Spin-independent interactions of Dirac fermionic dark matter in the composite Higgs models

IF 5.3 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review D Pub Date : 2024-12-30 DOI:10.1103/physrevd.110.115038

M. G. Belyakova, R. Nevzorov

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引用次数: 0

Abstract

According to recent measurements, the dark matter magnetic dipole moment is strongly constrained. In the composite Higgs models the magnetic dipole moment of the Dirac dark matter fermion and its mass can be suppressed by the approximate U(1) symmetry. We consider the E6 inspired composite Higgs model (E6CHM) with U(1) symmetry violating operators, which give rise to dark matter’s mass and coupling constant to Higgs boson. The dependence of the spin-independent dark matter-nucleon scattering cross section on the E6CHM parameters is explored. We argue that there are regions of the parameter space which are still safe from all current constraints and may lead to spectacular LHC signatures.

Published by the American Physical Society

2024

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复合希格斯模型中狄拉克费米子暗物质的自旋独立相互作用

根据最近的测量，暗物质的磁偶极矩受到强烈的约束。在复合希格斯模型中，狄拉克暗物质费米子及其质量的磁偶极矩可以被近似的U(1)对称性所抑制。我们考虑了具有U(1)对称违反算子的E6启发复合希格斯模型（E6CHM），它产生了暗物质的质量和与希格斯玻色子的耦合常数。探讨了与自旋无关的暗物质-核子散射截面与E6CHM参数的关系。我们认为，参数空间的某些区域仍然不受当前所有约束的影响，并且可能导致壮观的LHC特征。2024年由美国物理学会出版

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来源期刊

Physical Review D 物理-天文与天体物理

CiteScore

9.20

自引率

36.00%

发文量

审稿时长

2 months

期刊介绍： Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.