Higgs effective field theory(HEFT) Integrate out the top quark HTr(F2) HTr(F3)... When the transverse momentum of Higgs particle is less than the top quark mass,the HEFT [Wilczek 1977]is good approximation. -aw品2ca+o(】 Oo=HTr(F2) O1=HT(F”FPF。“)O2=HT(DoF DPF), O3=HTr(DP FouD FH),O=HTr(FDPDe FM). .The leading (dimension 4)contribution of Higgs to 3 parton amplitude was computed in [Gehmann,Jaquier,Glover,Koukoutsakis 2011]. The contributions of dimension 6 operators.[Q.Yang 2018]and [Q.Yang 2019]. 7Higgs effective field theory (HEFT) • When the transverse momentum of Higgs particle is less than the top quark mass, the HEFT [Wilczek 1977] is good approximation. • The leading (dimension 4) contribution of Higgs to 3 parton amplitude was computed in [Gehrmann, Jaquier, Glover, Koukoutsakis 2011]. • The contributions of dimension 6 operators. [QJ, Yang 2018] and [QJ, Yang 2019]. Le↵ = Cˆ0O0 + 1 m2 t X 4 i=1 CˆiOi + O ✓ 1 m4 t ◆ O0= HTr(F2) O1= HTr(F ⌫ µ F ⇢ ⌫ F µ ⇢ ), O2 = HTr(D⇢Fµ⌫D⇢F µ⌫), O3= HTr(D⇢F⇢µD￾F ￾µ), O4 = HTr(Fµ⇢D⇢D￾F ￾µ). ⇒ ⇒ HTr(F2) HTr(F3)··· Integrate out the top quark 7