Physics – Nuclear Physics
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999nuphs..70..106b&link_type=abstract
Nuclear Physics B - Proceedings Supplements, vol. 70, issue 1-3, pp. 106-110
Physics
Nuclear Physics
3
Dark Matter: Detectors
Scientific paper
The authors present a new germanium dark matter experiment. It consists of two HPGe-Detectors which are run in a unique configuration. The anticoincidence between the two detectors will further reduce the background and will allow to improve WIMP cross section limits to a level comparable to planned cryogenic experiments. This should also allow to test recently claimed positive evidence for dark matter by the DAMA experiment. The authors show first detector performances from the test period in the Heidelberg Low Level Laboratory and give a preliminary estimation for the background reduction efficiency. The HDMS experiment is being built up now in the Gran Sasso Underground Laboratory. A proposal for a high mass (1 ton) Ge experiment with a much further reduced background is the Heidelberg GENIUS experiment. GENIUS will be able to give a WIMP limit of the order 0.02 counts/day/kg and additionally to look for the annual modulation WIMP-signature by using raw data without subtraction.
Baudis Laura
Hellmig J.
Klapdor-Kleingrothaus Hans Volker
Ramachers Y.
Strecker Herbert
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