Programs in Physics & Physical Chemistry
|[Licence| Download | New Version Template] aext_v1_0.tar.gz(1195 Kbytes)|
|Manuscript Title: Package-X: A Mathematica package for the analytic calculation of one-loop integrals|
|Authors: Hiren H. Patel|
|Program title: Package-X|
|Catalogue identifier: AEXT_v1_0|
Distribution format: tar.gz
|Journal reference: Comput. Phys. Commun. 197(2015)276|
|Programming language: Mathematica (Wolfram Language).|
|Computer: Any, which supports Mathematica.|
|Operating system: Windows, Mac OS X, Linux (or any system supporting Mathematica 8.0 or higher).|
|RAM: 10 MB, depending on size of computation|
|Keywords: One-loop, Feynman Integrals, Passarino-Veltman.|
|Classification: 4.4, 11.1.|
Nature of problem:
Analytic calculation of one-loop integrals in relativistic quantum field theory for arbitrarily high-rank tensor integrals and any kinematic configuration of real-valued external invariants and internal masses.
Passarino-Veltman reduction formula, Denner-Dittmaier reduction formulae, and two new reduction algorithms described in the manuscript.
One-loop integrals are limited to those involving no more than three propagator factors.
Includes rudimentary routines for tensor algebraic operations and for performing traces over Dirac gamma matrices.
5ms to 10s for integrals typically occurring in practical computations; longer for higher rank tensor integrals.
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