imag g0
E1_0_imag = 2.28(3.2)e-6 χ2/dof= 0.1465
E1_1_imag = -1.22(41)e-5 χ2/dof= 0.10841
E2_0_imag = 2.1(21.6)e-9 χ2/dof= 0.090884
E2_1_imag = -6.6(13.3)e-9 χ2/dof= 1.9656
E3_0_imag = 8(105.6)e-12 χ2/dof= 0.34412
E3_1_imag = -9.63(8.8)e-11 χ2/dof= 0.67405