Large tree-level CP violation in e(+)e(-)->t(t)over-barH(0) in the two-Higgs-doublet model

被引:33
作者
BarShalom, S
Atwood, D
Eilam, G
Mendel, RR
Soni, A
机构
[1] STANFORD UNIV,STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94305
[2] BROOKHAVEN NATL LAB,DEPT PHYS,UPTON,NY 11973
来源
PHYSICAL REVIEW D | 1996年 / 53卷 / 03期
关键词
D O I
10.1103/PhysRevD.53.1162
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We find a large CP violation effect within the two-Higgs-doublet model for the reaction e(+)e(-) --> <t(t)over barH(0)> at future linear colliders. The CP asymmetry arises already at the tree level as a result of interference between diagrams with H-0 emission from t (and (t) over bar and its emission from a Z(0) and can be about 10-20 %. In the best case one needs a few hundred <t(t)over barH(0)> events to observe CP violation at the 3 sigma level.
引用
收藏
页码:1162 / 1167
页数:6
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