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Direct detection of supersymmetric dark matter - Theoretical rates for transitions to excited states

Abstract : The recent WMAP data have confirmed that exotic dark matter together with the vacuum energy (cosmological constant) dominate in the flat universe. Supersymmetry provides a natural dark matter candidate, the lightest supersymmetric particle (LSP). Thus direct dark matter detection is central to particle physics and cosmology. Most of the research on this issue has hitherto focused on the detection of the recoiling nucleus. In this paper, we study transitions to the excited states, focusing on the first excited state at 50 keV of Iodine A=127. We find that the transition rate to this excited state is ≼10 percent of the transition to the ground state. So, in principle, the extra signature of the gamma ray following its de-excitation can be exploited experimentally.
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http://hal.in2p3.fr/in2p3-00025757
Contributor : Pascale Chambon <>
Submitted on : Thursday, March 9, 2006 - 3:09:01 PM
Last modification on : Thursday, January 11, 2018 - 6:12:51 AM

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  • HAL Id : in2p3-00025757, version 1

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J.D. Vergados, P. Quentin, D. Strottman. Direct detection of supersymmetric dark matter - Theoretical rates for transitions to excited states. International Journal of Modern Physics E, World Scientific Publishing, 2005, 14, pp.751-762. ⟨in2p3-00025757⟩

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