Next-to-leading order QCD corrections and massive quarks in e+e-→3 jets

被引：57

作者：

Brandenburg, A ^{[1
]}

Uwer, P ^{[1
]}

机构：

[1] RWTH Aachen, Inst Theoret Phys, D-52056 Aachen, Germany

来源：

NUCLEAR PHYSICS B | 1998年 / 515卷 / 1-2期

关键词：

jets in e(+)e(-)-collisions; massive quarks; QCD radiative corrections;

D O I：

10.1016/S0550-3213(97)00790-6

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We present in detail a calculation of the next-to-leading order QCD corrections to the process e(+)e(-) --> 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. (C) 1998 Elsevier Science B.V.

引用

页码：279 / 320

页数：42

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