arXiv:1308.2861·v3·High Energy Physics — Phenomenology
Scattering amplitudes with off-shell quarks
A. van Hameren🇵🇱 · K. Kutak🇵🇱 · T. Salwa🇵🇱
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.
Comments: 17 pages, references added, calculation included to indicate equivalence with effective action approach