Next-to-leading order calculation of four-jet observables in electron-positron annihilation -: art. no. 014020.

被引：164

作者：

Nagy, Z ^{[1
]}

Trócsányi, Z

机构：

[1] KLTE, Dept Theoret Phys, POB 5, H-4010 Debrecen, Hungary

[2] Hungarian Acad Sci, Inst Nucl Res, H-4001 Debrecen, Hungary

来源：

PHYSICAL REVIEW D | 1999年 / 59卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.59.014020

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The production of four jets in electron-positron annihilation allows for measuring the strong coupling and the underlying group structure of the strong interaction simultaneously. This requires a next-to-leading order perturbative prediction for four-jet observables. In this paper we describe the theoretical formalism of such a calculation with sufficient details. We use the dipole method to construct a Monte Carlo program that can be used for calculating any four-jet observable at the next-to-leading order accuracy. As new results, we present the next-to-leading order prediction for the thrust minor, y(4) and C parameter (at C greater than or equal to 0.75) four-jet shape variables and the four-jet rates with the Cambridge jet clustering algorithm. [S0556-2821(98)01723-8].

引用

页数：21

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