Flavour-symmetry correction to the ''naive'' Zweig rule for the scalar-meson flavour singlet

Authors
van Beveren, E Rupp, G
Citation
E. Van Beveren et G. Rupp, Flavour-symmetry correction to the ''naive'' Zweig rule for the scalar-meson flavour singlet, PHYS LETT B, 454(1-2), 1999, pp. 165-170
Citations number
34
Categorie Soggetti
Physics
Journal title
PHYSICS LETTERS B
ISSN journal
03702693 → ACNP
Volume
454
Issue
1-2
Year of publication
1999
Pages
165 - 170
Database
ISI
SICI code
0370-2693(19990513)454:1-2<165:FCTT'Z>2.0.ZU;2-Y
Abstract
We present flavour-symmetric couplings for the OZI-allowed three-meson vert ices of effective meson theories, which, for the case of the two-meson chan nels to which the flavour-singlet scalar meson couples, are endowed with a correction factor with respect to the standard formula. (C) 1999 Elsevier S cience B.V. All rights reserved.