Effects of Residue Background Events in Direct Detection Experiments on Identifying WIMP Dark Matter

Details Effects of Residue Background Events in Direct Detection Experiments on Identifying WIMP Dark Matter Effects of Residue Background Events in Direct Detection Experiments on Identifying WIMP Dark Matter

2010-12-13

arxiv.org/abs/1012.2625v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 6 eps figures, to appear in the proceedings of the 2nd International Workshop on Dark Matter, Dark Eaergy, and Matter

Scientific paper

We reexamine the model-independent data analysis methods for extracting properties of Weakly Interacting Massive Particles (WIMPs) by using data (measured recoil energies) from direct Dark Matter detection experiments directly and, as a more realistic study, consider a small fraction of residue background events, which pass all discrimination criteria and then mix with other real WIMP-induced signals in the analyzed data sets. In this talk, the effects of residue backgrounds on the determination of the WIMP mass as well as the spin-independent WIMP coupling on nucleons will be discussed.

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