Particle Physics Revision Notes AS Level Physics 2.0 / 5 based on 1 rating ? PhysicsParticle physicsASAll boards Created by: Mark ButterworthCreated on: 10-01-12 22:03 Nucleon Proton or neutron in the nucleus 1 of 6 Z = Atomic number Number of protons in the nucleus 2 of 6 A = Nucleon number or mass number Number of protons and neutrons in the nuclueus 3 of 6 Isotopes Atoms with the same number of protons and different number of neutrons 4 of 6 Specific Charge Charge of particle ÷ mass of particle (Unit Ckg-1) 5 of 6 Strong Nuclear Force Range = 3 - 4 fm (approx diametre of a small nucleus) Acts Between Nucleons Attractive down the about 0.5 fm Repulsive at separations smaller than this Exchange Particles = pi mesons or pions 6 of 6
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