Minimal models for dark matter and the muon g-2 anomaly

doi:10.1007/JHEP07(2018)046

CORC > 理论物理研究所 > 中国科学院理论物理研究所 > 理论物理所科研产出 > 理论物理所1978-2010年知识产出

	Minimal models for dark matter and the muon g-2 anomaly
	Ziegler, R 1,4; Calibbi, L ; Zupan, J 2
刊名	JOURNAL OF HIGH ENERGY PHYSICS
	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
内容类型	期刊论文
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.