The role of double helicity-flip amplitudes in small-angle elastic pp-scattering

Abstract

We asses a role of the double helicity-flip amplitudes in small-angle elastic pp-scattering and obtain a new unitary bound for the double helicity-flip amplitude F_2 in elastic pp-scattering at small values of t on the basis of the U-matrix method of the s-channel unitarization.

Comments: 8 pages, minor corrections