Before revision: If the nucleus is assumed to be spherically symmetric, an approximate relationship between nuclear radius and mass number arises above A=40 from the formula R= RoA-1 /3 with Ro = 1.2 ± 0.2 fm.
After revision: If the nucleus is assumed to be spherically symmetric, an approximate relationship between nuclear radius and mass number arises above A=40 from the formula R= RoA1 /3 with Ro = 1.2 ± 0.2 fm.