Difference between revisions of "Two-loop provider"
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A '''two-loop provider''' (or '''two-loop program''') is a specialised software for generating two-[[Loop|loop]] [[Amplitude|amplitudes]] for [[perturbative quantum field theory]] calculations. They are a special case of [[external amplitude providers]]. Two-loop amplitudes contribute to [[NNLO QCD||NNLO]] (and higher order) [[Cross section|cross sections]] as well as the [[NLO QCD||NLO]] cross sections of [[loop-induced]] processes. | A '''two-loop provider''' (or '''two-loop program''') is a specialised software for generating two-[[Loop|loop]] [[Amplitude|amplitudes]] for [[perturbative quantum field theory]] calculations. They are a special case of [[external amplitude providers]]. Two-loop amplitudes contribute to [[NNLO QCD||NNLO]] (and higher order) [[Cross section|cross sections]] as well as the [[NLO QCD||NLO]] cross sections of [[loop-induced]] processes. | ||
Revision as of 16:10, 1 August 2017
A two-loop provider (or two-loop program) is a specialised software for generating two-loop amplitudes for perturbative quantum field theory calculations. They are a special case of external amplitude providers. Two-loop amplitudes contribute to |NNLO (and higher order) cross sections as well as the |NLO cross sections of loop-induced processes.
List of two-loop providers
References
- ↑ S. P. Jones, Automation of 2-loop Amplitude Calculations, PoS LL2016 (2016) 069, arXiv:1608.03846
