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Spectator interactions and factorization in $B \to \pi ell \nu$ decay

We investigate the factorization of different momentum modes that appear in matrix elements for exclusive B meson decays into light energetic particles for the specific case of B -> pi form factors at large pion recoil. We first integrate out hard modes with virtualities of order m_b^2 (m_b being...

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Detalles Bibliográficos
Autores principales:	Beneke, M., Feldmann, T.
Lenguaje:	eng
Publicado:	2003
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1140/epjcd/s2003-03-121-6 http://cds.cern.ch/record/640111

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