ATOMIC PARITY VIOLATION AS A PROBE OF NEW PHYSICS

被引：348

作者：

MARCIANO, WJ

ROSNER, JL

机构：

[1] UNIV CHICAGO,ENRICO FERMI INST,CHICAGO,IL 60637

[2] UNIV CHICAGO,DEPT PHYS,CHICAGO,IL 60637

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.65.2963

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Effects of physics beyond the standard model on electroweak observables ares studied using the Peskin-Takeuchi isospin-conserving, S, and -breaking, T, parametrization of new quantum loop corrections. Experimental constraints on S and T are presented. Atomic parity-violating experiments are shown to be particularly sensitive to S with existing data giving S=-2.7±2. 0±1.1. That constraint has important implications for generic technicolor models which predict S1NTND (NT is the number of technicolors, ND is the number of technidoublets). © 1990 The American Physical Society.

引用

页码：2963 / 2966

页数：4

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