Isospin breaking in the decay constants of heavy mesons from QCD sum rules
We present a study of the strong isospin-breaking (IB) effect, due in QCD to the difference between u- and d-quark masses, in the leptonic decay constants of charmed and beauty pseudoscalar and vector mesons using the method of QCD sum rules. We apply the sum-rule analysis to the decay constants of...
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| Principais autores: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Elsevier
2017-02-01
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| coleção: | Physics Letters B |
| Acesso em linha: | http://www.sciencedirect.com/science/article/pii/S0370269316307870 |
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