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Predictions of hydrodynamic simulations for direct dark matter detection

Bozorgnia, N and Calore, F and Schaller, M and Lovell, M and Bertone, G and Frenk, CS and Crain, RA and Navarro, JF and Schaye, J and Theuns, T (2016) Predictions of hydrodynamic simulations for direct dark matter detection. In: Journal of Physics Conference Series , 718. (XIV International Conference on Topics in Astroparticle and Underground Physics (TAUP 2015), 07 September 2015 - 11 September 2015).

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Abstract

We study the effects of galaxy formation on dark matter direct detection using hydrodynamic simulations obtained from the "Evolution and Assembly of GaLaxies and their Environments" (EAGLE) and APOSTLE projects. We extract the local dark matter density and velocity distribution of the simulated Milky Way analogues, and use them directly to perform an analysis of current direct detection data. The local dark matter density of the Milky Way-like galaxies is 0.41–0.73 GeV/cm3, and a Maxwellian distribution (with best fit peak speed of 223–289 km/s) describes well the local dark matter speed distribution. We find that the consistency between the result of different direct detection experiments cannot be improved by using the dark matter distribution of the simulated haloes.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: 02 Physical Sciences, 09 Engineering
Subjects: Q Science > QB Astronomy
Divisions: Astrophysics Research Institute
Publisher: http://dx.doi.org/10.1088/1742-6596/718/4/042007
Date Deposited: 17 Jan 2017 15:18
Last Modified: 17 Jan 2017 15:18
DOI or Identification number: 10.1088/1742-6596/718/4/042007
URI: http://researchonline.ljmu.ac.uk/id/eprint/5234

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