Hadrons - Branch of particles that experience the Strong nuclear force, Fermions - We classify all particles as, Bosons - These are the force carriers, Mesons - Made of quark antiquark, Baryons - Made of 3 quarks, Anti baryons - Made of 3 anti quarks, Leptons - Fundamental, do not feel SNF, Neutrinos - Chargeless, massless, 3 types, Muon - More massive lepton than electron, Electron - Free muon will decay into this, Proton - Free neutron will decay into this, Pion, Kaon - Types of Mesons, Change in the nucleus during Beta - - Neutron -> Proton + Electron + Anti Electron Neutrino, Change in the nucleus during Beta + - Proton -> Neutron + Positron + Electron Neutrino, Pair Production - Gamma photon of sufficient energy turns into a particle and antiparticle pair, Momentum - Conserved during pair production, Neutron - Hadron of zero charge, 3fm - Range of SNF, 0.5fm - Greater than this and SNF is attractive, Infinite Range - Range of EM force, 20 - Atomic number up to which N=Z for stable nuclei, Beta + - Proton rich nuclei decay like this, Beta - - Neutron rich nuclei decay like this,

Particle Physics

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