Perturbative scattering amplitudes
see also Gauge Theory, Quantum Field Theory, Twistor String Theory
reviews
Progress on Ultraviolet Finiteness of Supergravity
by Z. Bern, J. J. M. Carrasco, H. Johansson (0902.3765 [hep-th] 20 pages, 8 figures)
Scattering Amplitudes, Wilson Loops and the String/Gauge Theory Correspondence
by Luis F. Alday, Radu Roiban [0807.1889, 100 pages]
Gluon scattering in N=4 super-Yang-Mills theory from weak to strong coupling
by Lance J. Dixon (0803.2475 [hep-th], 20 pages, 10 figures)
On-Shell Methods in Perturbative QCD
by Zvi Bern, Lance J. Dixon, David A. Kosower (0704.2798, 49 pages, 15 figures)
Multi-Parton Amplitudes in Gauge Theories
by Michelangelo Mangano, Stephen Parke (hep-th/0509223 84 pages, 12 figures)
Progress in One-Loop QCD Computations
by Z. Bern, L. Dixon, D. A. Kosower (hep-ph/9602280)
Calculating Scattering Amplitudes Efficiently
by Lance Dixon (hep-ph/9601359 45 pages, 11 figures)
String-Based Perturbative Methods for Gauge Theories
by Zvi Bern (hep-ph/9304249, 66 pages)
papers
recursion relations
New Recursion Relations for Tree Amplitudes of Gluons
by Ruth Britto, Freddy Cachazo, Bo Feng (hep-th/0412308 27 pages, 6 figures)
Direct Proof Of Tree-Level Recursion Relation In Yang-Mills Theory
by Ruth Britto, Freddy Cachazo, Bo Feng, Edward Witten (hep-th/0501052 10 pages, 1 figure)
Bootstrapping One-Loop QCD Amplitudes with General Helicities
by Carola F. Berger, Zvi Bern, Lance J. Dixon, Darren Forde, David A. Kosower (hep-ph/0604195, 77 pages, 17 figures)