• CutTools

  • Referenced in 102 articles [sw07230]
  • reduction method to compute one-loop amplitudes. We present a program that implements ... one-loop scalar integrals from a user defined (sub)-amplitude or Feynman Diagram, as well...
  • BlackHat

  • Referenced in 73 articles [sw10450]
  • implementation of on-shell methods for one-loop amplitudes. We present the first results from ... automated C++ program for calculating one-loop amplitudes. The program implements the unitarity method...
  • GoSam

  • Referenced in 27 articles [sw07310]
  • allows for the automated calculation of one-loop amplitudes for multi-particle processes in renormalizable ... quantum field theories. The amplitudes, which are generated in terms of Feynman diagrams ... GoSam can be used to calculate one-loop QCD and/or electroweak corrections to Standard Model...
  • NGluon

  • Referenced in 18 articles [sw06832]
  • NGluon: A package to calculate one-loop multi-gluon amplitudes. We present a computer library ... colour-ordered n-gluon amplitudes at one-loop order in pure Yang--Mills theory...
  • Golem95C

  • Referenced in 10 articles [sw06046]
  • form factors entering the calculation of one-loop amplitudes which supports the use of complex ... used to calculate one-loop amplitudes with arbitrary masses in an algebraic approach as well...
  • SAMURAI

  • Referenced in 28 articles [sw09145]
  • Scattering amplitudes from unitarity-based reduction algorithm at the integrand-level. SAMURAI is a tool ... automated numerical evaluation of one-loop corrections to any scattering amplitudes within the dimensional-regularization...
  • FeynArts

  • Referenced in 115 articles [sw06474]
  • generation and visualization of Feynman diagrams and amplitudes. It started ... which could produce tree-level and one-loop diagrams in the Standard Model [Kü90...
  • Ninja

  • Referenced in 8 articles [sw24723]
  • Integrand Reduction via Laurent Expansion for One-Loop Amplitudes. We present the public C++ library ... Expansion method for the computation of one-loop integrals. The algorithm is suited for applications...
  • RECOLA

  • Referenced in 5 articles [sw22324]
  • RECOLA -- REcursive computation of one-loop amplitudes. We present the Fortran95 program Recola...
  • NLOCT

  • Referenced in 5 articles [sw14667]
  • rational R2 terms induced by one-loop amplitudes. The resulting vertices can be exported...
  • haggies

  • Referenced in 5 articles [sw12493]
  • package for the calculation of one-loop scattering amplitudes in quantum field theories. The examples...
  • Golem95

  • Referenced in 25 articles [sw00371]
  • legs. Nature of problem: Evaluation of one-loop multi-leg tensor integrals occurring ... next-to-leading order corrections to scattering amplitudes in elementary particle physics. Solution method: Tensor...
  • n3jet

  • Referenced in 1 article [sw38856]
  • neural networks to approximate multi-variable scattering amplitudes and provide efficient inputs for Monte Carlo ... jets up to one-loop and up to five jets. We demonstrate reliable interpolation when ... series of networks are trained to amplitudes that have been divided into sectors defined ... infrared singularity structure. Complete simulations for one-loop distributions show speed improvements of at least...
  • HEPMath

  • Referenced in 4 articles [sw20375]
  • basic building blocks of Feynman amplitudes, such as Dirac spinors, Dirac matrices, Lorentz vectors, colour ... loop integrals such as automatic Feynman parametrisation for multi-loop integrals or reduction of one...
  • GRACE

  • Referenced in 3 articles [sw11987]
  • GRACE at ONE-LOOP: Automatic calculation of 1-loop diagrams in the electroweak theory with ... loop integrals, the generation of the matrix elements or helicity amplitudes, methods for the phase ... based on the experience in developing GRACE-loop. As such, a detailed description ... runs which have been performed at the one-loop level for a wide variety...
  • AMBRE

  • Referenced in 30 articles [sw00038]
  • AMBRE - a Mathematica package for the construction of...
  • LanHEP

  • Referenced in 24 articles [sw00502]
  • LanHEP - a package for the automatic generation of...
  • Maple

  • Referenced in 5403 articles [sw00545]
  • The result of over 30 years of cutting...
  • MATAD

  • Referenced in 46 articles [sw00550]
  • MATAD: A program package for the computation of...
  • Mathematica

  • Referenced in 6445 articles [sw00554]
  • Almost any workflow involves computing results, and that...