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**Harvard**

Catena, R. och Widmark, A. (2016) *WIMP capture by the Sun in the effective theory of dark matter self-interactions *.

** BibTeX **

@unpublished{

Catena2016,

author={Catena, Riccardo and Widmark, Axel},

title={WIMP capture by the Sun in the effective theory of dark matter self-interactions },

abstract={We study the capture of WIMP dark matter by the Sun in the non-relativistic effective theory of dark matter self-interactions. The aim is to assess the impact of self- interactions on the expected neutrino flux from the annihilation of WIMPs trapped in the Sun in a model independent manner. We consider all non-relativistic Galilean invariant self- interaction operators that can arise from the exchange of a heavy particle of spin less than or equal to 1 for WIMPs of spin equal to 0, 1/2 and 1. We show that for interaction operators depending at most linearly on the momentum transfer, the WIMP-induced neutrino flux can be enhanced by several orders of magnitude compared to the same flux in absence of self- interactions. This is true even for standard values of the thermally averaged annihilation cross- section. This conclusion impacts the analysis of present and future observations performed at neutrino telescopes.},

year={2016},

note={20},

}

** RefWorks **

RT Unpublished Material

SR Print

ID 243030

A1 Catena, Riccardo

A1 Widmark, Axel

T1 WIMP capture by the Sun in the effective theory of dark matter self-interactions

YR 2016

AB We study the capture of WIMP dark matter by the Sun in the non-relativistic effective theory of dark matter self-interactions. The aim is to assess the impact of self- interactions on the expected neutrino flux from the annihilation of WIMPs trapped in the Sun in a model independent manner. We consider all non-relativistic Galilean invariant self- interaction operators that can arise from the exchange of a heavy particle of spin less than or equal to 1 for WIMPs of spin equal to 0, 1/2 and 1. We show that for interaction operators depending at most linearly on the momentum transfer, the WIMP-induced neutrino flux can be enhanced by several orders of magnitude compared to the same flux in absence of self- interactions. This is true even for standard values of the thermally averaged annihilation cross- section. This conclusion impacts the analysis of present and future observations performed at neutrino telescopes.

LA eng

OL 30