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- Title
Spin-Dependent Scattering of Scalar and Vector Dark Matter on the Electron.
- Authors
Wu, Ke-Yun; Xiong, Zhao-Hua
- Abstract
The property of dark matter remains to date unknown. However, a model-independent classification of dark matter candidates can be achieved by using various symmetries, as performed in the standard model. Fermionic dark matter has been extensively researched, and one favored candidate is the neutralino in the Minimal Supersymmetric Standard Model, which is required by fermion–boson symmetry and the preservation of R-parity. Bosonic dark matter has not been sufficiently studied, especially the scenario of dark matter with a mass of sub-GeV. In this paper, we consider the effect of spin-dependent (SD) on scalar and vector dark matter, which are mediated by pseudoscalar and axial-vector, and evaluate the effect on the dark matter–electron scattering cross-section. We list all the interactions and form factor of dark matter–electron SD scattering, and use XENON10/100/1T experiment data to derive the exclusion limit of the SD cross-section. We find that the SD scattering of scalar and vector dark matter can be three orders of magnitude stronger than spin-independent (SI) scattering due to the p-wave scattering.
- Subjects
DARK matter; PROPERTIES of matter; WEAKLY interacting massive particles; STANDARD model (Nuclear physics); DIGITAL preservation; NAMBU-Goldstone bosons; ELECTRONS
- Publication
Symmetry (20738994), 2022, Vol 14, Issue 5, p1061
- ISSN
2073-8994
- Publication type
Article
- DOI
10.3390/sym14051061