Next-to-Leading Order QCD Corrections and Massive Quarks in $e^+e^-\to 3$ Jets

Details Next-to-Leading Order QCD Corrections and Massive Quarks in $e^+e^-\to 3$ Jets Next-to-Leading Order QCD Corrections and Massive Quarks in $e^+e^-\to 3$ Jets

1997-08-14

arxiv.org/abs/hep-ph/9708350v1

Nucl.Phys. B515 (1998) 279-320

Physics

High Energy Physics

High Energy Physics - Phenomenology

51 pages, LaTeX, 16 postscript figures

Scientific paper

10.1016/S0550-3213(97)00790-6

We present in detail a calculation of the next-to-leading order QCD corrections to the process $e^+e^-\to 3$ jets with massive quarks. To isolate the soft and collinear divergencies of the four parton matrix elements, we modify the phase space slicing method to account for masses. Our computation allows for the prediction of oriented three jet events involving heavy quarks, both on and off the Z resonance, and of any event shape variable which is dominated by three jet configurations. We show next-to-leading order results for the three jet fraction, the differential two jet rate, and for the thrust distribution at various c.m. energies.

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