Four proposed nuclear transformations are listed below
PHYSICS · Multi-part · A Level · Physics · Particles and radiation · Particles and radiation
Problem
Four proposed nuclear transformations are listed below. For each process, determine whether it is allowed or forbidden under the standard conservation laws.
(a) For each transformation I–IV, state whether it is allowed or forbidden.
(b) For every transformation you classified as forbidden, identify which specific conservation law(s) are violated and show the quantitative mismatch.
(c) Choose one of the forbidden transformations and propose the minimal change (addition or removal of a single particle or alteration of a decay product) required to make the transformation allowed. Justify your proposal using the relevant conservation principles.