Dark matter phenomenology in 2HDMS in light of the 95 GeV excess

IF 4.2 2区物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS

The European Physical Journal C Pub Date : 2024-09-13 DOI:10.1140/epjc/s10052-024-13176-9

Juhi Dutta, Jayita Lahiri, Cheng Li, Gudrid Moortgat-Pick, Sheikh Farah Tabira, Julia Anabell Ziegler

引用次数: 0

Abstract

The Two Higgs Doublet model extended with a complex scalar singlet (2HDMS) is a well-motivated Beyond Standard Model candidate addressing several open problems of nature. In this work, we focus on the dark matter (DM) phenomenology of the complex scalar singlet where the real part of the complex scalar obtains a vacuum expectation value. The model is characterized by an enlarged Higgs spectrum comprising six physical Higgs bosons and a pseudoscalar DM candidate. We address the impact of accommodating the 95 GeV excess on the 2HDMS parameter space and DM observables after including all theoretical and experimental constraints. Finally, we look into the prospects of this scenario at HL-LHC and future lepton colliders for a representative benchmark.

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从 95 GeV 超额量看 2HDMS 中的暗物质现象学

扩展了复标量单子的双希格斯双子模型（2HDMS）是一个动机良好的超越标准模型候选模型，它解决了自然界的几个未决问题。在这项工作中，我们重点研究了复标量单子的暗物质（DM）现象学，其中复标量的实部获得了真空期望值。该模型的特点是扩大了希格斯谱，包括六个物理希格斯玻色子和一个伪标量DM候选粒子。在纳入所有理论和实验约束之后，我们讨论了容纳 95 GeV 超量对 2HDMS 参数空间和 DM 观测指标的影响。最后，我们研究了这一方案在HL-LHC和未来轻子对撞机上作为代表性基准的前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

The European Physical Journal C 物理-物理：粒子与场物理

CiteScore

8.10

自引率

15.90%

发文量

1008

审稿时长

2-4 weeks

期刊介绍： Experimental Physics I: Accelerator Based High-Energy Physics Hadron and lepton collider physics Lepton-nucleon scattering High-energy nuclear reactions Standard model precision tests Search for new physics beyond the standard model Heavy flavour physics Neutrino properties Particle detector developments Computational methods and analysis tools Experimental Physics II: Astroparticle Physics Dark matter searches High-energy cosmic rays Double beta decay Long baseline neutrino experiments Neutrino astronomy Axions and other weakly interacting light particles Gravitational waves and observational cosmology Particle detector developments Computational methods and analysis tools Theoretical Physics I: Phenomenology of the Standard Model and Beyond Electroweak interactions Quantum chromo dynamics Heavy quark physics and quark flavour mixing Neutrino physics Phenomenology of astro- and cosmoparticle physics Meson spectroscopy and non-perturbative QCD Low-energy effective field theories Lattice field theory High temperature QCD and heavy ion physics Phenomenology of supersymmetric extensions of the SM Phenomenology of non-supersymmetric extensions of the SM Model building and alternative models of electroweak symmetry breaking Flavour physics beyond the SM Computational algorithms and tools...etc.