Zobrazeno 1 - 10
of 52
pro vyhledávání: '"K. Kanzawa"'
Autor:
K. Abe, K. Hiraide, K. Ichimura, N. Kato, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, K. Sato, H. Sekiya, T. Suzuki, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y.H. Kim, R. Ishii, Y. Itow, K. Kanzawa, K. Masuda, K. Martens, A. Mason, Y. Suzuki, K. Miuchi, Y. Takeuchi, K.B. Lee, M.K. Lee, Y. Fukuda, H. Ogawa, K. Nishijima, K. Fushimi, B.D. Xu, S. Nakamura
Publikováno v:
Physics Letters B, Vol 833, Iss , Pp 137355- (2022)
A search for the neutrinoless quadruple beta decay of 136Xe was conducted with the liquid-xenon detector XMASS-I using 327 kg ×800.0 days of the exposure. The pulse shape discrimination based on the scintillation decay time constant which distinguis
Externí odkaz:
https://doaj.org/article/252d14e43c364fc1a0245491a19a9bc8
Autor:
M. Kobayashi, K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, S. Moriyama, M. Nakahata, H. Ogawa, K. Sato, H. Sekiya, T. Suzuki, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y. Itow, K. Kanzawa, K. Masuda, K. Martens, Y. Suzuki, B.D. Xu, K. Miuchi, N. Oka, Y. Takeuchi, Y.H. Kim, K.B. Lee, M.K. Lee, Y. Fukuda, M. Miyasaka, K. Nishijima, K. Fushimi, G. Kanzaki, S. Nakamura
Publikováno v:
Physics Letters B, Vol 795, Iss , Pp 308-313 (2019)
A search for dark matter (DM) with mass in the sub-GeV region (0.32–1 GeV) was conducted by looking for an annual modulation signal in XMASS, a single-phase liquid xenon detector. Inelastic nuclear scattering accompanied by bremsstrahlung emission
Externí odkaz:
https://doaj.org/article/aaaf271fe5994e20863570f903b00227
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, M. Nakahata, H. Ogawa, K. Sato, H. Sekiya, T. Suzuki, O. Takachio, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y. Itow, K. Kanzawa, K. Masuda, K. Martens, Y. Suzuki, B.D. Xu, K. Miuchi, N. Oka, Y. Takeuchi, Y.H. Kim, K.B. Lee, M.K. Lee, Y. Fukuda, M. Miyasaka, K. Nishijima, K. Fushimi, G. Kanzaki, S. Nakamura
Publikováno v:
Physics Letters B, Vol 787, Iss , Pp 153-158 (2018)
Hidden photons and axion-like particles are candidates for cold dark matter if they were produced non-thermally in the early universe. We conducted a search for both of these bosons using 800 live-days of data from the XMASS detector with 327 kg of l
Externí odkaz:
https://doaj.org/article/c722bc3c5eee48f1891eb5c4b135a614
Autor:
K. Abe, Y. Chen, K. Hiraide, K. Ichimura, S. Imaizumi, N. Kato, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, K. Sato, H. Sekiya, T. Suzuki, A. Takeda, S. Tasaka, M. Yamashita, B.S. Yang, N.Y. Kim, Y.D. Kim, Y.H. Kim, R. Ishii, Y. Itow, K. Kanzawa, K. Martens, A. Mason, Y. Suzuki, K. Miuchi, Y. Takeuchi, K.B. Lee, M.K. Lee, Y. Fukuda, H. Ogawa, Y. Kishimoto, K. Nishijima, K. Fushimi, B.D. Xu, S. Nakamura
Publikováno v:
Physics Letters B, Vol 809, Iss , Pp 135741- (2020)
We have searched for exotic neutrino-electron interactions that could be produced by a neutrino millicharge, by a neutrino magnetic moment, or by dark photons using solar neutrinos in the XMASS-I liquid xenon detector. We observed no significant sign
Externí odkaz:
https://doaj.org/article/82441fa211504d1a93ec0a0dc214cf9a
Autor:
Hideaki Motoyama, Yoichi Nakai, Yasuomi Tada, Kimikazu Sasa, A. Yamazaki, Kazuho Horiuchi, Yuko Motizuki, Tsutomu Takahashi, Kazuya Takahashi, Fusa Miyake, Hiroyuki Matsuzaki, Kenta Takano, K. Ohtani, Takeyasu Yamagata, K. Kanzawa, Yasuyuki Muramatsu, Yuta Ochiai, Masumi Matsumura
Publikováno v:
Journal of Geophysical Research: Space Physics. 126
Autor:
A. J. T. Jull, Toru Moriya, Kurt Nicolussi, Raimund Muscheler, Fuyuki Tokanai, Samuli Helama, L. Wacker, Matthew W. Salzer, Mirei Takeyama, Markku Oinonen, Irina P. Panyushkina, Florian Adolphi, K. Kanzawa, Nicolas Brehm, Fusa Miyake
Publikováno v:
Geophysical Research Letters
The annual 14C data in tree rings is an outstanding proxy for uncovering extreme solar energetic particle (SEP) events in the past. Signatures of extreme SEP events have been reported in 774/775 CE, 992/993 CE, and ∼660 BCE. Here, we report another
Autor:
Kimiaki Masuda, Yong Hamb Kim, Y. Takeuchi, Y. D. Kim, Katsuhiko Sato, Kentaro Miuchi, K.B. Lee, Masaki Yamashita, K. Martens, N. Oka, Nam Young Kim, Hiroshi Ogawa, T. Suzuki, K. Kobayashi, Yoshitaka Itow, Yoshihiro Suzuki, K. Kanzawa, Lee Min-Kie, Masayuki Nakahata, Shogo Nakamura, B. D. Xu, Hiroyuki Sekiya, Atsushi Takeda, Y. Fukuda, Shigetaka Moriyama, Katsuki Hiraide, Ken-Ichi Fushimi, G. Kanzaki, Motoki Kobayashi, Shigeki Tasaka, M. Miyasaka, Yasuhiro Kishimoto, Ko Abe, K. Nishijima, B. S. Yang, Koichi Ichimura
Publikováno v:
Astroparticle Physics. 110:1-7
A search for Weakly Interacting Massive Particles (WIMPs) was conducted with the single-phase liquid-xenon detector XMASS through inelastic scattering in which $^{129}$Xe nuclei were excited, using an exposure ($\rm 327\; kg \times 800.0 \; days$) 48
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:
Katsuki Hiraide, Y. D. Kim, Kentaro Miuchi, Shigeki Tasaka, K. Kobayashi, Hiroshi Ogawa, K. Nishijima, Shigetaka Moriyama, Y. Takeuchi, Takatoshi Suzuki, Masayuki Nakahata, K.B. Lee, Yong Hamb Kim, Nam Young Kim, B. S. Yang, M. Kobayashi, Yasuhiro Kishimoto, Masaki Yamashita, B. D. Xu, Kimiaki Masuda, Lee Min-Kie, Yoshitaka Itow, Atsushi Takeda, Hiroyuki Sekiya, Y. Fukuda, O. Takachio, K. Martens, G. Kanzaki, Ken-Ichi Fushimi, Yoshihiro Suzuki, Ko Abe, Koichi Ichimura, K. Kanzawa, M. Miyasaka, Katsuhiko Sato, N. Oka, Shogo Nakamura
Publikováno v:
Physics Letters
Physics Letters B, Vol 787, Iss, Pp 153-158 (2018)
Physics Letters B, Vol 787, Iss, Pp 153-158 (2018)
Hidden photons and axion-like particles are candidates for cold dark matter if they were produced non-thermally in the early universe. We conducted a search for both of these bosons using 800 live-days of data from the XMASS detector with 327 kg of l