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arXiv · hep-ph/0503015

Transverse-Momentum-Dependent Gluon Distributions and Semi-inclusive Processes at Hadron Colliders

Xiangdong Ji·Jian-Ping Ma·Feng Yuan
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Abstract

We study transverse-momentum-dependent (TMD) gluon distributions and factorization theorems for the gluon-initiated semi-inclusive processes at hadron colliders. Gauge-invariant TMD gluon distributions are defined, and their relations to the integrated (Feynman) parton distributions are explored when the transverse momentum is large. Through explicit calculations, soft-collinear factorization is verified at one-loop order for scalar particle production. Summation over large double logarithms is made through solving the Collins-Soper equation. We reproduce the known result in the limit that the transverse momentum of the scalar is large.

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Xiangdong Ji, Jian-Ping Ma, Feng Yuan. 2005-03-24. Transverse-Momentum-Dependent Gluon Distributions and Semi-inclusive Processes at Hadron Colliders. https://doi.org/10.1088/1126-6708%2F2005%2F07%2F020

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