For 10 points, name these particles with half-integer spin, which obey the statistics of Dirac and their namesake, the Italian physicist who built the first nuclear reactor.
A type of these particles named for Majorana are their own antiparticle and are contrasted with ones named for Dirac. The average number of these particles in a given state is given by a distribution whose denominator is one plus the quantity e raised to a function of the energy of that state. These are particles with wave functions anti-symmetric under exchange, according to the spin-statistics theorem. All (*) quarks and leptons are members of this class of particles, unlike mesons and photons. The Pauli exclusion principle applies to these particles, but not to bosons. For 10 points, name these particles with half-integer spin, which obey the statistics of Dirac and their namesake, the Italian physicist who built the first nuclear reactor.
A type of these particles named for Majorana are their own antiparticle and are contrasted with ones named for Dirac.
fermions [anti-prompt on "neutrinos"]