Masaq Index
arXiv 2016-01-25 DOI 10.1103/PhysRevD.93.094004 0 views

Next-to-leading order Balitsky-Kovchegov equation with resummation

Lappi, T. · Mäntysaari, H.

Original · EN

We solve the Balitsky-Kovchegov evolution equation at next-to-leading order accuracy including a resummation of large single and double transverse momentum logarithms to all orders. We numerically determine an optimal value for the constant under the large transverse momentum logarithm that enables including a maximal amount of the full NLO result in the resummation. When this value is used the contribution from the αₛ² terms without large logarithms is found to be small at large saturation scales and at small dipoles. Close to initial conditions relevant for phenomenological applications these fixed order corrections are shown to be numerically important.

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