Abstract
We compute the leading mass corrections to the high-energy behavior of the massive quark vector form factor to three loops in QCD in the double-logarithmic approximation.
Highlights
We compute the leading mass corrections to the high-energy behavior of the massive quark vector form factor to three loops in QCD in the double-logarithmic approximation
The form factors of a massless quark have been evaluated through the three-loop approximation [1,2] and even to four loops in the leading-color approximation [3]
In the high-energy limit the corrections to the form factor can be expanded in a small ratio ρ = mq2/Q 2, where Q μ is the large momentum transfer
Summary
Three-loop quark form factor at high energy: The leading mass corrections We compute the leading mass corrections to the high-energy behavior of the massive quark vector form factor to three loops in QCD in the double-logarithmic approximation.
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