Higher partial wave contamination in finite-volume 1-to-2 transitions

Higher partial wave contamination in finite-volume 1-to-2 transitions

Abstract In their seminal work, Lellouch and Lüscher derived a conversion factor relating a finite-volume matrix element, calculable using numerical lattice QCD, with the infinite-volume decay amplitude for K → ππ. The conversion factor depends on the ππ → ππ scattering amplitude with the same total...

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Bibliographic Details
Main Authors:	M. T. Hansen, T. Peterken
Format:	Article
Language:	English
Published:	SpringerOpen 2025-01-01
Series:	Journal of High Energy Physics
Subjects:	Hadronic Spectroscopy Structure and Interactions Lattice QCD
Online Access:	https://doi.org/10.1007/JHEP01(2025)052
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