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Predicting the capture rate in the Sun from a direct detection signal independently of the astrophysics
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2016 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 718, no 4, 42027Article in journal (Refereed) Published
Abstract [en]

The goal of the works on which this talk is based is to relate a direct detection signal with neutrino limits from the Sun independently of the astrophysics. In order to achieve this we derive a halo-independent lower bound on the dark matter capture rate in the Sun from a direct detection signal, with which one can set upper limits on the branching ratios into different channels from the absence of a high-energy neutrino flux in neutrino observatories. We also extend this bound to the case of inelastic scattering, both endothermic and exothermic. From two inelastic signals we show how the dark matter mass, the mass difference of the states and the couplings to neutrons and protons can be obtained. Furthermore, one can also pin down the exothermic/endothermic nature of the scattering, and therefore a precise lower bound on the solar capture rate is predicted. We also discuss isospin violation and uncertainties due to form factors.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2016. Vol. 718, no 4, 42027
Keyword [en]
Astrophysics, Elementary particles, Galaxies, Inelastic scattering, Neutrons, Particle detectors, Branching ratio, Capture rate, Direct detection, Form factors, High energy neutrinos, Isospin violation, Mass difference, Upper limits, Signal detection
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-197231DOI: 10.1088/1742-6596/718/4/042027ScopusID: 2-s2.0-84981262576OAI: diva2:1052007
7 September 2015 through 11 September 2015

QC 20161205

Available from: 2016-12-05 Created: 2016-11-30 Last updated: 2016-12-05Bibliographically approved

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Herrero-Garcia, Juan
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