The gluon jet function at two-loop order
Thomas Becher, Guido Bell
TL;DR
This paper calculates the inclusive gluon jet function at two-loop order, providing essential ingredients for precision resummation in collider physics involving low-mass gluon jets.
Contribution
It presents the first two-loop calculation of the gluon jet function and discusses the renormalization of power-suppressed two-gluon jet functions.
Findings
Two-loop gluon jet function computed and presented.
Power-suppressed two-gluon jet functions analyzed.
Renormalization properties discussed.
Abstract
The inclusive gluon jet function is evaluated at two-loop accuracy. This function is relevant for resummations of large perturbative logarithms in collider processes involving low-mass gluon jets. The jet function corresponds to the imaginary part of the gluon propagator in light-cone gauge, which is adopted for the calculation. In addition to the leading jet function, the power-suppressed two-gluon jet functions are given and their renormalization is discussed.
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