Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-02-09
Nucl.Phys. B410 (1993) 55-89
Physics
High Energy Physics
High Energy Physics - Phenomenology
43 pages + 9 figures available upon request, SUNY-NTG-92/40
Scientific paper
10.1016/0550-3213(93)90573-8
A general model-independent discussion of mesonic correlation functions is given. We derive new inequalities, including one stronger than Weingarten's inequality. Mesonic correlation functions are calculated in the random instanton vacuum and are compared with phenomenological expectations and lattice results. Both diagonal and non-diagonal correlators of all strange and light flavored currents, as well as the most important unflavored ones are considered. Our results are used to extract the masses and the coupling constants of the corresponding mesons. Not only the qualitative behaviour is reproduced in all channels, but in several channels the model works with amazing accuracy
Shuryak Edward V.
Verbaarschot Jacobus J. M.
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