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All purpose numerical evaluation of one loop multileg Feynman diagrams

Andrea Ferroglia
(
- New York U.
)
,
Massimo Passera
(
- Padua U. and
- INFN, Padua
)
,
Giampiero Passarino
(
- Turin U. and
- INFN, Turin
)
,
Sandro Uccirati
(
- Turin U. and
- INFN, Turin
)

Sep, 2002

56 pages

Published in:

Nucl.Phys.B 650 (2003) 162-228

e-Print:

hep-ph/0209219 [hep-ph]

DOI:

10.1016/S0550-3213(02)01070-2

View in:

reference search135 citations

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Abstract: (arXiv)

A detailed investigation is presented of a set of algorithms which form the basis for a fast and reliable numerical integration of one-loop multi-leg (up to six) Feynman diagrams, with special attention to the behavior around (possibly) singular points in phase space. No particular restriction is imposed on kinematics, and complex masses (poles) are allowed.

11.10.-z
11.15.Bt
12.38.Bx
02.90.+p
Feynman graph: higher-order
n-point function
form factor
regularization: dimensional
renormalization
infrared problem

References(48)

Figures(0)

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Giampiero Passarino
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