Three-loop soft function for heavy-to-light quark decays

Abstract We compute the 1-jettiness soft function for the decay of a heavy quark into a light quark jet plus colorless particles at three-loop order in soft-collinear effective theory. The 1-jettiness measurement fixes the total small light-cone momentum component of the soft radiation with respect...

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Bibliographic Details
Main Authors: Robin Brüser, Ze Long Liu, Maximilian Stahlhofen
Format: Article
Language:English
Published: SpringerOpen 2020-03-01
Series:Journal of High Energy Physics
Subjects:
Online Access:http://link.springer.com/article/10.1007/JHEP03(2020)071