Helicity amplitudes for high-energy scattering

A bstract We present a prescription to calculate manifestly gauge invariant tree-level helicity amplitudes for arbitrary scattering processes with off-shell initial-state gluons within the kinematics of high-energy scattering. We show that it is equivalent to Lipatov’s effective action approach, and...

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Bibliographic Details
Published in:The journal of high energy physics 2013-01, Vol.2013 (1), p.1-26, Article 78
Main Authors: van Hameren, A., Kotko, P., Kutak, K.
Format: Article
Language:English
Subjects:
Amplitudes
Classical and Quantum Gravitation
Elementary Particles
Equivalence
Gluons
Helicity
High energy physics
Invariants
Kinematics
Mathematical analysis
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Relativity Theory
Scattering
String Theory
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Summary:A bstract We present a prescription to calculate manifestly gauge invariant tree-level helicity amplitudes for arbitrary scattering processes with off-shell initial-state gluons within the kinematics of high-energy scattering. We show that it is equivalent to Lipatov’s effective action approach, and show its computational potential through numerical calculations for scattering processes with several particles in the final state.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP01(2013)078