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HK: Hadronen und Kerne
HK 68: Structure of Baryons, Mesons X, Theory
HK 68.4: Talk
Thursday, March 19, 1998, 15:30–15:45, J
Two-point correlation functions in the generalized NJL model — •H.-Ch. Kim, W. Broniowski, M.V. Polyakov, and K. Goeke — Institut für Theoretische Physik II, Ruhr-Universität Bochum, D-44780 Bochum Germany
We have studied the two-point correlation functions within the generalized Nambu–Jona-Lasinio model. The correlation functions have been derived in leading order in the 1/Nc expansion. The parameters of correlation functions which are related to the experimentally known phenomenological spectral densities have been fixed via dispersion relations. The results in each channel have been discussed.