A vector-like heavy quark in the littlest Higgs model

被引：0
|
作者：
Lee, J [1 ]
机构：
[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2004年 / 12期
关键词：
beyond standard model; Higgs physics;
D O I：
暂无
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 littlest Higgs model contains a new vector-like heavy quark in the up sector. There are two interesting features of its existence. One is that it extends the 3 x 3 CKM matrix in the standard model to a 4 x 3 matrix and the other is that it allows Z-mediated flavor changing neutral currents at tree level in the up sector but not in the down sector. We examine a few of possible windows in which the Z-mediated flavor changing neutral currents in the littlest Higgs model can be tested.
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页数：16
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