Volume 297 -
XXV International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2017) -
WG2 Low x and Diffraction
Violation of a simple factorized form of QCD amplitudes and Regge cuts
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Pre-published on:
September 22, 2017
Published on:
January 16, 2018
Abstract
A simple factorized form of high energy QCD amplitudes with gluon quantum numbers in the cross channels and negative signature is known to be violated in the next-to-next-to-leading logarithmic approximation (NNLLA). The violation is explained by contributions of three-Reggeon cuts. The contributions of the cuts to the elastic amplitudes and the consequent need to change the scheme of derivation of the BFKL equation in the NNLLA is discussed.
DOI: https://doi.org/10.22323/1.297.0042
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.