A
A. Murata
Researcher at Kobe University
Publications - 11
Citations - 447
A. Murata is an academic researcher from Kobe University. The author has contributed to research in topics: Dark matter & WIMP. The author has an hindex of 10, co-authored 11 publications receiving 416 citations.
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Journal ArticleDOI
XMASS detector
K. Abe,K. Hieda,Katsuki Hiraide,S. Hirano,Yasuhiro Kishimoto,Katsuhiro Kobayashi,S. Moriyama,Kazuhiko Nakagawa,Masayuki Nakahata,H. Nishiie,Hiroshi Ogawa,N. Oka,Hiroyuki Sekiya,A. Shinozaki,Yasunari Suzuki,Atsushi Takeda,O. Takachio,K. Ueshima,D. Umemoto,Masaki Yamashita,B. S. Yang,Shigeki Tasaka,Jing Liu,K. Martens,K. Hosokawa,Kentaro Miuchi,A. Murata,Y. Onishi,Yoshihisa Otsuka,Y. Takeuchi,Yong Hamb Kim,K.B. Lee,Lee Min-Kie,Jong-Man Lee,Y. Fukuda,Yoshitaka Itow,Y. Nishitani,Kimiaki Masuda,H. Takiya,H. Uchida,Nam Young Kim,Y. D. Kim,F. Kusaba,D. Motoki,K. Nishijima,Kozo Fujii,I. Murayama,Shogo Nakamura +47 more
TL;DR: The first phase of the XMASS experiment searches for dark matter in detail, including its configuration, data acquisition equipment and calibration system in this article, where the authors describe the X-MASS detector in detail.
Journal ArticleDOI
Search for solar axions in XMASS, a large liquid-xenon detector
Ko Abe,Ko Abe,K. Hieda,Katsuki Hiraide,Katsuki Hiraide,S. Hirano,Yasuhiro Kishimoto,Yasuhiro Kishimoto,K. Kobayashi,K. Kobayashi,Shigetaka Moriyama,Shigetaka Moriyama,Kazuhiko Nakagawa,Masayuki Nakahata,Masayuki Nakahata,Hiroshi Ogawa,Hiroshi Ogawa,N. Oka,Hiroyuki Sekiya,Hiroyuki Sekiya,A. Shinozaki,Yoshihiro Suzuki,Yoshihiro Suzuki,Atsushi Takeda,Atsushi Takeda,O. Takachio,K. Ueshima,D. Umemoto,Masaki Yamashita,Masaki Yamashita,B.S. Yang,Shigeki Tasaka,Jing Liu,K. Martens,K. Hosokawa,Kentaro Miuchi,A. Murata,Y. Onishi,K. Otsuka,Y. Takeuchi,Y. Takeuchi,Yong Hamb Kim,K.B. Lee,M.K. Lee,Jong-Man Lee,Y. Fukuda,Yoshitaka Itow,Kimiaki Masuda,Y. Nishitani,H. Takiya,H. Uchida,Nam Young Kim,Y. D. Kim,F. Kusaba,D. Motoki,K. Nishijima,K. Fujii,I. Murayama,Shogo Nakamura +58 more
TL;DR: In this paper, a low-background, large liquid-xenon detector was used to search for solar axions that would be produced by bremsstrahlung and Compton effects in the Sun.
Journal ArticleDOI
Light WIMP search in XMASS
Ko Abe,K. Hieda,Katsuki Hiraide,S. Hirano,Yasuhiro Kishimoto,K. Kobayashi,Shigetaka Moriyama,Kazuhiko Nakagawa,Masayuki Nakahata,Hiroshi Ogawa,N. Oka,Hiroyuki Sekiya,A. Shinozaki,Yoshihiro Suzuki,Atsushi Takeda,O. Takachio,K. Ueshima,D. Umemoto,Masaki Yamashita,B.S. Yang,Shigeki Tasaka,Jing Liu,K. Martens,K. Hosokawa,Kentaro Miuchi,A. Murata,Y. Onishi,Yoshihisa Otsuka,Y. Takeuchi,Y. Takeuchi,Yong Hamb Kim,K.B. Lee,M.K. Lee,Jong-Man Lee,Y. Fukuda,Yoshitaka Itow,Kimiaki Masuda,Y. Nishitani,H. Takiya,H. Uchida,Nam Young Kim,Y. D. Kim,F. Kusaba,D. Motoki,K. Nishijima,K. Fujii,I. Murayama,Shogo Nakamura +47 more
TL;DR: In this article, a search for light dark matter using low-threshold data from the single phase liquid xenon scintillation detector XMASS was conducted, using the entire 835 kg inner volume as target.
Journal ArticleDOI
Search for bosonic superweakly interacting massive dark matter particles with the XMASS-I detector
Ko Abe,K. Hieda,Katsuki Hiraide,S. Hirano,Y. Kishimoto,K. Ichimura,K. Kobayashi,Shigetaka Moriyama,Kazuhiko Nakagawa,Masayuki Nakahata,Hiroshi Ogawa,N. Oka,Hiroyuki Sekiya,A. Shinozaki,Yoshihiro Suzuki,Atsushi Takeda,O. Takachio,D. Umemoto,Masaki Yamashita,B. S. Yang,Shigeki Tasaka,Jing Liu,K. Martens,K. Hosokawa,Kentaro Miuchi,A. Murata,Y. Onishi,Yoshihisa Otsuka,Y. Takeuchi,Yong Hamb Kim,K.B. Lee,M.K. Lee,Jong-Man Lee,Y. Fukuda,Yoshitaka Itow,Kimiaki Masuda,H. Takiya,H. Uchida,Nam Young Kim,Y. D. Kim,F. Kusaba,K. Nishijima,K. Fujii,I. Murayama,Shogo Nakamura +44 more
TL;DR: This is the first direct detection experiment exploring the vector super-WIMPs in the mass range between 40 and 120 keV, and the unprecedented sensitivity was achieved exploiting the low background at a level 10(-4) kg-1 keVee-1-1 in the detector.
Journal ArticleDOI
Radon removal from gaseous xenon with activated charcoal
Ko Abe,K. Hieda,Katsuki Hiraide,S. Hirano,Yasuhiro Kishimoto,K. Kobayashi,Yusuke Koshio,Jing Liu,K. Martens,Shigetaka Moriyama,Masayuki Nakahata,H. Nishiie,Hiroshi Ogawa,Hiroyuki Sekiya,A. Shinozaki,Yoshihiro Suzuki,O. Takachio,Atsushi Takeda,K. Ueshima,D. Umemoto,Masaki Yamashita,K. Hosokawa,A. Murata,K. Otsuka,Y. Takeuchi,F. Kusaba,D. Motoki,K. Nishijima,Shigeki Tasaka,K. Fujii,I. Murayama,Shogo Nakamura,Y. Fukuda,Yoshitaka Itow,Kimiaki Masuda,Y. Nishitani,H. Takiya,H. Uchida,Y. D. Kim,Yong Hamb Kim,K.B. Lee,M.K. Lee,Jong-Man Lee +42 more
TL;DR: In this paper, the authors studied a method to remove radon from xenon gas through an activated charcoal trap and inferred a linear relationship between the mean propagation velocity of radon and xenon in the trap with vRn=vXe ¼ð 0:967 0:10 Þ� 10