Gauge coupling unification with partly composite matter

被引：0
|
作者：
Gherghetta, T [1 ]
机构：
[1] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
来源：
PARTICLES, STRINGS, AND COSMOLOGY | 2005年 / 805卷
关键词：
grand unification; compositeness; supersymmetry;
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：
It is shown how gauge coupling unification can occur in models with partly composite matter. The particle states which are composite only contribute small logarithmns to the running of gauge couplings, while the elementary states contribute the usual large logarithmns. This introduces a new differential running contribution to the gauge couplings from partly composite SU(5) matter multiplets. In particular, for partly supersymmetric models, the incomplete SU(5) elementary matter multiplets restore gauge coupling unification even though the usual elementary gaugino and Higgsino contributions need not be present.
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收藏
页码：253 / 258
页数：6
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