Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-07-13
Phys.Lett. B362 (1995) 113-122
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, latex, uses elsart.sty, 2 figures available upon request
Scientific paper
10.1016/0370-2693(95)01170-U
First we review the derivation of the relativistic flux tube model for a quark-antiquark system from Wilson area law as we have given in a preceding paper. Then we extend the method to the three-quark case and obtain a Lagrangian corresponding to a star flux tube configuration. A Hamiltonian can be explicitly constructed as an expansion in $1 / m^2$ or in the string tension $\sigma$. In the first case it reproduces the Wilson loop three-quark semirelativistic potential; in the second one, very complicated in general, but it reproduces known string models for slowly rotating quarks.
Brambilla Nora
Prosperi G. M.
Vairo Antonio
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