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Define a Lepton
Define a Hadron
Sort the following particles into lepton, baryon or meson
proton
neutron
electron
neutrino
muon
pion
kaon
What must be conserved in all reactions?
What is not conserved in the weak interaction?
What are lepton numbers?
What are the properties of Up, Down and Strange quarks?
What is the quark combination for protons and neutrons?
What occurs during beta- decay?
What occurs during beta+ decay?
Explain why some interactions are never observed
