Development of a low-alpha-emitting μ-PIC for NEWAGE direction-sensitive dark-matter search

Takashi Hashimoto, Kentaro Miuchi, Kiseki Nakamura, Ryota Yakabe, Tomonori Ikeda, Ryosuke Taishaku, Miki Nakazawa, Hirohisa Ishiura, Atsuhiko Ochi, Yasuo Takeuchi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

NEWAGE is a direction-sensitive dark-matter-search experiment that uses a micro-patterned gaseous detector, or μ-PIC, as the readout. The main background sources are α-rays from radioactive contaminants in the μ-PIC. We have therefore developed a low-alpha-emitting μ-PICs and measured its performances. We measured the surface α-ray emission rate of the μ-PIC in the Kamioka mine using a surface α-ray counter based on a micro TPC.

Original languageEnglish
Title of host publicationLow Radioactivity Techniques 2017, LRT 2017
Subtitle of host publicationProceedings of the 6th International Workshop on Low Radioactivity Techniques
EditorsDouglas S. Leonard
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735416130
DOIs
Publication statusPublished - 2018 Jan 3
Externally publishedYes
Event6th International Workshop on Low Radioactivity Techniques, LRT 2017 - Seoul, Korea, Republic of
Duration: 2017 May 232017 May 27

Publication series

NameAIP Conference Proceedings
Volume1921
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th International Workshop on Low Radioactivity Techniques, LRT 2017
Country/TerritoryKorea, Republic of
CitySeoul
Period17/5/2317/5/27

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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