41 G4double X5 = (1.0 - 0.62025 * X4); X5 *= X5;
44 G4double DM = 17.035 * (1.0 - 1.846 *
X) * A -
45 25.8357 * (1.0 - 1.712 * X) * X2 * X5 -
46 0.779 * Z * (Z - 1) * X3 *
47 (1.0 - 1.5849 * X4 + 1.2273 / A + 1.5772 * X4 * X4) +
48 0.4328 * Z13*Z13*Z13*Z13 * X3 *
49 (1.0 - 0.57811 * X3 - 0.14518 * X4 + 0.496 /
A);