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One-loop Yang-Mills integrands from scattering equations

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We investigate in the context of the scattering equations, how one-loop linear propagator integrands in gauge theories can be linked to integrands with quadratic propagators using a double forward limit. We illustrate our procedure through examples and demonstrate how the different parts of the derived quadratic integrand are consistent with cut-integrands derived from four-dimensional generalized unitarity. We also comment on applications and discuss possible further generalizations.

OriginalsprogEngelsk
Artikelnummer045023
TidsskriftPhysical Review D
Vol/bind102
Udgave nummer4
Antal sider14
ISSN1550-7998
DOI
StatusUdgivet - 31 aug. 2020

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