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It is shown how tree-level multi-gluon helicity amplitudes with an arbitrary number of off-shell external gluons can be calculated via BCFW recursion.
L. Gribov, E. Levin, and M. Ryskin, Semihard Processes in QCD
1983
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S. J. Parke and T. Taylor, An Amplitude for n n Gluon Scattering
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F. A. Berends and W. Giele, Recursive Calculations for Processes with n Gluons
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S. Catani, M. Ciafaloni, and F. Hautmann, High-energy factorization and small x heavy flavor production
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J. C. Collins and R. K. Ellis, Heavy quark production in very high-energy hadron collisions
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M. L. Mangano and S. J. Parke, Multiparton amplitudes in gauge theories
1991
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S. Catani and F. Hautmann, High-energy factorization and small x deep inelastic scattering beyond leading order
1994
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L. Lipatov, Gauge invariant effective action for high-energy processes in QCD
1995
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E. Antonov, L. Lipatov, E. Kuraev, and I. Cherednikov, Feynman rules for effective Regge action
2005
Cited alongside, same era.
R. Britto, F. Cachazo, and B. Feng, New recursion relations for tree amplitudes of gluons
2005
Cited alongside, same era.
P. Kotko, Wilson lines and gauge invariant off-shell amplitudes
Cited in the paper.
R. Britto, F. Cachazo, B. Feng, and E. Witten, Direct proof of tree-level recursion relation in Yang-Mills theory
2005
Later among the works it cites.
A. van Hameren, P. Kotko, and K. Kutak, Multi-gluon helicity amplitudes with one off-shell leg within high energy factorization
2012
Later among the works it cites.
A. van Hameren, P. Kotko, and K. Kutak, Helicity amplitudes for high-energy scattering
2013
Later among the works it cites.
A. van Hameren, K. Kutak, and T. Salwa, Scattering amplitudes with off-shell quarks
2013
Later among the works it cites.
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