All-plus helicity off-shell gauge invariant multigluon amplitudes at one loop

A bstract We calculate one loop scattering amplitudes for arbitrary number of positive helicity on-shell gluons and one off-shell gluon treated within the quasi-multi Regge kinematics. The result is fully gauge invariant and possesses the correct on-shell limit. Our method is based on embedding the...

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Bibliographic Details
Published in:The journal of high energy physics 2020-12, Vol.2020 (12), p.1-22, Article 158
Main Authors: Blanco, Etienne, van Hameren, Andreas, Kotko, Piotr, Kutak, Krzysztof
Format: Article
Language:English
Subjects:
Amplitudes
Classical and Quantum Gravitation
Elementary Particles
Gauge invariance
Gluons
Helicity
High energy physics
Invariants
Kinematics
Perturbative QCD
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Scattering Amplitudes
String Theory
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Summary:A bstract We calculate one loop scattering amplitudes for arbitrary number of positive helicity on-shell gluons and one off-shell gluon treated within the quasi-multi Regge kinematics. The result is fully gauge invariant and possesses the correct on-shell limit. Our method is based on embedding the off-shell process, together with contributions needed to retain gauge invariance, in a bigger fully on-shell process with auxiliary quark or gluon line.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP12(2020)158