Zobrazeno 1 - 10
of 22
pro vyhledávání: '"R. Kegasa"'
Autor:
K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, T. Norita, H. Ogawa, K. Sato, H. Sekiya, O. Takachio, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y. Itow, K. Kanzawa, R. Kegasa, K. Masuda, H. Takiya, K. Fushimi, G. Kanzaki, K. Martens, Y. Suzuki, B.D. Xu, R. Fujita, K. Hosokawa, K. Miuchi, N. Oka, Y. Takeuchi, Y.H. Kim, K.B. Lee, M.K. Lee, Y. Fukuda, M. Miyasaka, K. Nishijima, S. Nakamura
Publikováno v:
Physics Letters B, Vol 789, Iss , Pp 45-53 (2019)
A search for dark matter using an underground single-phase liquid xenon detector was conducted at the Kamioka Observatory in Japan, particularly for Weakly Interacting Massive Particles (WIMPs). We have used 705.9 live days of data in a fiducial volu
Externí odkaz:
https://doaj.org/article/16fca7fef8e146779c46b3f09b3cdc12
Autor:
K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, K. Nakagawa, M. Nakahata, T. Norita, H. Ogawa, H. Sekiya, O. Takachio, A. Takeda, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, S. Tasaka, J. Liu, K. Martens, Y. Suzuki, R. Fujita, K. Hosokawa, K. Miuchi, N. Oka, Y. Onishi, Y. Takeuchi, Y.H. Kim, J.S. Lee, K.B. Lee, M.K. Lee, Y. Fukuda, Y. Itow, R. Kegasa, K. Masuda, H. Takiya, H. Uchida, K. Nishijima, K. Fujii, I. Murayama, S. Nakamura
Publikováno v:
Physics Letters B, Vol 759, Iss C, Pp 64-68 (2016)
Double electron capture is a rare nuclear decay process in which two orbital electrons are captured simultaneously in the same nucleus. Measurement of its two-neutrino mode would provide a new reference for the calculation of nuclear matrix elements
Externí odkaz:
https://doaj.org/article/32062a5795a342f5a21e7df0327148d5
Autor:
K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, T. Norita, H. Ogawa, H. Sekiya, O. Takachio, A. Takeda, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, S. Tasaka, K. Fushimi, J. Liu, K. Martens, Y. Suzuki, B.D. Xu, R. Fujita, K. Hosokawa, K. Miuchi, Y. Onishi, N. Oka, Y. Takeuchi, Y.H. Kim, J.S. Lee, K.B. Lee, M.K. Lee, Y. Fukuda, Y. Itow, R. Kegasa, K. Masuda, H. Takiya, K. Nishijima, S. Nakamura
Publikováno v:
Physics Letters B, Vol 759, Iss C, Pp 272-276 (2016)
A search for dark matter was conducted by looking for an annual modulation signal due to the Earth's rotation around the Sun using XMASS, a single phase liquid xenon detector. The data used for this analysis was 359.2 live days times 832 kg of exposu
Externí odkaz:
https://doaj.org/article/047989bb484b4ebea8e02d3d797d28aa
Autor:
Ko Abe, M. Kobayashi, N. Oka, Yong Hamb Kim, Hiroshi Ogawa, K. Martens, Hiroyuki Sekiya, Y. Fukuda, Yasuhiro Kishimoto, K. Kanzawa, Nam Young Kim, M. Miyasaka, T. Norita, K. Nishijima, Shigetaka Moriyama, Katsuki Hiraide, Shogo Nakamura, Y. Takeuchi, K.B. Lee, Yoshihiro Suzuki, Kentaro Miuchi, Koichi Ichimura, Lee Min-Kie, Kimiaki Masuda, G. Kanzaki, R. Fujita, Masayuki Nakahata, H. Takiya, Yoshitaka Itow, O. Takachio, Y. D. Kim, Masaki Yamashita, R. Kegasa, K. Kobayashi, Katsuhiko Sato, B. D. Xu, B. S. Yang, K. Hosokawa, Atsushi Takeda, Ken-Ichi Fushimi, Shigeki Tasaka
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 922:171-176
XMASS-I is a single-phase liquid xenon detector whose purpose is direct detection of dark matter. To achieve the low background requirements necessary in the detector, a new model of photomultiplier tubes (PMTs), R10789, with a hexagonal window was d
Autor:
Y. Takeuchi, K.B. Lee, Shogo Nakamura, N. Oka, R. Fujita, Hiroyuki Sekiya, Y. Fukuda, Shigeki Tasaka, Nam Young Kim, Kazuhiko Nakagawa, K. Martens, Masayuki Nakahata, Masaki Yamashita, Kentaro Miuchi, Y. Onishi, Koichi Ichimura, Hiroshi Ogawa, Ko Abe, K. Hosokawa, Y. D. Kim, I. Murayama, B.S. Yang, Yoshihiro Suzuki, Katsuki Hiraide, Atsushi Takeda, Yasuhiro Kishimoto, K. Fujii, Jing Liu, Jong-Man Lee, K. Kobayashi, Lee Min-Kie, T. Norita, Kimiaki Masuda, K. Nishijima, Shigetaka Moriyama, M. Kobayashi, H. Takiya, Yoshitaka Itow, Yong Hamb Kim, R. Kegasa, O. Takachio, H. Uchida
Publikováno v:
Astroparticle Physics. 89:51-56
The coherent elastic neutrino-nucleus scattering (CEvNS) plays a crucial role at the final evolution of stars. The detection of it would be of importance in astroparticle physics. Among all available neutrino sources, galactic supernovae give the hig
Autor:
Y. D. Kim, Y. Takeuchi, Kentaro Miuchi, Ken-ichiro Kobayashi, H. Uchida, K.B. Lee, K. Martens, H. Takiya, Yoshitaka Itow, Yong Hamb Kim, Shigeki Tasaka, Koichi Ichimura, Katsuki Hiraide, R. Fujita, Kimiaki Masuda, Hiroyuki Sekiya, Y. Fukuda, K. Hosokawa, Y. Onishi, Motoki Kobayashi, Lee Min-Kie, Atsushi Takeda, S. Moriyama, Masayuki Nakahata, O. Takachio, K. Fujii, K. Nishijima, I. Murayama, R. Kegasa, B. S. Yang, Yasuhiro Kishimoto, Masaki Yamashita, Yoshihiro Suzuki, K. Abe, T. Norita, Jing Liu, Nam Young Kim, Kazuhiko Nakagawa, Jong-Man Lee, N. Oka, Shogo Nakamura, H. Ogawa
Publikováno v:
Physics Letters B, Vol 759, Iss C, Pp 64-68 (2016)
Double electron capture is a rare nuclear decay process in which two orbital electrons are captured simultaneously in the same nucleus. Measurement of its two-neutrino mode would provide a new reference for the calculation of nuclear matrix elements
Autor:
H. Takiya, Yoshitaka Itow, K. Hosokawa, Shigeki Tasaka, Nam Young Kim, Atsushi Takeda, M. Miyasaka, Katsuhiko Sato, Yasuhiro Kishimoto, N. Oka, Kentaro Miuchi, Hiroshi Ogawa, Masaki Yamashita, Lee Min-Kie, Masayuki Nakahata, G. Kanzaki, R. Fujita, Kimiaki Masuda, Shogo Nakamura, Ken-Ichi Fushimi, K. Martens, Y. D. Kim, K. Kobayashi, K. Kanzawa, Ko Abe, B. S. Yang, Yong Hamb Kim, Katsuki Hiraide, Koichi Ichimura, Yoshihiro Suzuki, T. Norita, K. Nishijima, Shigetaka Moriyama, B. D. Xu, M. Kobayashi, O. Takachio, R. Kegasa, Y. Takeuchi, K.B. Lee, Hiroyuki Sekiya, Y. Fukuda
Publikováno v:
Physics Letters
Physics Letters B, Vol 789, Iss, Pp 45-53 (2019)
Physics Letters B, Vol 789, Iss, Pp 45-53 (2019)
A search for dark matter using an underground single-phase liquid xenon detector was conducted at the Kamioka Observatory in Japan, particularly for Weakly Interacting Massive Particles (WIMPs). We have used 705.9 live days of data in a fiducial volu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5bd4e5a1e4b444b84b973ef843a4779
http://arxiv.org/abs/1804.02180
http://arxiv.org/abs/1804.02180
Autor:
G. Kanzaki, Kentaro Miuchi, M. Miyasaka, Katsuki Hiraide, B. D. Xu, K. Martens, Shogo Nakamura, Shigeki Tasaka, K. Hosokawa, Ko Abe, Katsuhiko Sato, Atsushi Takeda, Nam Young Kim, Hiroshi Ogawa, K. Nishijima, H. Takiya, Yoshitaka Itow, Yoshihiro Suzuki, Yeongduk Kim, Masayuki Nakahata, Ken-Ichi Fushimi, R. Fujita, Kimiaki Masuda, K. Kanzawa, Motoki Kobayashi, Yasuhiro Kishimoto, N. Oka, Masaki Yamashita, Koichi Ichimura, Yong Hamb Kim, T. Norita, Shigetaka Moriyama, Y. Takeuchi, K.B. Lee, Hiroyuki Sekiya, Y. Fukuda, K. Kobayashi, B. S. Yang, Lee Min-Kie, O. Takachio, R. Kegasa
We established a method to assay $^{210}$Pb and $^{210}$Po contaminations in the bulk of copper samples using a low-background alpha particle counter. The achieved sensitivity for the $^{210}$Pb and $^{210}$Po contaminations reaches a few mBq/kg. Due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96bb47acbaa8922783b5bb66041667a7
http://arxiv.org/abs/1707.06413
http://arxiv.org/abs/1707.06413
Autor:
Y. Takeuchi, N. Oka, K.B. Lee, K. Martens, R. Kegasa, Lee Min-Kie, Hiroshi Ogawa, Hiroyuki Sekiya, Y. Fukuda, K. Hosokawa, Ko Abe, Katsuki Hiraide, R. Fujita, Atsushi Takeda, Shogo Nakamura, Masaki Yamashita, M. Kobayashi, Ken-Ichi Fushimi, Yoshihiro Suzuki, Koichi Ichimura, O. Takachio, Kentaro Miuchi, B.S. Yang, Masayuki Nakahata, Nam Young Kim, T. Norita, Yong Hamb Kim, K. Nishijima, Shigetaka Moriyama, Kimiaki Masuda, Shigeki Tasaka, Yasuhiro Kishimoto, Y. Onishi, Y. D. Kim, K. Kobayashi, Jong-Man Lee, H. Takiya, Yoshitaka Itow
We report the measurement of the emission time profile of scintillation from gamma-ray induced events in the XMASS-I 832 kg liquid xenon scintillation detector. Decay time constant was derived from a comparison of scintillation photon timing distribu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f58be9ca1ad481bf748fcdb595e92d1
http://arxiv.org/abs/1604.01503
http://arxiv.org/abs/1604.01503
Autor:
N. Oka, H. Takiya, G. Kanzaki, K. Nishijima, Yoshitaka Itow, O. Takachio, Lee Min-Kie, K. Hosokawa, Shogo Nakamura, Masaki Yamashita, K. Martens, M. Miyasaka, Yasuhiro Kishimoto, Shigeki Tasaka, Nam Young Kim, Atsushi Takeda, K. Kobayashi, Hiroshi Ogawa, T. Norita, Katsuhiko Sato, Shigetaka Moriyama, Hiroyuki Sekiya, Katsuki Hiraide, Kimiaki Masuda, Ken-Ichi Fushimi, Y. Fukuda, Motoki Kobayashi, Y. Takeuchi, Koichi Ichimura, Y. D. Kim, Yong Hamb Kim, Kentaro Miuchi, K.B. Lee, K. Kanzawa, R. Fujita, R. Kegasa, B. D. Xu, Masayuki Nakahata, Yoshihiro Suzuki, B. S. Yang, Ko Abe
Publikováno v:
Progress of Theoretical and Experimental Physics. 2018(5):053D03
We conducted an improved search for the simultaneous capture of two $K$-shell electrons on the $^{124}$Xe and $^{126}$Xe nuclei with emission of two neutrinos using 800.0 days of data from the XMASS-I detector. A novel method to discriminate $\gamma$