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- Title
Direction-sensitive dark matter search with 3D-vector-type tracking in NEWAGE.
- Authors
Shimada, Takuya; Higashino, Satoshi; Ikeda, Tomonori; Nakamura, Kiseki; Yakabe, Ryota; Hashimoto, Takashi; Ishiura, Hirohisa; Nakamura, Takuma; Nakazawa, Miki; Kubota, Ryo; Nakayama, Ayaka; Ito, Hiroshi; Ichimura, Koichi; Abe, Ko; Kobayashi, Kazuyoshi; Tanimori, Toru; Kubo, Hidetoshi; Takada, Atsushi; Sekiya, Hiroyuki; Takeda, Atsushi
- Abstract
NEWAGE is a direction-sensitive dark matter search experiment with a 3D tracking detector based on a gaseous micro time projection chamber. A direction-sensitive dark matter search was carried out at Kamioka Observatory with a total live time of 318.0 days resulting in an exposure of 3.18 kg·days. A new gamma-ray rejection and a head–tail determination analysis were implemented for this work. No significant non-isotropic signal from the directional analysis was found and a 90% confidence level upper limit on a spin-dependent weakly interactive massive particle (WIMP)–proton cross section of 25.7 pb for a WIMP mass of 150 GeV/ c 2 was derived. This analysis marks the most stringent upper limit in the direction-sensitive dark matter searches.
- Subjects
DARK matter; WEAKLY interacting massive particles; GAMMA ray spectrometry
- Publication
Progress of Theoretical & Experimental Physics: PTEP, 2023, Vol 2023, Issue 10, p1
- ISSN
2050-3911
- Publication type
Article
- DOI
10.1093/ptep/ptad120