Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-01-07
Phys.Lett. B328 (1994) 137-142
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, uses TeXsis or mTeXsis.tex,CPP-94-2,DOE/ER/40427-01-N94
Scientific paper
10.1016/0370-2693(94)90441-3
It is argued that constituent quarks live in an effective theory that possesses an approximate conformal invariance. An effective lagrangian is constructed which in the large-$\nc$ approximation incorporates Regge asymptotic constraints. The resulting picture explains why linear-sigma models provide successful constituent quark descriptions, both at zero and finite temperature. Our analysis suggests an interesting relation between non-linearly realized conformal invariance and the completion of chiral multiplets in the broken symmetry phase.
Beane Silas R.
Kolck Ubirajara van
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