Introduction To Elementary Particles Solutions Manual Griffiths =link= (90% PLUS)

1.3 The antiparticle of the electron $e^{-}$ is the positron $e^{+}$.

7.2 The $W$ and $Z$ bosons mediate the weak interaction.

6.2 The quark model explains the hadronic spectrum.

5.2 The quark content of the neutron is $udd$.