Detection chamber for search of low Mass WIMP and solar axions
B. M. Ovchinnikov, V. V. Parusov
TL;DR
This paper presents a detection chamber designed for direct search of low-mass WIMPs and solar axions, utilizing specific gas mixtures and a GEM+pin-anode system to suppress background and detect rare particle interactions.
Contribution
It introduces a novel detection chamber with gas mixtures and a GEM+pin-anode system optimized for low-mass WIMP and solar axion detection.
Findings
Gas mixtures effectively suppress electron background.
GEM+pin-anode system achieves high multiplication coefficient.
Designed for detecting particles with masses below 10 GeV/c2.
Abstract
A chamber for direct detection of WIMPs with masses < 10 GeV/c2 and solar axions is developed. The chamber is filled with a gas mixture of H2 +3ppm TMAE (1,5,10 bar), or D2 + 3ppm TMAE. These gas fillings make it possible to suppress an electron background. For detection of events, the system GEM+pin-anode with a multiplication coefficient of about 10E+05 is constructed.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Photocathodes and Microchannel Plates · Particle Detector Development and Performance