[问答题]
Show that the energiesp9b4u1d- oucxh(rri 5 carlgbm- j 42ol:rried off by the $_{2}^{4}\text{He}$ nucleus and the neutron for the reaction of Eq. 31-8c are about 3.5 MeV and 14 MeV, respectively. Are these fixed values, independent of the plasma temperature?