Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-11-10
JHEP 1101:135,2011
Physics
High Energy Physics
High Energy Physics - Theory
v2: corrected typo in abstract
Scientific paper
10.1007/JHEP01(2011)135
We present an analytic technique for evaluating single cuts for one-loop integrands, where exactly one propagator is taken to be on shell. Our method extends the double-cut integration formalism of one-loop amplitudes to the single-cut case. We argue that single cuts give meaningful information about amplitudes when taken at the integrand level. We discuss applications to the computation of tadpole coefficients.
Britto Ruth
Mirabella Edoardo
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