Scattering amplitudes with off-shell quarks

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.

17 pages, references added, calculation included to indicate equivalence with effective action approach

References in corpus (7)

• Helicity amplitudes for high-energy scattering
• Dijet azimuthal decorrelations at the LHC in the parton Reggeization approach
• Multi-gluon helicity amplitudes with one off-shell leg within high energy factorization
• Deep inelastic scattering and prompt photon production within the framework of quark Reggeization hypothesis
• Open charm production at high energies and the quark Reggeization hypothesis
• TMD PDFs: a Monte Carlo implementation for the sea quark distribution
• Gauge links, TMD-factorization, and TMD-factorization breaking

Cited by in corpus (39)

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• BCFW recursion for TMD parton scattering
• Single and pair $J/\psi$ production in the Improved Color Evaporation Model using the Parton Reggeization Approach
• Open charm production in the parton Reggeization approach: from Tevatron to LHC
• Prospects for quarkonium studies at the high-luminosity LHC
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• Exploring minijets beyond the leading power
• Charm quark and meson production in association with single-jet at the LHC
• A detail study of the LHC and TEVATRON hadron-hadron prompt-photon pair production experiments in the angular ordering constraint k_t-factorization approaches
• Numerical evaluation of multi-gluon amplitudes for High Energy Factorization
• On relation between Parton Branching Approach and CCFM evolution
• Evidence in favor of Single Parton Scattering mechanism in ${\rm Y}$ and $D$ associated production at the LHC
• Associated production of heavy quarkonium and $D-$meson in the improved color evaporation model with KaTie
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• Calculating off-shell one-loop amplitudes for $k_T$-dependent factorization: a proof of concept
• Pair production of heavy quarkonia in the color evaporation model
• Production of three isolated photons in the parton Reggeization approach at high energies
• A note on QED gauge invariance of off-shell amplitudes
• Associated production of $J/\psi$ plus $Z(W)$ in the improved color evaporation model using the parton Reggeization approach
• The P-P(P) cross-section of isolated single-photon production in the $k_t$-factorization and different angular ordering unintegrated parton distributions frameworks
• Angular decorrelations in $\gamma +2jet$ events at high energies in the parton Reggeization approach
• Unintegrated gluon distributions for forward jets at LHC
• QCD theory overview
• Charmonium pair production at the LHCb in the ICEM using the $k_T$-factorization: DPS versus SPS
• QCD amplitudes with 2 initial spacelike legs via generalised BCFW recursion
• Pgg TMD splitting function in kT factorization
• D and B-meson production using kt-factorization calculations in a variable-flavor-number scheme
• Novel Heavy-Quark Physics Phenomena
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