&--Saturday, April 7, 2007 ; 2:27 AM
EldwinSchrodinger @ the fundamentals of particle physics

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according to physics, the world is made from 12 fundamental particles called fermions: six quarks and 6 leptons, all the hundred of known particles are actually combination of these! in out everyday life, we will see only what we termed them as err generation I fermions. these are electrons and only up and down quarks combines to form protons and neutrons.

fermions in generation II and III tend to decay into lower generations, and when a heavy lepton (probably a electron, a muon or a tau) decays. and whats the by product is what we actually call them neutrinos

matter particles interact by exchanging force particles, collectively called bosons. at present, the model can explain how force particles carry the strong electromagnetic, and uh week forces. but it cant explain gravity..

by right, all particles have a particular mass, electric charge and spins. and each particle also has a corresponding antimatter particle with the same mass and spins but then it has different electric charge. and when an antiparticle meets a particle, the 2 will annihilate in a flash of energy.

Labels: Elementary Particles

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