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Analytic structure of three-mass triangle coefficients / N.E.J Bjerrum-Bohr, David Dunbar, Warren Perkins

Journal of High Energy Physics, Volume: 2008, Issue: 04, Pages: 038 - 038

Swansea University Authors: David Dunbar, Warren Perkins

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Abstract

``Three-mass triangles'' are a class of integral functions appearing in one-loop gauge theory amplitudes. We discuss how the complex analytic properties and singularity structures of these amplitudes can be combined with generalised unitarity techniques to produce compact expressions for t...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: 2008
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URI: https://cronfa.swan.ac.uk/Record/cronfa1150
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Abstract: ``Three-mass triangles'' are a class of integral functions appearing in one-loop gauge theory amplitudes. We discuss how the complex analytic properties and singularity structures of these amplitudes can be combined with generalised unitarity techniques to produce compact expressions for three-mass triangle coefficients. We present formulae for the Script N = 1 contributions to the n-point NMHV amplitude.
College: College of Science
Issue: 04
Start Page: 038
End Page: 038