Minimal models for dark matter and the muon g-2 anomaly
文献类型：期刊论文
| 作者 | Ziegler, R1,4; Calibbi, L; Zupan, J2 |
| 刊名 | JOURNAL OF HIGH ENERGY PHYSICS
 |
| 出版日期 | 2018 |
| 期号 | 7页码:46 |
| 关键词 | E(+)E(-) COLLISIONS MAGNETIC-MOMENT ABUNDANCES PARTICLES SEARCHES |
| ISSN号 | 1029-8479 |
| DOI | 10.1007/JHEP07(2018)046 |
| 英文摘要 | 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. |
| 学科主题 | Physics |
| 语种 | 英语 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/22870]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 作者单位 | 1.Karlsruhe Inst Technol, Inst Theoret Particle Phys, Engesserstr 7, D-76128 Karlsruhe, Germany 2.CERN, Theory Div, CH-1211 Geneva 23, Switzerland 3.Univ Cincinnati, Dept Phys, 400 Geol Phys Bldg, Cincinnati, OH 45221 USA 4.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Zhong Guan Cun East St 55, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ziegler, R,Calibbi, L,Zupan, J. Minimal models for dark matter and the muon g-2 anomaly[J]. JOURNAL OF HIGH ENERGY PHYSICS,2018(7):46. |
| APA | Ziegler, R,Calibbi, L,&Zupan, J.(2018).Minimal models for dark matter and the muon g-2 anomaly.JOURNAL OF HIGH ENERGY PHYSICS(7),46. |
| MLA | Ziegler, R,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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来源：理论物理研究所
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