Particle Physics — UPSC IFoS 2019 Physics PYQ

By applying the conservation laws, state about the following decay equations, whether they are allowed or not allowed :

(i) \Sigma^+ \rightarrow p + \pi^0

(ii) \Sigma^0 \rightarrow \Lambda^0 + \gamma

(iii) \Lambda^0 \rightarrow n + \pi^0