FM2_EPT_TC = 1.0 / (1 + T_HET1*(0.0001453 +5.111e-06*T_HET1))
FM2_C1_calib = 0.990 * FM2_EPT_TC
FM2_C2_calib = 1.006 * FM2_EPT_TC
FM2_C3_calib = 0.978 * FM2_EPT_TC
FM2_C4_calib = 0.984 * FM2_EPT_TC
FM2_A1_calib = 1.037 * FM2_EPT_TC
FM2_A2_calib = 0.997 * FM2_EPT_TC
FM2_A3_calib = 0.998 * FM2_EPT_TC
FM2_A4_calib = 0.997 * FM2_EPT_TC
FM2_C1H_SiH_calib = 0.166 / (1+T_HET1*(0.000907 -1.598e-05*T_HET1))
FM2_BGO_calib = 17.404 / (1 - T_HET1*(0.007486 +3.396e-05*T_HET1))
FM2_BGO_L_calib = FM2_BGO_calib * 13.854 * (1 + T_HET1*(0.0008645 -1.927e-05*T_HET1))
FM2_HET_HG_TC = 1.0 / (1 + T_HET1*(0.0006021 -3.981e-06*T_HET1))
FM2_A11H_calib = 1.349 * FM2_HET_HG_TC
FM2_A12H_calib = 1.329 * FM2_HET_HG_TC
FM2_A21H_calib = 1.493 * FM2_HET_HG_TC
FM2_A22H_calib = 1.344 * FM2_HET_HG_TC
FM2_B11H_calib = 1.304 * FM2_HET_HG_TC
FM2_B12H_calib = 1.406 * FM2_HET_HG_TC
FM2_B3_TC = 1.0 / (1+0.0001075*T_HET1)
FM2_B13G_calib = 1.125 * FM2_B3_TC
FM2_B23G_calib = 1.173 * FM2_B3_TC
FM2_HET_HL_TC = 1.0 / (1 + T_HET1*(0.0003531 -8.021e-06*T_HET1))
FM2_A11L_calib = FM2_A11H_calib * 13.890 * FM2_HET_HL_TC
FM2_A12L_calib = FM2_A12H_calib * 13.782 * FM2_HET_HL_TC
FM2_A21L_calib = FM2_A21H_calib * 12.763 * FM2_HET_HL_TC
FM2_A22L_calib = FM2_A22H_calib * 13.485 * FM2_HET_HL_TC
FM2_B11L_calib = FM2_B11H_calib * 14.157 * FM2_HET_HL_TC
FM2_B12L_calib = FM2_B12H_calib * 13.466 * FM2_HET_HL_TC
FM2_B21L_calib = FM2_B21H_calib * 13.908 * FM2_HET_HL_TC
FM2_B22L_calib = FM2_B22H_calib * 13.874 * FM2_HET_HL_TC