On phase-space integrals with Heaviside functions
Abstract We discuss peculiarities that arise in the computation of real-emission contributions to observables that contain Heaviside functions. A prominent example of such a case is the zero-jettiness soft function in SCET, whose calculation at next-to-next-to-next-to-leading order in perturbative Q...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2022-02-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | https://doi.org/10.1007/JHEP02(2022)081 |