Next-to-leading gluonic reggeons in the high-energy effective action

Details Next-to-leading gluonic reggeons in the high-energy effective action Next-to-leading gluonic reggeons in the high-energy effective action

1997-12-19

arxiv.org/abs/hep-ph/9712456v2

Phys.Rev.D58:014004,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages in LATEX, 4 eps figures, references added

Scientific paper

10.1103/PhysRevD.58.014004

We study the next-to-leading gluon exchange in the high-energy scattering that contributes to the amplitude to order $s^0$ up to logarithmic corrections. Similar to the leading gluon exchange these contribution can be described in terms of reggeon exchanges. There are several gluonic reggeons at the next-to-leading level. Some of them transfer parity or gauge group representation different from the leading gluonic reggeon. Unlike the leading one they are sensitive to the helicity and transverse momenta of the scattering partons. We extend the high-energy effective action and derive from the action of gluodynamics the terms describing the next-to-leading reggeons and their interaction in the multi-Regge approximation.

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