KK parity in warped extra dimension

被引:73
作者
Agashe, Kaustubh [1 ,2 ]
Falkowski, Adam [3 ,4 ]
Low, Ian [5 ,6 ,7 ]
Servant, Geraldine [3 ,8 ]
机构
[1] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA
[2] Univ Maryland, Dept Phys, Maryland Ctr Fundamental Phys, College Pk, MD 20742 USA
[3] CERN, Div Theory, CH-1211 Geneva 23, Switzerland
[4] Univ Warsaw, Inst Theoret Phys, PL-00681 Warsaw, Poland
[5] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
[6] Argonne Natl Lab, HEP Div, Theory Grp, Argonne, IL 60439 USA
[7] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
[8] CEA Saclay, Serv Phys Theor, F-91191 Gif Sur Yvette, France
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2008年 / 04期
基金
美国国家科学基金会;
关键词
field theories in higher dimensions; cosmology of theories beyond the SM; beyond standard model;
D O I
10.1088/1126-6708/2008/04/027
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
We construct models with a Kaluza-Klein (KK) parity in a five-dimensional warped geometry, in an attempt to address the little hierarchy problem present in setups with bulk Standard Model fields. The lightest KK particle (LKP) is stable and can play the role of dark matter. We consider the possibilities of gluing two identical slices of AdS(5) in either the UV (IR-UV-IR model) or the IR region (UV-IR-UV model) and discuss the model-building issues as well as phenomenological properties in both cases. In particular, we find that the UV-IR-UV model is not gravitationally stable and that additional mechanisms might be required in the IR-UV-IR model to address flavor issues. Collider signals of the warped KK parity are different from either the conventional warped extra dimension without KK parity, in which the new particles are not necessarily pair-produced, or the KK parity in flat universal extra dimensions, where each KK level is nearly degenerate in mass. Dark matter and collider properties of a TeV mass KK Z gauge boson as the LKP are discussed.
引用
收藏
页数:37
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