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Meson PVV Interations are Determined by Quark Loops
Citation
Delbourgo, R and Liu, DS and Scadron, MD, Meson PVV Interations are Determined by Quark Loops, International Journal of Modern Physics A, 14, (27) pp. 4331-4345. ISSN 0217-751X (1999) [Refereed Article]
DOI: doi:10.1142/S0217751X99002049
Abstract
We show that all abnormal parity three-body meson interactions can be adequately described by quark loops, evaluated at zero external momentum, with couplings determined by U(Nf) symmetry. We focus primarily on radiative meson decays which involve one pseudoscalar. The agreement with experiment for nonrare decays is surprisingly good and requires very few parameters, namely the coupling constants gπqq and gpqq and some mixing angles. This agreement extends to some three-body decays that are dominated by pion pairs in a P-wave state.
Item Details
Item Type: | Refereed Article |
---|---|
Research Division: | Physical Sciences |
Research Group: | Other Physical Sciences |
Research Field: | Physical Sciences not elsewhere classified |
Objective Division: | Expanding Knowledge |
Objective Group: | Expanding Knowledge |
Objective Field: | Expanding Knowledge in the Physical Sciences |
UTAS Author: | Delbourgo, R (Professor Robert Delbourgo) |
UTAS Author: | Liu, DS (Dr Dongsheng Liu) |
UTAS Author: | Scadron, MD (Professor Scadron) |
ID Code: | 16541 |
Year Published: | 1999 |
Web of Science® Times Cited: | 15 |
Deposited By: | Physics |
Deposited On: | 1999-08-01 |
Last Modified: | 2000-05-30 |
Downloads: | 0 |
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