b) The variation of atomic mass as a function of atomic mass number A and proton...
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b) The variation of atomic mass as a function of atomic mass number A and proton number Z can be approximately described by the semi-empirical mass formula: m(A, Z) = ZmH + (A - Z)mn - aA + as A/ + ac + aa Z (A - 2Z) A/3 A Briefly describe the physical origin of each of the terms in this expression. c) Neglecting the terms with coefficients aa and ap, show that it is energetically possible for an even-even nucleus to fission into two identical fragments if Z A 18.2, given the values of the other coefficients are as FaA-1/2 www 18.34 MeV/c and a = 0.71 MeV/c. - b) The variation of atomic mass as a function of atomic mass number A and proton number Z can be approximately described by the semi-empirical mass formula: m(A, Z) = ZmH + (A - Z)mn - aA + as A/ + ac + aa Z (A - 2Z) A/3 A Briefly describe the physical origin of each of the terms in this expression. c) Neglecting the terms with coefficients aa and ap, show that it is energetically possible for an even-even nucleus to fission into two identical fragments if Z A 18.2, given the values of the other coefficients are as FaA-1/2 www 18.34 MeV/c and a = 0.71 MeV/c. -
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b The semiempirical mass formula represents the approximate relationship between the atomic mass number A and the proton number Z of a nucleus The ter... View the full answer
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