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Particle Physics

LC Physics

TermDefinition
Conservation in a Nuclear Reaction 1. Mass-energy 2. Charge 3. Momentum
Anti-Particle Particle with the same mass opposite charge. Positron is the electrons anti-particle.
Pair Production A particle and its anti-particle are produced from energy bombarding matter such as lead.
Pair Annihilation When a particle and its anti-particle join together and are annihilated to produce energy.
Fundamental Forces of Nature 1. Strong Nuclear Force 2. Electromagnetic Force 3. Weak Nuclear Force 4. Gravitational
Hadrons Particles that feel the strong nuclear force. Baryons and Mesons.
Baryons Particles that have a mass greater than/equal to a proton and are composed of 3 quarks.
Mesons Particles that have a mass less than a proton and are composed of a quark and an anti-quark.
Leptons Elementary particles that do not feel the strong nuclear force.
Quarks Elementary particles that the baryons and mesons are made up of.
Proton Quark Composition uud
Anti-Proton Quark Composition anti-up, anti-up, anti-down
Neutron Quark Composition udd
Anti-neutron Quark Composition anti-up, anti-down, anti-down
Lambda (neutral) Quark Composition uds
Sigma (plus) Quark Composition uus
Pion (plus) Quark Composition up, anti-down
Pion (negative) Quark Composition anti-up, down
Pion (neutral) Quark Composition up, anti-up or down, anti-down
Kaon (Positive) Quark Composition up, anti-strange
Created by: mduffy13
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