Scattering amplitudes with off-shell quarks
A. van Hameren, K. Kutak, T. Salwa
TL;DR
This paper introduces a method to compute gauge-invariant tree-level scattering amplitudes involving off-shell quarks, applicable to high-energy scattering processes, enhancing theoretical calculations in quantum chromodynamics.
Contribution
It provides a new prescription for calculating gauge-invariant amplitudes with off-shell initial-state quarks in high-energy scattering.
Findings
Enables calculation of gauge-invariant amplitudes with off-shell quarks.
Applicable to arbitrary high-energy scattering processes.
Improves theoretical tools for quantum chromodynamics.
Abstract
We present a prescription to calculate manifestly gauge invariant tree-level scattering amplitudes for arbitrary scattering processes with off-shell initial-state quarks within the kinematics of high-energy scattering.
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