LIMITS ON PSEUDOSCALAR BOSONS FROM RARE Z-DECAYS AT LEP

被引:16
|
作者
RUPAK, G [1 ]
SIMMONS, EH [1 ]
机构
[1] BOSTON UNIV, DEPT PHYS, BOSTON, MA 02215 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/0370-2693(95)01152-G
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Current LEP data on rare Z decays constrain nonminimal technicolor models that contain light neutral pseudo-Nambu-Goldstone bosons (P-a). We discuss the production and decay of such particles, and show how LEP data on gamma gamma gamma, gamma + E and gamma+hadrons constrain the size of the technicolor gauge group and the strength of the Z gamma P-a coupling. The limits are then applied to several specific technicolor scenarios.
引用
收藏
页码:155 / 163
页数:9
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