期刊
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
卷 -, 期 11, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2016/11/007
关键词
dark matter theory; solar physics
资金
- STFC [ST/K00414X/1, ST/N000838/1]
- Generalitat de Catalunya [2014SGR-1458]
- MINECO [ESP2014-56003-R, ESP2015-66134-R]
- [PROMETEO/2009/116]
- [PROMETEOII/2014/050]
- [FPA2011-29678]
- STFC [ST/N000838/1, ST/K00414X/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K00414X/1, ST/N000838/1] Funding Source: researchfish
We present updated constraints on dark matter models with momentumdependent or velocity-dependent interactions with nuclei, based on direct detection and solar physics. We improve our previous treatment of energy transport in the solar interior by dark matter scattering, leading to significant changes in fits to many observables. Based on solar physics alone, DM with a spin-independent q(4) coupling provides the best fit to data, and a statistically satisfactory solution to the solar abundance problem. Once direct detection limits are accounted for however, the best solution is spin-dependent v(2) scattering with a reference cross-section of 10(-35) cm(2) ( at a reference velocity of v(0) = 220kms(-1)), and a dark matter mass of about 5 GeV.
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