[填空题]
(a) Can the reactionlg7hej3jw -g( ; baiuq8 (k6,vgayw,pqp; : cju *iv7j$_{3}^{7}\text{Li} + \text{p} \to _{2}^{4}\text{He} + \alpha$ occur if the incident proton has kinetic energy = 2500 keV?
(b) If so, what is the total kinetic energy of the products? MeV