Anomalous dimension of subleading-power N-jet operators
Martin Beneke, Mathias Garny, Robert Szafron, Jian Wang
TL;DR
This paper calculates the one-loop anomalous dimensions of subleading-power N-jet operators in soft-collinear effective theory, aiding the resummation of logarithmic terms in high-energy particle collisions.
Contribution
It provides the first explicit one-loop results for fermion-number two N-jet operators at subleading power in soft-collinear effective theory.
Findings
Explicit one-loop anomalous dimension for fermion-number two N-jet operators.
Framework for resumming logarithmic corrections beyond leading power.
Advances understanding of subleading contributions in jet processes.
Abstract
We begin a systematic investigation of the anomalous dimension of subleading power N-jet operators in view of resummation of logarithmically enhanced terms in partonic cross sections beyond leading power. We provide an explicit result at the one-loop order for fermion-number two N-jet operators at the second order in the power expansion parameter of soft-collinear effective theory.
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