New Fits for the Non-Perturbative Parameters in the CSS Resummation Formalism

Details New Fits for the Non-Perturbative Parameters in the CSS Resummation Formalism New Fits for the Non-Perturbative Parameters in the CSS Resummation Formalism

1999-05-18

arxiv.org/abs/hep-ph/9905391v1

Phys.Rev. D63 (2001) 013004

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 12 figures, LaTeX

Scientific paper

10.1103/PhysRevD.63.013004

We update the non-perturbative function of the Collins-Soper- Sterman resummation formalism in hadron collisions. Two functional forms in impact parameter space are considered, one with a pure Gaussian form with two parameters and the other with an additional linear term. The results for the two parameter fit are found to be g1=0.24+0.08-0.07 GeV^2, g2=0.34+0.07-0.08 GeV^2. The results for the three parameter fit are g1=0.15+004-0.03 GeV^2, g2=0.48+0.07-0.05 GeV^2, and g3=-0.58+0.26-0.20 GeV^-1. We discuss the potential for the full Tevatron Run I Z boson data for further testing of the universality of the non-perturbative function.

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