Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-06-14
Comput.Phys.Commun. 93 (1996) 120-126
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, LateX, no macros, no figures
Scientific paper
10.1016/0010-4655(95)00127-1
The program {\tt TOPAZ0} is designed for computing $Z^0$ parameters, de-convoluted and QED-dressed cross sections and forward-backward asymmetries of $e^+ e^-$ annihilation into fermion pairs and of Bhabha scattering around the $Z^0$ peak, over both a completely inclusive experimental set-up and a realistic one, i.e. with cuts on acollinearity, energy or invariant mass and angular acceptance of the outgoing fermions. The new version, 2.0, offers the possibility of imposing different experimental cuts on cross sections and forward-backward asymmetries in a single run, and includes radiative corrections whose effect can become relevant in view of the present and foreseen experimental accuracy. Moreover, an additional option is included, which allows an estimate of the theoretical uncertainty due to unknown higher-order effects, both of electroweak and QCD origin. With respect to the version 1.0, the code is available in the form of {\tt SUBROUTINE}, in order to render more viable the use of the program for aims not planned by the {\tt TOPAZ0} package itself.
Montagna Guido
Nicrosini Oreste
Passarino Giampiero
Piccinini Fulvio
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