Hidden Fine Tuning In The Quark Sector Of Little Higgs Models

被引：0

作者：

Grinstein, Benjamin ^{[1
,2
]}

Kelley, Randall ^{[3
]}

Uttayarat, Patipan ^{[1
]}

机构：

[1] Univ Calif San Diego, La Jolla, CA 92093 USA

[2] CERN, CH-1211 Geneva 23, Switzerland

[3] Harvard Univ, Cambridge, MA 02138 USA

来源：

35TH INTERNATIONAL CONFERENCE OF HIGH ENERGY PHYSICS (ICHEP 2010) | 2010年

关键词：

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：

In Little Higgs models a collective symmetry prevents the higgs from acquiring a quadratically divergent mass at one loop. we have previously shown that the couplings in the Littlest Higgs model introduced to give the top quark a mass do not naturally respect the collective symmetry. We extend our previous work showing that the problem is generic: it arises from the fact that the would be collective symmetry of any one top quark mass term is broken by gauge interactions.

引用

页数：5

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