2008

Model-Independent Determination of the WIMP Mass from Direct Dark Matter Detection Data

Drees, Manuel, Shan, Chung-Lin

Understand

Weakly Interacting Massive Particles (WIMPs) are one of the leading candidates for Dark Matter.

We develop a model-independent method for determining the mass $m_\chi$ of the WIMP by using data (i.e., measured recoil energies) of direct detection experiments.
Our method is independent of the as yet unknown WIMP density near the Earth, of the form of the WIMP velocity distribution, as well as of the WIMP-nucleus cross section.
However, it requires positive signals from at least two detectors with different target nuclei.

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