Question: (a)? Derive the large A approximation to the logarithmic energy decrement given in eq. (18.5) (b) Show that the number of collisions with a nucleus

(a)?Derive the large A approximation to the logarithmic energy decrement given in eq. (18.5)

(A) = (In(E) In(E') = E In E'

(b) Show that the number of collisions with a nucleus with atomic mass A required to decrease the energy of a neutron from E₀ = 2 MeV to E_f = 0.025 eV is N ? 18.2/?(A).

(A) = (In(E) In(E') = E In E'

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