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Diagrammar in an extended theory of gravity / David Dunbar, John H. Godwin, Guy R. Jehu, Warren Perkins

Physics Letters B, Volume: 771, Pages: 230 - 234

Swansea University Authors: David Dunbar, Warren Perkins

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Abstract

We show how the S-matrix of an extended theory of gravity defined by itsthree-point amplitudes can be constructed by demanding factorisation. Theresultant S-matrix has tree amplitudes obeying the same soft singularitytheorems as Einstein gravity including the sub-sub-leading terms.

Published in: Physics Letters B
ISSN: 03702693
Published: 2017
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa32149
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Abstract: We show how the S-matrix of an extended theory of gravity defined by itsthree-point amplitudes can be constructed by demanding factorisation. Theresultant S-matrix has tree amplitudes obeying the same soft singularitytheorems as Einstein gravity including the sub-sub-leading terms.
College: College of Science
Start Page: 230
End Page: 234