JET BROADENING MEASURES IN E+E- ANNIHILATION

被引：204
|
作者：
CATANI, S [1 ]
TURNOCK, G [1 ]
WEBBER, BR [1 ]
机构：
[1] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND
来源：
PHYSICS LETTERS B | 1992年 / 295卷 / 3-4期
关键词：
D O I：
10.1016/0370-2693(92)91565-Q
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Predictions are presented for the distributions of two new e+e- event shape measures which involve the summed scalar transverse momentum relative to the thrust axis. The calculations include resummation of leading and next-to-leading logarithms to all orders in QCD perturbation theory, together with non-logarithmic terms up to second order. In the two-jet region the new event measures are complementary to the jet-mass-related quantities that were resummed earlier, and so they could be helpful in further refining the determination of the strong coupling constant from e+e- event shapes.
引用
收藏
页码：269 / 276
页数：8
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