Elementary particle - Wikipedia, the free encyclopedia
In particle physics, an elementary particle or fundamental particle is a particle not known to have substructure; that is, it is not known to be made up of smaller particles. If an elementary part...
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Particle physics - Wikipedia, the free encyclopedia
Particle physics is a branch of physics that studies the elementary constituents of matter and radiation, and the interactions between them. It is also called high energy physics , because many ele...
en.wikipedia.org/wiki/Particle_physics
All four elementary matter particles interact with one another through the four fundamental forces: gravitation, electromagnetism and two types of nuclear forces, weak and strong. Three fundamental forces are described by the Standard model.
library.thinkquest.org/18188/english/universe/theory/el... library.thinkquest.org/18188/english/universe/theory/element.htm
The Fireworks of Particles ... Contact Us || Funding Credits || Project Credits || © 2009 by the Particle Data Group.
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Elementary Particles: Building Blocks of Matter (Paperback) ... This highly readable book uncovers the mysteries of the physics of elementary particles for a broad audience. ... This item: Elementary Particles: Building Blocks of Matter by Harald Fritzsch...
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Elementary Particles: Building Blocks of Matter (Hardcover) ... This highly readable book uncovers the mysteries of the physics of elementary particles for a broad audience. ... This item: Elementary Particles: Building Blocks of Matter by Harald Fritzsch...
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Until 1932, the "elementary" particles were the electron, proton, and neutron. We now know of hundreds of other elementary particles. ... Matter from Energy ... Other elementary particles can be created out of thin air from pure energy; the positron, for example.
sol.sci.uop.edu/~jfalward/elementaryparticles/elementar... sol.sci.uop.edu/~jfalward/elementaryparticles/elementaryparticles.html
A brief outline of the types of fundamental particles which are studied in particle physics. ... Though particle physics has existed for just over a century, the concept goes back to the ancient Greeks, who predicted that matter could be broken down into fundamental, indivisible particles (a concept known as atomism).
physics.about.com/od/atomsparticles/a/particles.htm physics.about.com/od/atomsparticles/a/particles.htm
He begins with the quantum nature of matter and builds up through quarks, quantum electrodynamics, chromodynamics, strong interactions, gauge theories of weak and electromagnetic interactions and mass generation to the Grand Unification theory.
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Today, we know that atoms do not represent the smallest unit of matter. Particles called quarks and leptons seem to be the fundamental building blocks - but perhaps there is something even smaller. Physicists are still far from understanding why a proton has about 2,000 times more mass than an electron.
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