CutTools: a program implementing the OPP reduction method to compute one-loop amplitudes. We present a program that implements the OPP reduction method to extract the coefficients of the one-loop scalar integrals from a user defined (sub)-amplitude or Feynman Diagram, as well as the rational terms coming from the 4-dimensional part of the numerator. The rational pieces coming from the epsilon-dimensional part of the numerator are treated as an external input, and can be computed with the help of dedicated tree-level like Feynman rules. Possible numerical instabilities are dealt with the help of arbitrary precision routines, that activate only when needed.

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  1. Bloch, Spencer; Vanhove, Pierre: The elliptic dilogarithm for the sunset graph (2015)
  2. Hespel, Beno^ıt; López-Val, David; Vryonidou, Eleni: Higgs pair production via gluon fusion in the two-Higgs-doublet model (2014)
  3. Donati, Alice M.; Pittau, Roberto: Gauge invariance at work in FDR: $H\to \gamma\gamma$ (2013)
  4. Feng, Bo; Huang, Rijun: The classification of two-loop integrand basis in pure four-dimension (2013)
  5. Feng, Bo; Wang, Honghui: Analytic structure of one-loop coefficients (2013)
  6. Huang, Rijun; Zhang, Yang: On genera of curves from high-loop generalized unitarity cuts (2013)
  7. Mastrolia, Pierpaolo; Mirabella, Edoardo; Ossola, Giovanni; Peraro, Tiziano: Multiloop integrand reduction for dimensionally regulated amplitudes (2013)
  8. Søgaard, Mads: Global residues and two-loop hepta-cuts (2013)
  9. Søgaard, Mads; Zhang, Yang: Multivariate residues and maximal unitarity (2013)
  10. Bailey, D.H.; Barrio, R.; Borwein, J.M.: High-precision computation: mathematical physics and dynamics (2012)
  11. Britto, Ruth; Mirabella, Edoardo: External leg corrections in the unitarity method (2012)
  12. Ita, Harald; Ozeren, Kemal: Colour decompositions of multi-quark one-loop QCD amplitudes (2012)
  13. Pittau, R.: Primary Feynman rules to calculate the $\epsilon$-dimensional integrand of any 1-loop amplitude (2012)
  14. Worek, Malgorzata: On the next-to-leading order QCD $ \mathcalK $-factor for $ t\overline t b\overline b $ production at the TeVatron (2012)
  15. Alwall, Johan; Herquet, Michel; Maltoni, Fabio; Mattelaer, Olivier; Stelzer, Tim: MadGraph 5: going beyond (2011)
  16. Badger, S.; Biedermann, B.; Uwer, P.: NGluon: A package to calculate one-loop multi-gluon amplitudes (2011)
  17. Bern, Zvi; Carrasco, John Joseph; Dixon, Lance J.; Johansson, Henrik; Roiban, Radu: Amplitudes and ultraviolet behavior of $\cal N=8$ supergravity (2011)
  18. Boughezal, Radja; Ridder, Aude Gehrmann-De; Ritzmann, Mathias: Antenna subtraction at NNLO with hadronic initial states: double real radiation for initial-initial configurations with two quark flavours (2011)
  19. Britto, Ruth: Loop amplitudes in gauge theories: modern analytic approaches (2011)
  20. Britto, Ruth; Mirabella, Edoardo: Single cut integration (2011)

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