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Simulation of Cosmogenic and Radioactive Backgrounds for the CoGeNT Detector

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Sources and Detection of Dark Matter and Dark Energy in the Universe

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 148))

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Abstract

CoGeNT employs p-type point-contact (PPC) germanium detectors to search for Weakly Interacting Massive Particles (WIMPs). By virtue of its low energy threshold and ability to reject surface backgrounds, this type of device is ideally suited to search for low-mass dark matter candidates (m χ ∼ 10 GeV/c2). We describe the present understanding of backgrounds affecting the CoGeNT (Coherent Germanium Neutrino Technology) detector at Soudan Underground Laboratory (SUL), including contributions from neutrons, both muon-induced and also for those arising from natural radioactivity in the SUL cavern, contributions from radioactivity in the surrounding shielding, contributions from the front-end electronics, and a comparison with radon levels at SUL. A more comprehensive description of all the background simulations can be found in Aalseth CE et al. (2012, arXiv:1208.5737)

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Authors and Affiliations

  1. Pacific Northwest Laboratory, Richland, WA, 99352, USA

    M. S. Kos

  2. CoGeNT collaboration, Chicago, USA

    M. S. Kos

Authors
  1. M. S. Kos
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Corresponding author

Correspondence to M. S. Kos .

Editor information

Editors and Affiliations

  1. UCLA Physics & Astronomy, Los Angeles, USA

    David Cline

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Kos, M.S. (2013). Simulation of Cosmogenic and Radioactive Backgrounds for the CoGeNT Detector. In: Cline, D. (eds) Sources and Detection of Dark Matter and Dark Energy in the Universe. Springer Proceedings in Physics, vol 148. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-7241-0_19

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  • DOI: https://doi.org/10.1007/978-94-007-7241-0_19

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-7240-3

  • Online ISBN: 978-94-007-7241-0

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