Physics - Modern Physics Question with Solution | TestHub

Given the masses of various atomic particles${\mathrm{m}}_{\mathrm{P}}=1,0072\mathrm{u}$,${\mathrm{m}}_{\mathrm{n}}=1,0087\mathrm{u}$,${\mathrm{m}}_{\mathrm{e}}=0.000548\mathrm{u}$,${\mathrm{m}}_{\overline{\mathrm{v}}}=0$,${\mathrm{m}}_{\mathrm{d}}=2.0141\mathrm{u}$, where$\mathrm{p}=$proton,$\mathrm{n}\equiv$neutron,$\mathrm{e}\equiv$electron,$\overline{\mathrm{v}}\equiv$antineutrino and$\overline{\mathrm{d}}\equiv$deuteron. Which of the following process is allowed by momentum and energy conservation :