Study of Negative-Ion TPC Using μ -PIC for Directional Dark Matter Search

Negative-ion time projection chambers(TPCs) have been studied for low-rate and high-resolution applications such as dark matter search experiments. Recently, a full volume fiducialization in a self-triggering TPC was realized. This innovative technology demonstrated a significant reduction in the ba...

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Bibliographic Details
Published in:EPJ Web of Conferences 2018-02, Vol.174, p.2006
Main Authors: Ikeda, Tomonori, Miuch, Kentaro, Ochi, Atsuhiko, Yakabe, Ryota, Hashimoto, Takashi, Taishaku, Ryosuke, Snowden-Ifft, Daniel P., Gauvreau, Jean-Luc, Tanimori, Toru, Takada, Atsushi, Nakamura, Kiseki
Format: Article
Language:English
Subjects:
Angular resolution
Dark matter
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Summary:Negative-ion time projection chambers(TPCs) have been studied for low-rate and high-resolution applications such as dark matter search experiments. Recently, a full volume fiducialization in a self-triggering TPC was realized. This innovative technology demonstrated a significant reduction in the background with MWPC-TPCs. We studied negative-ion TPC using the μ -PIC+GEM system and obtained sufficient gas gain with CS 2 gas and SF 6 gas at low pressures. We expect an improvement in detector sensitivity and angular resolution with better electronics.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201817402006