Transverse Momentum Dependent Parton Distributions at Small-x

Abstract

We study the transverse momentum dependent (TMD) parton distributions at small-x in a consistent framework that takes into account the TMD evolution and small-x evolution simultaneously. The small-x evolution effects are included by computing the TMDs at appropriate scales in terms of the dipole scattering amplitudes, which obey the relevant Balitsky-Kovchegov equation. Meanwhile, the TMD evolution is obtained by resumming the Collins-Soper type large logarithms emerged from the calculations in small-x formalism into Sudakov factors.

23 pages, 9 figures

References in corpus (4)

• Universality of Unintegrated Gluon Distributions at small x
• kt-factorization for Hard Processes in Nuclei
• The Construction of Gauge-Links in Arbitrary Hard Processes
• Sudakov Resummation in Small-x Saturation Formalism

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