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The multiplets of finite-width 0++mesons and encounters with exotics

✍ Scribed by M. Majewski


Book ID
111626527
Publisher
Springer-Verlag
Year
2006
Tongue
English
Weight
466 KB
Volume
46
Category
Article
ISSN
1434-6044

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Finite energy sum rule determination of
✍ Kim Maltman πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 245 KB

A form of QCD sum rules, tested and found to be very reliable in the isovector vector channel, is used to determine the scalar current decay constants of the a0 resonances. Comparison to the corresponding decay constant of the K~( 1430) is used to shed light on the nature of the a0(980). It is shown