Scale Dependence of Squark and Gluino Production Cross Sections

Details Scale Dependence of Squark and Gluino Production Cross Sections Scale Dependence of Squark and Gluino Production Cross Sections

1998-07-02

arxiv.org/abs/hep-ph/9807230v2

Phys.Rev.D59:074024,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages, 16 figures, 1 table, version to appear in Phys.Rev.D

Scientific paper

10.1103/PhysRevD.59.074024

We investigate the choice of the renormalization and factorization scales for the production of squarks and gluinos at the Fermilab Tevatron collider as a function of the produced sparticle masses. We determine a scale to be used in leading-order perturbative QCD calculations optimized such that the normalization of the next-to-leading order cross section is reproduced. Use of this optimal scale permits at least a partial implementation of next-to-leading order contributions in leading order Monte Carlo simulations. We provide next-to-leading order predictions of the production cross sections for pairs of supersymmetric particles at the hadronic center-of-mass energy 2 TeV.

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