电弱精确观测数据对暗部门的制约

IF 3.4 3区物理与天体物理 Q2 PHYSICS, NUCLEAR

Journal of Physics G: Nuclear and Particle Physics Pub Date : 2024-06-11 DOI:10.1088/1361-6471/ad4efd

B M Loizos, X G Wang, A W Thomas, M J White and A G Williams

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引用次数: 0

摘要

我们利用最新数据和粒子数据组的 W 玻色子质量值，重新审视了标准模型与电弱精密观测指标（EWPO）的拟合。对于 CDF 报告的值，我们重复了这一分析。然后针对 W 玻色子质量的两个值，评估这些 EWPO 对暗光子参数空间的约束。我们还扩展了先前的工作，对暗光子与费米暗物质部门的耦合首次施加了电弱精确可观测约束。

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Constraints on the dark sector from electroweak precision observables

We revisit the standard model fit to electroweak precision observables (EWPO) using the latest data and the particle data group value of the mass of the W boson. This analysis is repeated for the value reported by CDF. The constraints on the parameter space for dark photons arising from these EWPO are then evaluated for both values of the W boson mass. We also extend previous work by placing the first electroweak precision observable constraints on the coupling of dark photons to the fermionic dark matter sector.

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来源期刊

Journal of Physics G: Nuclear and Particle Physics 物理-物理：核物理

CiteScore

7.60

自引率

5.70%

发文量

105

审稿时长

1 months

期刊介绍： Journal of Physics G: Nuclear and Particle Physics (JPhysG) publishes articles on theoretical and experimental topics in all areas of nuclear and particle physics, including nuclear and particle astrophysics. The journal welcomes submissions from any interface area between these fields. All aspects of fundamental nuclear physics research, including: nuclear forces and few-body systems; nuclear structure and nuclear reactions; rare decays and fundamental symmetries; hadronic physics, lattice QCD; heavy-ion physics; hot and dense matter, QCD phase diagram. All aspects of elementary particle physics research, including: high-energy particle physics; neutrino physics; phenomenology and theory; beyond standard model physics; electroweak interactions; fundamental symmetries. All aspects of nuclear and particle astrophysics including: nuclear physics of stars and stellar explosions; nucleosynthesis; nuclear equation of state; astrophysical neutrino physics; cosmic rays; dark matter. JPhysG publishes a variety of article types for the community. As well as high-quality research papers, this includes our prestigious topical review series, focus issues, and the rapid publication of letters.