Perturbative Gluon Resummation of the Top Quark Production Cross Section

Details Perturbative Gluon Resummation of the Top Quark Production Cross Section Perturbative Gluon Resummation of the Top Quark Production Cross Section

1995-07-20

arxiv.org/abs/hep-ph/9507363v1

Phys.Lett. B361 (1995) 115-120

Physics

High Energy Physics

High Energy Physics - Phenomenology

PS file, cover page plus 12 pages, plus 4 figures

Scientific paper

10.1016/0370-2693(95)01133-B

We present a calculation of the total cross section for top quark production based on a new perturbative resummation of gluon radiative corrections to the basic QCD subprocesses. We use Principal Value Resummation to calculate all relevant large threshold corrections. Advantages of this method include its independence from arbitrary infrared cutoffs and specification of the perturbative regime of applicability. For $p\bar{p}$ collisions at center-of-mass energy $\sqrt{s}=1.8$TeV and a top mass of 175 GeV, we compute $\sigma(t\bar{t})=5.52^{+0.07}_{-0.45}pb$.

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