Polar angle dependence of the longitudinal polarization of quarks produced in e(+)e(-)-annihilation

被引：26

作者：

Groote, S

Korner, JG

Tung, MM

机构：

[1] UNIV VALENCIA,CSIC,CTR MIXTE,IFIC,E-46100 BURJASSOT,SPAIN

[2] UNIV VALENCIA,DEPT FIS TEOR,E-46100 BURJASSOT,SPAIN

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1997年 / 74卷 / 04期

关键词：

D O I：

10.1007/s002880050427

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 calculate one-loop radiative QCD corrections to the three polarized and unpolarized structure functions that determine the beam-quark polar angle dependence of the longitudinal polarization of light and heavy quarks produced in e(+)e(-)-annihilations. We present analytical and numerical results for the longitudinal polarization and its polar angle dependence. We discuss in some detail the zero-mass limit of our results and the role of the anomalous spin-flip contributions to the polarization observables in the zero-mass limit. Our discussion includes transverse and longitudinal beam polarization effects.

引用

页码：615 / 629

页数：15

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