One-loop Parke-Taylor factors for quadratic propagators from massless scattering equations

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DC Field	Value	Language
dc.contributor.author	Gomez, Humberto	-
dc.contributor.author	Lopez-Arcos, Cristhiam	-
dc.contributor.author	Talavera, Pedro	-
dc.date.accessioned	2019-07-08T22:14:49Z	-
dc.date.available	2019-07-08T22:14:49Z	-
dc.date.issued	2017-10-01	-
dc.identifier.issn	11266708	-
dc.identifier.uri	https://repository.usc.edu.co/handle/20.500.12421/276	-
dc.description.abstract	In this paper we reconsider the Cachazo-He-Yuan construction (CHY) of the so called scattering amplitudes at one-loop, in order to obtain quadratic propagators. In theories with colour ordering the key ingredient is the redefinition of the Parke-Taylor factors. After classifying all the possible one-loop CHY-integrands we conjecture a new one-loop amplitude for the massless Bi-adjoint Φ3 theory. The prescription directly reproduces the quadratic propagators of the traditional Feynman approach. © 2017, The Author(s).	en_US
dc.language.iso	en	en_US
dc.publisher	Springer Verlag	en_US
dc.subject	Differential and Algebraic Geometry	en_US
dc.subject	Scattering Amplitudes	en_US
dc.subject	Superstrings and Heterotic Strings	en_US
dc.title	One-loop Parke-Taylor factors for quadratic propagators from massless scattering equations	en_US
dc.type	Article	en_US
Appears in Collections:	Artículos Científicos

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