Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-04-19
JHEP0507:025,2005
Physics
High Energy Physics
High Energy Physics - Theory
23 pages, JHEP class, 5 figures
Scientific paper
10.1088/1126-6708/2005/07/025
We derive general tree-level recursion relations for amplitudes which include massive propagating particles. As an illustration, we apply these recursion relations to scattering amplitudes of gluons coupled to massive scalars. We provide new results for all amplitudes with a pair of scalars and n < 5 gluons. These amplitudes can be used as building blocks in the computation of one-loop 6-gluon amplitudes using unitarity based methods.
Badger S. D.
Glover E. W. N.
Khoze Valentin V.
Svrcek Peter
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