[填空题]
(a) Can the reactionuyjsnx ei( ;p-y g+f6v/u)z2y-r fbzv .pgof*k+wtqe)v (y )* $_{3}^{7}\text{Li} + \text{p} \to _{2}^{4}\text{He} + \alpha$ occur if the incident proton has kinetic energy = 2500 keV?
(b) If so, what is the total kinetic energy of the products? MeV