High-Energy Limit of Quantum Electrodynamics beyond Sudakov Approximation
arXiv:1412.0671 · doi:10.1016/j.physletb.2015.04.036
Abstract
We study the high-energy behavior of the scattering amplitudes in quantum electrodynamics beyond the leading order of the small electron mass expansion in the leading logarithmic approximation. In contrast to the Sudakov logarithms, the mass-suppressed double-logarithmic radiative corrections are induced by a soft electron pair exchange and result in enhancement of the power-suppressed contribution. Possible applications of our result to the analysis of the high-energy processes in quantum chromodynamics is also discussed.
4 pages, 8 figures, asymptotic formula corrected, conclusions unchanged
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- Three-loop quark form factor at high energy: the leading mass corrections
- Factorization of Power Corrections in the Drell-Yan Process in EFT
- Resummation of double logarithms in loop-induced processes with effective field theory
- Unintegrated dipole gluon distribution at small transverse momentum
- Factorization at subleading power in deep inelastic scattering in the limit