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New TeO2/NbSi detectors for rare event search

C. Nones 1 L. Berge 2 S. Collin 3 L. Dumoulin 3 A. Juillard 3 S. Marnieros 3 E. Olivieri 3
1 CSNSM PCI
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
2 CSNSM INSTR
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
Abstract : The present limitation for experiments looking for rare events, such as neutrinoless double beta decay (0 nu beta beta) and direct WIMPs detection, is the radioactive background and in particular its discrimination. When the search is based on the bolometric technique, near-surface events constitute a serious problem, due to full volume sensitivity of the detector; in fact for a 0 nu beta beta experiment they may cause signals close to the Q-value while for a dark matter (DM) experiment, which exploits ionization signal for particle identification, they may originate an incomplete charge collection simulating a nuclear recoil.
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http://hal.in2p3.fr/in2p3-00854627
Contributor : Christine Hadrossek <>
Submitted on : Tuesday, August 27, 2013 - 4:44:56 PM
Last modification on : Wednesday, September 16, 2020 - 5:42:43 PM

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C. Nones, L. Berge, S. Collin, L. Dumoulin, A. Juillard, et al.. New TeO2/NbSi detectors for rare event search. Journal of Low Temperature Physics, Springer Verlag (Germany), 2008, 151, pp.871-876. ⟨10.1007/s10909-008-9764-z⟩. ⟨in2p3-00854627⟩

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