A free neutron outside a nucleus breaks down into a proton and an electron
PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation
Problem
A free neutron outside a nucleus breaks down into a proton and an electron. Which of the following particles must also be produced for all conservation laws to hold?
(a) a positron (e+)
(b) a γ photon
(c) an electron antineutrino (νˉe)
(d) an electron neutrino (νe)