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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-16562

Read, J I; Lake, G; Agertz, O; Debattista, V (2008). A dark disc in the Milky Way. Astronomische Nachrichten, 329(9-10):1022-1024.

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Abstract

Predicting the flux of dark matter particles through the Earth is vital for current and future direct dark matter detection experiments. To date, such predictions have been based on simulations that model the dark matter alone. Here we make the first attempt to include the influence of the baryonic matter. We show that the presence of a stellar/gas disc at high redshift (z 1) causes merging satellites to be preferentially dragged towards the disc plane. This results in an accreted stellar disc, and a dark matter disc that contributes DDISC = 0.25-1 HALO at the solar position. Although not likely to be dynamically interesting, the dark disc has important implications for the direct detection of dark matter because of ist low velocity with respect to the Earth. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
DDC:530 Physics
Uncontrolled Keywords:dark matter; Galaxy: evolution
Language:German
Date:2008
Deposited On:26 Feb 2009 14:29
Last Modified:27 Nov 2013 20:16
Publisher:Wiley-Blackwell
ISSN:0004-6337
Publisher DOI:10.1002/asna.200811082
Other Identification Number:ISI:000262794800035

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