Package-X is a Mathematica package for the analytic calculation and symbolic manipulation of one-loop Feynman integrals in relativistic quantum field theory.

Submitted September 9, 2017 physics tensor published

Package-X is a Mathematica package to obtain compact analytic expressions for one-loop integrals in higher order calculations of relativistic quantum field theory in 4 spacetime dimensions.

Submitted October 14, 2016 physics tensor superseded

Package-X is a Mathematica package to obtain compact analytic expressions for one-loop integrals in higher order calculations of relativistic quantum field theory in 4 spacetime dimensions.

Submitted January 10, 2016 physics tensor superseded

Package-X is a Mathematica package to obtain compact analytic expressions for one-loop integrals in higher order calculations of relativistic quantum field theory in 4 spacetime dimensions.

Submitted November 5, 2015 physics tensor superseded

Submitted September 17, 2015 physics tensor superseded