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Abstract
The NEWS-G collaboration is searching for light dark matter candidates using a spherical proportional counter. Light gases, such as hydrogen, helium, and neon, are used as targets, providing access in the 0.1–10 GeV mass range. First results obtained with SEDINE, a 60 cm in diameter detector, in the Underground Laboratory of Modane yielded a 90% confidence level upper limit of 4.4⋅ 1037 cm2 on the nucleon-dark matter interaction cross-section for a candidate with 0.5 GeV mass. Recent developments in several aspects of the detector instrumentation are presented, along with the construction of a new, 140 cm in diameter, detector with new compact shielding.
| Original language | English |
|---|---|
| Article number | C06034 |
| Journal | Journal of Instrumentation |
| Volume | 15 |
| Issue number | 06 |
| DOIs | |
| Publication status | Published - 11 Jun 2020 |
Keywords
- Dark Matter detectors (WIMPs, axions, etc.)
- Gaseous detectors
- Materials for gaseous detectors
- Gas systems and purification
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Dive into the research topics of 'Search for light dark matter with NEWS-G'. Together they form a unique fingerprint.Projects
- 1 Finished
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Experimental Particle Consolidated Grant 2019-2022
Gonella, L. (Co-Investigator), Charlton, D. (Co-Investigator), Allport, P. (Co-Investigator), Watson, N. (Co-Investigator), Watson, A. (Co-Investigator), Goudzovski, E. (Co-Investigator), Newman, P. (Principal Investigator), Nikolopoulos, K. (Co-Investigator), Watson, M. (Co-Investigator), Ilten, P. (Co-Investigator), Lazzeroni, C. (Co-Investigator), Hawkes, C. (Co-Investigator) & Worm, S. (Co-Investigator)
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/10/19 → 31/03/23
Project: Research