The rapidity dependence of the average transverse momentum in p+p and p+Pb collisions - revisited

Abstract

We revisit the rapidity dependence of the average transverse momentum $⟨p_T⟩$ in a $pp$ and $pA$ collision, using the high energy factorization (HEF). We update previous predictions for the $⟨p_T⟩$ both in central and forward rapidity region using parton densities following from extended BK and BFKL evolution equations to account for corrections of higher orders as well as one obtained by Sudakov resummation. Furthermore, we demonstrate that in the mid rapidity region the saturation based formalisms predict increase of the transversal momentum while in the forward rapidity region the $⟨p_T(y)⟩$ decreases.

10 pages, 10 figures

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• The Color Glass Condensate
• NLO evolution of color dipoles
• The ridge in proton-proton collisions at the LHC
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• Direct numerical solution of the coordinate space Balitsky-Kovchegov equation at next to leading order
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Cited by in corpus (1)

• Rapidity dependence of transverse-momentum multiplicity correlations