Techniques for QCD calculations by numerical integration

Oct, 1999
36 pages
Published in:
  • Phys.Rev.D 62 (2000) 014009
e-Print:

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Abstract:
Calculations of observables in quantum chromodynamics are typically performed using a method that combines numerical integrations over the momenta of final state particles with analytical integrations over the momenta of virtual particles. I describe the most important steps of a method for performing all of the integrations numerically.
Note:
  • 36 pages with 16 postscript figures
  • quantum chromodynamics
  • perturbation theory: higher-order
  • analytic properties
  • propagator
  • numerical calculations