Physics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998phr...307..291b&link_type=abstract
Physics Reports, Vol. 307, No. 1 - 4, p. 291 - 295
Physics
1
Detectors: Dark Matter
Scientific paper
The Heidelberg-Dark-Matter-Search (HDMS) experiment consists of two HPGe-detectors which operate in a unique configuration. The anticoincidence between the detectors will act as an effective background reduction method allowing to reach a sensitivity comparable to those of planned cryogenic experiments. The experiment is situated in the Gran Sasso Underground Laboratory and has started to take data. New upper limits on WIMP-nucleon cross sections are obtained after 0.53 kg yr of measurement with one of the enriched 76Ge detectors of the Heidelberg-Moscow experiment. An energy threshold of 8.8 keV and a background level of 0.05 events/kg yr keV in the energy region between 8.8 and 100 keV was reached. The derived limits are at present the most stringent ones for spin independent interaction obtained by using only raw data without background subtraction.
Baudis Laura
Hellmig J.
Heusser Gerd
Klapdor-Kleingrothaus Hans Volker
Majorovits Béla
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