Off-shell vertices in heavy particle effective theories and B → Dπℓν

Off-shell vertices in heavy particle effective theories and B → Dπℓν

Abstract We study the modifications to decay amplitudes in heavy to heavy semileptonic decays with multiple hadrons in the final state due to intermediate heavy hadrons being off-shell or having a finite width. Combining Heavy Hadron Chiral Perturbation Theory (HHχPT) with a BCFW on-shell factorizat...

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Bibliographic Details
Main Authors:	Michele Papucci, Ryan Plestid
Format:	Article
Language:	English
Published:	SpringerOpen 2025-06-01
Series:	Journal of High Energy Physics
Subjects:	Chiral Lagrangian Effective Field Theories Scattering Amplitudes Semi-Leptonic Decays
Online Access:	https://doi.org/10.1007/JHEP06(2025)190
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