QCD Sum Rule Approach to the New Mesons and the gDsJDK Coupling Constant
We use diquark-antidiquark currents to investigate the masses and partial decay widths of the recently observedmesons D+sJ(2317), D¤00 (2308) and X(3872), considered as four-quark states, in a QCD sum rule approach.In particular we investigate the coupling constant gDsJDK. We found that the gDsJDK o...
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| Udgivet i: | Brazilian Journal of Physics |
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| Hovedforfatter: | |
| Format: | Artigo |
| Sprog: | Inglês |
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Sociedade Brasileira de Física
2007
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| Online adgang: | https://www.redalyc.org/articulo.oa?id=46437517 |
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