Monitoring of the thermal neutron flux in the EDELWEISS II dark matter direct search experiment

Clicks: 294
ID: 265908
2010
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Abstract
The results from measurements of thermal neutron flux in the EDELWEISS II experiment aimed at the direct detection of WIMPs (weakly interacting massive particles) by means of cryogenic germanium bolometers are described. Detailed knowledge of the neutron background is of crucial importance for the experiment, since neutrons with the MeV energy range of scattering seem to be hard to distinguish from the expected WIMP signal within the bolometers. Monitoring of the thermal neutron flux is performed using a mobile detection system with a low background proportional 3He counter. The neutron flux measurements were performed both outside and inside the device’s shielding, in the direct proximity of a cryostat with built-in germanium detectors. The sensitivity of the created thermal neutron detection system is on the level of 10−9 neutron (cm2 s)−1.
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rozov2010bulletinmonitoring Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors S. V. Rozov;V. B. Brudanin;A. V. Lubashevskiy;S. S. Semikh;D. V. Filosofov;E. A. Yakushev;S. V. Rozov;V. B. Brudanin;A. V. Lubashevskiy;S. S. Semikh;D. V. Filosofov;E. A. Yakushev;
Journal bulletin of the russian academy of sciences: physics
Year 2010
DOI
doi:10.3103/S1062873810040088
URL
https://doi.org/10.3103/s1062873810040088##auth-S__V_-Rozov
Keywords
nuclear physics heavy ions hadrons dark matter bolometers wimp edelweiss ii thermal neutron flux direct detection

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