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$B \to \pi \pi$ Decay in QCD

A new method is suggested to calculate the $B\to \pi\pi$ hadronic matrix elements from QCD light-cone sum rules. To leading order in $\alpha_s$ and $1/m_b$, the sum rule reproduces a factorizable matrix element, in accordance with the prediction of the QCD factorization approach. Whereas the QCD fac...

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Detalles Bibliográficos
Autor principal:	Khodjamirian, Alexander
Lenguaje:	eng
Publicado:	2000
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1016/S0550-3213(01)00194-8 http://cds.cern.ch/record/482007

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