Study of T-odd quark fragmentation function in Z0 → 2-jet decay

被引：49
|
作者：
Efremov, AV [1 ]
Smirnova, OG [1 ]
Tkatchev, LG [1 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Russia
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 1999年 / 74卷
关键词：
D O I：
10.1016/S0920-5632(99)00131-0
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：
The first probe of the correlation of the T-odd one-particle fragmentation function which is responsible for the left-right asymmetry of fragmentation of transversely polarized quark and antiquark is done using the 1991-95 DELPHI data for Z --> 2 jet decay. Being integrated over the fraction of longitudinal and over transverse momentum, this correlation is of 2.5ppm order, that means order of 7% for the analyzing power. This gives a hope to use certain effects in polarized DIS experiments for transversity measurement.
引用
收藏
页码：49 / 52
页数：4
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