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Flatte-like distributions and the a_0(980)/f_0(980) mesons | V. Baru
; J. Haidenbauer
; C. Hanhart
; A. Kudryavtsev
; Ulf-G. Meissner
; | Date: |
25 Oct 2004 | Journal: | Eur.Phys.J. A23 (2005) 523-533 | Subject: | nucl-th hep-ph | Abstract: | We explore the features of Flatte-like parametrizations. In particular, we demonstrate that the large variation in the absolute values of the coupling constants to the pi-eta (or pi-pi) and KKbar channels for the a_0(980) and f_0(980) mesons that one can find in the literature can be explained by a specific scaling behaviour of the Flatte amplitude for energies near the KKbar threshold. We argue that the ratio of the coupling constants can be much better determined from a fit to experimental data. | Source: | arXiv, nucl-th/0410099 | Other source: | [GID 649629] nucl-th/0410099 | Services: | Forum | Review | PDF | Favorites |
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