify the amplitude basis in dimension 5 and 6, which correspond to the Weinberg operator and operators in Warsaw basis except for some linear combinations.