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Local-duality QCD sum rules for strong isospin breaking in the decay constants of heavy–light mesons
We discuss the leptonic decay constants of heavy–light mesons by means of Borel QCD sum rules in the local-duality (LD) limit of infinitely large Borel mass parameter. In this limit, for an appropriate choice of the invariant structures in the QCD correlation functions, all vacuum-condensate contrib...
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| Pubblicato in: | Eur Phys J C Part Fields |
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| Autori principali: | , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Springer Berlin Heidelberg
2018
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5902617/ https://ncbi.nlm.nih.gov/pubmed/29706794 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1140/epjc/s10052-018-5637-z |
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