Abstract
By a generally accepted philosphy, the basic constituents of hadrons (protons, neutrons, mesons, etc.) are quarks. But quarks have never been directly confirmed by experiment because they have never been isolated. The proposition has been that quarks are permanently confined inside hadrons and cannot be liberated in high energy particle collisions. It is expected that pairs (and some triplets) of quarks are attracted by forces which increase linearly with the distance between quarks. Thus when the quarks are near to each other they behave like free particles (“asymptotic freedom”), while when they are separated their attractive forces keep them together in the form of a bound state. According to this philosophy, we observe only these bound states (i.e. protons, neutrons, mesons, etc.)
Lectures given at Institut d’Études Scientifiques de Cargèse, on “Bifurcation Phenomena in Mathematical Physics and Related Topics” (June 24 – July 7, 1979).
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Gidas, B. (1980). Euclidean Yang-Mills and Related Equations. In: Bardos, C., Bessis, D. (eds) Bifurcation Phenomena in Mathematical Physics and Related Topics. NATO Advanced Study Institutes Series, vol 54. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9004-3_15
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DOI: https://doi.org/10.1007/978-94-009-9004-3_15
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