Meson Loops and the gDD Coupling
The D∗Dπ form factor is evaluated at low and moderate Q2 in a hadronic loop model, for off-shell D mesons.The results contain arbitrary constants, which are fixed so as to match a previous QCD sum rule calculationvalid at higher Q2. The form factor obtained in this way is used to extract...
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| Udgivet i: | Brazilian Journal of Physics |
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| Principais autores: | , , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Sociedade Brasileira de Física
2006
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| Online adgang: | https://www.redalyc.org/articulo.oa?id=46436621 |
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