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Decoupling confinement and chiral symmetry breaking [electronic resource] : an explicit model

Published
Washington, D.C. : United States. Dept. of Energy, 1991.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
page(s) 969-974 : digital, PDF file
Additional Creators
Thomas Jefferson National Accelerator Facility (U.S.), United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Using a covariant model of mesons developed previously, we obtain new numerical solutions for the light-quark sector, and show explicitly how the small mass of the pion emerges as a natural consequence of chiral-symmetry breaking. Then we generalize the model, and show how chiral-symmetry breaking and confinement could be realized through completely independent mechanisms with different mass scales. In particular, the confining potential can be chosen to be purely scalar, as suggested by lattice studies and phenomenology, and the remaining part of the interaction can be chosen to be chirally invariant. In a symmetry-breaking mode, this new model can still generate quark mass and a massless-pion bound state.
Report Numbers
E 1.99:cebaf-th-91-15
E 1.99: w&m-91-110
w&m-91-110
cebaf-th-91-15
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Other Subject(s)
Note
Published through SciTech Connect.
10/01/1991.
"cebaf-th-91-15"
" w&m-91-110"
Physical Review D 45 FT
Gross, Franz; Milana, Joe.
Funding Information
AC05-84ER40150
View MARC record | catkey: 14712720