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B meson decay constants f(Bc), f(Bs) and f(B) from QCD sum rules

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dc.contributor.author	Baker, Michael J.
dc.contributor.author	Bordes Villagrasa, José M.
dc.contributor.author	Domínguez, Cesáreo A.
dc.contributor.author	Peñarrocha Gantes, José Antonio
dc.contributor.author	Schilcher, K.
dc.date.accessioned	2014-09-24T10:06:06Z
dc.date.available	2014-09-24T10:06:06Z
dc.date.issued	2014
dc.identifier.citation	Baker, Michael J. Bordes Villagrasa, José M. Domínguez, Cesareo A. Peñarrocha Gantes, José Antonio Schilcher, K. 2014 B meson decay constants f(Bc), f(Bs) and f(B) from QCD sum rules Journal of High Energy Physics 07 7 032-1 032-16
dc.identifier.uri	http://hdl.handle.net/10550/38946
dc.description.abstract	Finite energy QCD sum rules with Legendre polynomial integration kernels are used to determine the heavy meson decay constant f(Bc), and revisit f(B) and f(Bs). Results exhibit excellent stability in a wide range of values of the integration radius in the complex squared energy plane, and of the order of the Legendre polynomial. Results are f(Bc) = 528 +/- 19 MeV, f(B) = 186 +/- 14 MeV, and f(Bs) = 222 +/- 12 MeV.
dc.language.iso	eng
dc.relation.ispartof	Journal of High Energy Physics, 2014, vol. 07, num. 7, p. 032-1-032-16
dc.subject	Física
dc.title	B meson decay constants f(Bc), f(Bs) and f(B) from QCD sum rules
dc.type	journal article	es_ES
dc.date.updated	2014-09-24T10:06:06Z
dc.identifier.doi	10.1007/JHEP07(2014)032
dc.identifier.idgrec	099163
dc.rights.accessRights	open access	es_ES