elementary particles wikipedia - EAS
- abyss.uoregon.eduIn physics, an elementary particle or fundamental particle is a particle that is not made of other particles. An elementary particle can be one of two groups: a fermion or a boson. Fermionsare the building blocks of matter and have mass, while bosons behave as force carriers for fermion interactions and some of them have no mass.
Fermion
In particle physics, a fermion (a name coined by Paul Dirac from the surname of Enrico Fermi) is any particle characterized by Fermi–Dirac statistics. These particles obey the Pauli exclusion principle. Fermions include all quarks and leptons, as well as any composite particle made of an od…
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In particle physics, an elementary particle or fundamental particle is a subatomic particle that is not composed of other particles. Particles currently thought to be elementary include the fundamental fermions (quarks, leptons, antiquarks, and antileptons), which generally are "matter
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See moreAll elementary particles are either bosons or fermions. These classes are distinguished by their quantum statistics: fermions obey Fermi–Dirac statistics and bosons obey Bose–Einstein statistics. Their spin is
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See moreAccording to the current models of big bang nucleosynthesis, the primordial composition of visible matter of the universe should be about 75% hydrogen and 25% helium-4 (in mass). Neutrons are made up of one up and two down quarks, while protons are made of
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See moreThe Standard Model of particle physics contains 12 flavors of elementary fermions, plus their corresponding antiparticles, as well as elementary bosons that mediate the forces and the Higgs boson, which was reported on July 4, 2012, as having been likely detected by the two
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See moreAlthough experimental evidence overwhelmingly confirms the predictions derived from the Standard Model, some of its parameters were added
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See more1. ^ Braibant, Sylvie; Giacomelli, Giorgio; Spurio, Maurizio (2012). Particles and Fundamental Interactions: An introduction to particle physics (2nd ed.). Springer. ISBN 978-94-007-2463-1.
2. ^ Newburgh, Ronald; Peidle, Joseph; Rueckner, Wolfgang (2006)....
See moreGeneral readers
• Feynman, R.P. & Weinberg, S. (1987) Elementary Particles and the Laws of Physics: The 1986 Dirac...
See moreWikipedia text under CC-BY-SA licenseWas this helpful?Thanks! Give more feedback Elementary particles are particles with no measurable internal structure; that is, it is unknown whether they are composed of other particles. They are the fundamental objects of quantum field theory. Many families and sub-families of elementary particles exist. Elementary particles are classified according to their spin. Fermions have half-integer spin while bosons have integer spin. All the particles of the Standard Model have been experimentally observed, recently including the Hig…
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