X (3872) in QCD sum rules
QCD spectral sum rules is used to test the nature of the meson X(3872), assumed to be an exotic four-quark $(c\bar{c}q\bar{q})$ state with J PC = 1++. For definiteness, the current proposed recently by Maiani et al [1] is used, at leading order in alphas, considering the contributions of higher dime...
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| Gepubliceerd in: | Brazilian Journal of Physics |
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| Hoofdauteur: | |
| Formaat: | Artigo |
| Taal: | Inglês |
| Gepubliceerd in: |
Sociedade Brasileira de Física
2007
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| Onderwerpen: | |
| Online toegang: | https://www.redalyc.org/articulo.oa?id=46413544020 |
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