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Getting the astrophysics and particle physics of dark matter out of next-generation direct detection experiments

Annika, H. G. Peter (2010) Getting the astrophysics and particle physics of dark matter out of next-generation direct detection experiments. Physical Review D, 81 (8). Art. No. 087301 . ISSN 2470-0010. doi:10.1103/PhysRevD.81.087301.

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The next decade will bring massive new data sets from experiments of the direct detection of weakly interacting massive particle dark matter. Mapping the data sets to the particle-physics properties of dark matter is complicated not only by the considerable uncertainties in the dark-matter model, but by its poorly constrained local distribution function (the “astrophysics” of dark matter). I propose a shift in how to think about direct-detection data analysis. I show that by treating the astrophysical and particle-physics uncertainties of dark matter on equal footing, and by incorporating a combination of data sets into the analysis, one may recover both the particle physics and astrophysics of dark matter. Not only does such an approach yield more accurate estimates of dark-matter properties, but it may illuminate how dark matter coevolves with galaxies.

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Additional Information:© 2010 The American Physical Society. Received 25 October 2009; revised manuscript received 17 February 2010; published 1 April 2010. I thank Marc Kamionkowski and Sunil Golwala for helpful discussions. This research was supported by the Gordon and Betty Moore Foundation. Parts of this work grew out of discussions during a mini study on "Shedding Light on the Nature of Dark Matter" at the W. M. Keck Institute for Space Studies.
Group:Keck Institute for Space Studies
Funding AgencyGrant Number
Gordon and Betty Moore FoundationUNSPECIFIED
Issue or Number:8
Classification Code:PACS: 95.35.+d, 07.05.Kf, 14.80.-j, 98.62.Gq.
Record Number:CaltechAUTHORS:20100528-093041324
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18492
Deposited By: Tony Diaz
Deposited On:01 Jun 2010 02:37
Last Modified:08 Nov 2021 23:44

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