# DIZET — Electroweak one-loop corrections for e++e-→f++f- around the Z0 peak

## Description

Abstract The use of five gauge invariant form factors allows a dense notation of electroweak one-loop effects for the fermion pair production in e^+ e^-annihilation. Based on this notation a program package (DIZET) has been developed to calculate the differential cross section for these processes. It is evaluated as a function of the energy of the process, the production angle, the longitudinal polarization of the beam particles, and the helicities of the final fermions. Title of program: DIZET Catalogue Id: ABRL_v1_0 Nature of problem The shape of the Z0 peak in e+e- annihilation is influenced by radiative corrections, among them the weak one-loop insertions. These are calculated in the standard electroweak theory. Derived quantities may also be calculated, e.g. the forward-backward asymmetry, the left- right asymmetry, and the final state polarization. Versions of this program held in the CPC repository in Mendeley Data ABRL_v1_0; DIZET; 10.1016/0010-4655(90)90179-5 This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018)