Direct WIMP identification: physics performance of a segmented noble liquid target immersed in a Gd-doped water veto
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
We evaluate background rejection capabilities and physics performance of a detector composed of two diverse elements: a sensitive target (filled with one or two species of liquefied noble gases) and an active veto (made of Gd-doped ultra-pure water). A GEANT4 simulation shows that for a direct WIMP search, this device can reduce the neutron background to O(1) event per year per tonne of material. Our calculation shows that an exposure of one tonne Multiplication-Sign year will suffice to exclude spin-independent WIMP-nucleon cross sections ranging from 10{sup -9} to 10{sup -10} pb.
- OSTI ID:
- 22156712
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Vol. 2008, Issue 08; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
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