Aaron C. Vincent
Updated constraints on velocity and momentum-dependent asymmetric dark matter
Vincent, Aaron C.; Scott, Pat; Serenelli, Aldo
Authors
Pat Scott
Aldo Serenelli
Abstract
We present updated constraints on dark matter models with momentum-dependent 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 q4 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 v2 scattering with a reference cross-section of 10−35 cm2 (at a reference velocity of v0=220 km s−1), and a dark matter mass of about 5 GeV.
Citation
Vincent, A. C., Scott, P., & Serenelli, A. (2016). Updated constraints on velocity and momentum-dependent asymmetric dark matter. Journal of Cosmology and Astroparticle Physics, 2016(11), Article 007. https://doi.org/10.1088/1475-7516/2016/11/007
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 24, 2016 |
Online Publication Date | Nov 4, 2016 |
Publication Date | Nov 4, 2016 |
Deposit Date | Apr 18, 2019 |
Publicly Available Date | Apr 18, 2019 |
Journal | Journal of Cosmology and Astroparticle Physics |
Electronic ISSN | 1475-7516 |
Publisher | IOP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 2016 |
Issue | 11 |
Article Number | 007 |
DOI | https://doi.org/10.1088/1475-7516/2016/11/007 |
Public URL | https://durham-repository.worktribe.com/output/1298260 |
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Copyright Statement
Article funded by SCOAP. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 License. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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