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Calibbi, L; Ziegler, R1,2; Zupan, J3
Minimal models for dark matter and the muon g-2 anomaly
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
语种英语
关键词E(+)E(-) COLLISIONS MAGNETIC-MOMENT ABUNDANCES PARTICLES SEARCHES
摘要We construct models with minimal field content that can simultaneously explain the muon g - 2 anomaly and give the correct dark matter relic abundance. These models fall into two general classes, whether or not the new fields couple to the Higgs. For the general structure of models without new Higgs couplings, we provide analytical expressions that only depend on the SU(2)(L) representation. These results allow to demonstrate that only few models in this class can simultaneously explain (g - 2)(mu) and account for the relic abundance. The experimental constraints and perturbativity considerations exclude all such models, apart from a few fine-tuned regions in the parameter space, with new states in the few 100 GeV range. In the models with new Higgs couplings, the new states can be parametrically heavier by a factor root 1/y(mu), with y(mu) the muon Yukawa coupling, resulting in masses for the new states in the TeV regime. At present these models are not well constrained experimentally, which we illustrate on two representative examples.
2018
ISSN1029-8479
期号7页码:46
学科领域Physics
学科门类Physics, Particles & Fields
DOI10.1007/JHEP07(2018)046
收录类别SCIE
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22870
专题理论物理所科研产出_SCI论文
作者单位1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Zhong Guan Cun East St 55, Beijing 100190, Peoples R China
2.Karlsruhe Inst Technol, Inst Theoret Particle Phys, Engesserstr 7, D-76128 Karlsruhe, Germany
3.CERN, Theory Div, CH-1211 Geneva 23, Switzerland
4.Univ Cincinnati, Dept Phys, 400 Geol Phys Bldg, Cincinnati, OH 45221 USA
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Calibbi, L,Ziegler, R,Zupan, J. Minimal models for dark matter and the muon g-2 anomaly[J]. JOURNAL OF HIGH ENERGY PHYSICS,2018(7):46.
APA Calibbi, L,Ziegler, R,&Zupan, J.(2018).Minimal models for dark matter and the muon g-2 anomaly.JOURNAL OF HIGH ENERGY PHYSICS(7),46.
MLA Calibbi, L,et al."Minimal models for dark matter and the muon g-2 anomaly".JOURNAL OF HIGH ENERGY PHYSICS .7(2018):46.
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