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Elementary Particles - MSN Encarta (1947 words) |
 | 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. |
| The behavior of a particle or group of particles, such as an atom or a house, determines whether it is a fermion or boson. |
| Particle physicists are still trying to understand the role of the second and third generations in nature. |
| Elementary particle (1068 words) |
| In particle physics, an elementary particle is a particle of which other, larger particles are composed. |
| One of the outstanding problems of particle physics is to find the most elementary particles — or the so-called fundamental particles — which make up all the other particles found in Nature, and are not themselves made up of smaller particles. |
| One particular prediction of string theory is the existence of extremely massive counterparts of ordinary particles due to vibrational excitations of the fundamental string. |
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