Surface purity control during XMASS detector refurbishment

Kazuyoshi Kobayashi*

*この研究の対応する著者

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

The XMASS project aims at detecting dark matter, pp and 7Be solar neutrinos, and neutrino less double beta decay using large volume of pure liquid xenon. The first physics target of the XMASS project is to detect dark matter with 835 kg liquid xenon. After the commissioning runs, XMASS detector was refurbished to minimize the background contribution mainly from PMT sealing material and we restarted data taking in November 2013. We report how we control surface purity, especially how we prevent radon daughter accumulation on the detector copper surface, during XMASS detector refurbishment. The result and future plan of XMASS are also reported.

本文言語English
ホスト出版物のタイトルLow Radioactivity Techniques 2015, LRT 2015
ホスト出版物のサブタイトルProceedings of the 5th International Workshop in Low Radioactivity Techniques
編集者John L. Orrell
出版社American Institute of Physics Inc.
ISBN(電子版)9780735413191
DOI
出版ステータスPublished - 2015 8月 17
外部発表はい
イベント5th International Workshop in Low Radioactivity Techniques, LRT 2015 - Seattle, United States
継続期間: 2015 3月 182015 3月 20

出版物シリーズ

名前AIP Conference Proceedings
1672
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Conference

Conference5th International Workshop in Low Radioactivity Techniques, LRT 2015
国/地域United States
CitySeattle
Period15/3/1815/3/20

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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