High-Energy Limit of Mass-Suppressed Amplitudes in Gauge Theories
Tao Liu, Alexander A. Penin
TL;DR
This paper analyzes the high-energy behavior of mass-suppressed gauge theory amplitudes, focusing on double-logarithmic corrections and their impact on processes like Higgs production via gluon fusion.
Contribution
It provides a detailed factorization and all-order resummation framework for mass-suppressed amplitudes at high energies in gauge theories.
Findings
Resummation of double-logarithmic corrections for mass-suppressed amplitudes.
Application to estimate bottom quark contributions to Higgs production.
Enhanced understanding of asymptotic behavior in gauge theory amplitudes.
Abstract
We present a detailed analysis of the factorization and all-order resummation of the double-logarithmic radiative corrections which determine the asymptotic behavior of the gauge theory amplitudes suppressed by the leading power of the fermion mass in the limit of high-energy fixed-angle scattering. The result is applied to estimate the bottom quark mediated contribution to the Higgs boson production in gluon fusion.
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