Angular and long range rapidity correlations in particle production at
high energy [PDF]
Alex Kovner, Michael LublinskyWe discuss the general mechanism leading to long-range rapidity and angular correlations produced in high energy collisions (the "ridge"). This effect naturally appears in the high energy QCD and is strongly sensitive to physics of the gluon saturation. We comment on various recent practical realizations of the main idea, paying special attention to $N_c$ counting and stress the relevance of Pomeron loops.View original: http://arxiv.org/abs/1211.1928
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