Disentangling the Regge Cut and Regge Pole in Perturbative QCD
The high-energy limit of gauge-theory amplitudes features both a Regge pole and Regge cuts. We show how to disentangle these, and hence how to determine the Regge trajectory beyond two loops. While the nonplanar part of multiple Reggeon t-channel exchange forms a Regge cut, the planar part contribut...
Main Authors: | Falcioni, G. (Author), Gardi, E. (Author), Maher, N. (Author), Milloy, C. (Author), Vernazza, L. (Author) |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2022
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Subjects: | |
Online Access: | View Fulltext in Publisher |
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