Evaluation of (α,n) induced neutrons as a background for dark matter experiments

@inproceedings{Mei2009EvaluationO,
  title={Evaluation of (α,n) induced neutrons as a background for dark matter experiments},
  author={Dongming Mei and Chao Zhang and Andrew Hime},
  year={2009}
}
Abstract Neutrons from ( α , n ) reactions through thorium and uranium decays are important sources of background for direct dark matter detection. The neutron yields and energy spectra from a range of materials that are used to build dark matter detectors are calculated and tabulated. In addition to thorium and uranium decays, we found that α -particles from samarium, often the dopant of the window materials of photomultiplier tubes (PMT), are also an important source of neutron yield. The… CONTINUE READING
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