preon การใช้

• One of the earliest preon models was the Rishon model.
• :I'm surprised that no one has linked preon yet.
• It is believed that any preon star under the maximum mass will be stable.
• The preon model has attracted comparatively little interest to date among the particle physics community.
• It is believed that a preon star would have a large magnetic field, and rapid rotation.
• More-recent preon models also account for spin-1 bosons, and are still called " preons ".
• Preons are subatomic particles proposed to be the constituents of quarks, which become composite particles in preon-based models.
• People have proposed preon theories where the electron is a composite particle, but none of them have had much success.
• Several preon models have been proposed to address the unsolved problem concerning the fact that there are three generations of quarks and leptons.
• If preons exist, preon-degenerate matter might occur at densities greater than that which can be supported by quark-degenerate matter.
• If preons exist, they, and by extension preon stars, would be not perform nucleosynthesis and would be immune to Hawking radiation.
• In essence, preon theory tries to do for the Standard Model what the Standard Model did for the particle zoo that came before it.
• If they exist, the eigenmode frequency for radial oscillations of a preon star would be 10 6 greater than that of a neutron star.
• When the term " preon " was coined, it was primarily to explain the two families of spin-?fermions : leptons and quarks.
• According to preon theory there are one or more orders of particles more fundamental than those ( or most of those ) found in the Standard Model.
• Preon models generally postulate some additional new particles which are further postulated to be able to combine to form the quarks and leptons of the standard model.
• Thus, the preon model proposed particles smaller than the elementary particles they make up, since the momentum uncertainty ?p should be greater than the particles themselves.
• Each of the preon models postulates a set of fewer fundamental particles than those of the Standard Model, together with the rules governing how those fundamental particles operate.
• For example, now that the LHC's observation of a Higgs boson is confirmed, the observation contradicts the predictions of many preon models that did not include it.
• For preon stars ( and similar ) we also lack knowledge about whether quarks are indeed composed of some kind of sub-particle, and therefore whether preons physically exist.