A Precision Calculation of the Next-to-Leading Order Energy-Energy Correlation Function

Details A Precision Calculation of the Next-to-Leading Order Energy-Energy Correlation Function A Precision Calculation of the Next-to-Leading Order Energy-Energy Correlation Function

1995-02-04

arxiv.org/abs/hep-ph/9502223v4

Phys.Rev.Lett. 74 (1995) 4392-4395

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, uuencoded LaTeX and one eps figure appended Complete paper as PostScript file (125 kB) available at: http://www.phy

Scientific paper

10.1103/PhysRevLett.74.4392

The O(alpha_s^2) contribution to the Energy-Energy Correlation function (EEC) of e+e- -> hadrons is calculated to high precision and the results are shown to be larger than previously reported. The consistency with the leading logarithm approximation and the accurate cancellation of infrared singularities exhibited by the new calculation suggest that it is reliable. We offer evidence that the source of the disagreement with previous results lies in the regulation of double singularities.

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