aWμ(eq,ℓ)=P[0]+P[2]e−MLaWμ(op,ℓ)=P[1]+P[3]e−ML
χ2dof= Inf
P[0]= 4.5586(17)e-9
P[1]= 4.0406(29)e-9
P[2]= -9(55)e-12
P[3]= -2.6(1.3)e-10