科研之友
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摘要
Integrand reduction has shown to be an invaluable method for the reduction of scattering amplitudes at one-loop and beyond. The algorithm implemented in Samurai, a Fortran library for d-dimensional integrand reduction, is discussed, mainly focusing on its novel extension Xsamurai to perform the reduction of higher-rank integrals. GoSam has been used to compute processes of associated Higgs production in Gluon Fusion, Vector Boson Fusion and in combination with a t (t) over bar pair. In particular, the calculation of Higgs boson plus up to three jets production in the heavy-top effective theory is discussed, where higher-rank integrals may appear.
- 出版日期2013-11
