Abstract
The current vision of the submicroscopic world is based on a relatively small number of constituents that interact through three fundamental interactions: the electromagnetic, the weak and the strong interactions. The behavior of matter at the smallest distances currently accessible (about \(1{0}^{-17}\) m) is explained in terms of fundamental point-like and indivisible fermions (quarks and leptons) and of vector bosons which mediate the interactions between fermions.
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- 1.
The muon μ was originally called μ meson. However, it is not a meson according to the definition stating that a meson is a particle made of a \(q\overline{q}\) pair; therefore, it is not correct to call “meson” the μ lepton.
- 2.
The symbol Ω, which corresponds to the last letter of the Greek alphabet was chosen because, according to SU(3) f , it was supposed to be the last fundamental particle that remained to be discovered! Only three of the six existing quarks were known at that time, and SU(3) f is only an approximate symmetry.
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© 2011 Springer Science+Business Media B.V.
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Braibant, S., Giacomelli, G., Spurio, M. (2011). Hadron Interactions at Low Energies and the Static Quark Model. In: Particles and Fundamental Interactions. Undergraduate Lecture Notes in Physics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2464-8_7
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DOI: https://doi.org/10.1007/978-94-007-2464-8_7
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Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-007-2463-1
Online ISBN: 978-94-007-2464-8
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