Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-01-29
Nucl.Phys. A652 (1999) 73-87
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 3 Postscript figures
Scientific paper
10.1016/S0375-9474(99)00147-5
In the present paper we implement a non-trivial and renormalizable extension
of the NJL model. We discuss the advantages and shortcomings of this extended
model compared to a usual effective Pauli-Villars regularized version. We show
that both versions become equivalent in the case of a large cutoff. Various
relevant mesonic observables are calculated and compared.
Hiller Brigitte
Mota Andre L.
Nemes Carolina M.
Walliser Hans
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