MEAN, MEDIAN AND MODE OF HADRON SPECTRUM IN QCD JETS

被引：8
|
作者：
DOKSHITZER, YL
KHOZE, VA
FONG, CP
WEBBER, BR
机构：
[1] UNIV LUND,DEPT THEORET PHYS,S-22362 LUND,SWEDEN
[2] CERN,IST NAZL FIS NUCL,ELOISATRON PROJECT,CH-1211 GENEVA 23,SWITZERLAND
[3] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND
来源：
PHYSICS LETTERS B | 1991年 / 273卷 / 03期
关键词：
D O I：
10.1016/0370-2693(91)91691-N
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present predictions of the three common statistical measures of the "typical" value of the quantity zeta = ln(1/x) where x is the momentum fraction of a hadron in a QCD jet. Although the distribution of zeta is asymptotically gaussian, its mean, median and mode (or peak) should differ by constants plus corrections of order square-root alpha(s). An experimental study of these quantities would provide a detailed test of the underlying QCD dynamics of jet fragmentation.
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页码：319 / 322
页数：4
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