Lecture.1.part1 - Physics 357/457 Physics 357/457 Spring...

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Unformatted text preview: Physics 357/457 Physics 357/457 Spring 2011 Spring 2011 (Chapter 1: getting started) (Chapter 1: getting started) e lementary articles the elementary particles the forces the model how can we understand it? Elementary particle: Elementary particle: an entity not able to be further decomposed an entity not able to be further decomposed with a unique set of properties with a unique set of properties mass, m harge Q charge, Q spin : s = integer ( fermion ), s = 0, 1, 2( boson ) flavor pin, charge & mass(energy) spin, charge & mass(energy) Intrinsic property constituents do not exist We dont know how to account for the property by classical, quantum mechanical or relativistic (field theoretic) models what is charge? what is charge? at s c a ge at s c a ge Charge (Q) is a quantity we have defined in order to describe how certain particles (with this charge) interact. If the particles dont interact in the prescribed way, they dont have charge.interact in the prescribed way, they dont have charge....
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This note was uploaded on 08/25/2011 for the course PHYSICS 357 taught by Professor Hale,b during the Spring '08 term at Missouri S&T.

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Lecture.1.part1 - Physics 357/457 Physics 357/457 Spring...

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