A beam of 7.96-MeV protons is incident on a target of _13^27 text(Al). Those that collide produce the reaction shown below.
p + 27 13 Al → 27 14 Si + n 27 14
Si has a mass of 26.986721 u. Neglecting any recoil of the product nucleus, determine the kinetic energy of the emerging neutrons. MeV