On the collision of two projectiles on two targets in the BFKL approach [PDF]
M. A. BraunHigh-energy collisions of two nucleons on two nucleons are studied in the BFKL approach in the leading approximation in $\alpha_sN_c$. Diagrams with redistribution of colour are considered. It is found that intermediate BKP states consisting of 4 reggeized gluons give a contribution which may be leading in deuteron-deuteron scattering and thus experimentally observable.View original: http://arxiv.org/abs/1301.4846
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