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Directional detection as a strategy to discover galactic Dark Matter

Abstract : Directional detection of galactic Dark Matter is a promising search strategy for discriminating geniune WIMP events from background ones. Technical progress on gaseous detectors and read-out has permitted the design and construction of competitive experiments. However, to take full advantage of this powerful detection method, one need to be able to extract information from an observed recoil map to identify a WIMP signal. We present a comprehensive formalism, using a map-based likelihood method allowing to recover the main incoming direction of the signal and its significance, thus proving its galactic origin. Systematic studies are presented in order to show that, using this analysis tool, unambiguous dark matter detection can be achieved on a large range of exposures and background levels.
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Contributor : Emmanuelle Vernay <>
Submitted on : Wednesday, November 25, 2009 - 7:32:58 AM
Last modification on : Monday, July 20, 2020 - 9:18:25 AM

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J. Billard, F. Mayet, J.F. Macias-Perez, D. Santos. Directional detection as a strategy to discover galactic Dark Matter. Physics Letters B, Elsevier, 2010, 691, pp.156-162. ⟨10.1016/j.physletb.2010.06.024⟩. ⟨in2p3-00435846⟩

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