Regge Cuts and NNLLA BFKL

Authors

  • V. S. Fadin G.I. Budker Institute of Nuclear Physics of SD RAS, Novosibirsk State University

DOI:

https://doi.org/10.15407/ujpe64.8.678

Keywords:

gluon Reggeization, BFKL equation, Regge cuts

Abstract

In the leading and next-to-leading logarithmic approximations, QCD amplitudes with gluon quantum numbers in cross-channels and negative signature have the pole form corresponding to a reggeized gluon. The famous BFKL equation was derived using this form. In the next-to-next-to-leading approximation (NNLLA), the pole form is violated by contributions of Regge cuts. We discuss these contributions and their impact on the derivation of the BFKL equation in the NNLLA.

References

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Published

2019-09-18

How to Cite

Fadin, V. S. (2019). Regge Cuts and NNLLA BFKL. Ukrainian Journal of Physics, 64(8), 678. https://doi.org/10.15407/ujpe64.8.678

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