Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Kanzawa, K."'
Charge amplification in liquids could provide single-phase xenon time projection chambers with background discrimination and fiducialisation capabilities similar to those found in dual-phase detectors. Although efforts to achieve the high electric fi
Externí odkaz:
http://arxiv.org/abs/2401.02327
Autor:
XMASS Collaboration, Abe, K., Hiraide, K., Ichimura, K., Kato, N., Kishimoto, Y., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Sato, K., Sekiya, H., Suzuki, T., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Kim, Y. H., Ishii, R., Itow, Y., Kanzawa, K., Masuda, K., Martens, K., Mason, A., Suzuki, Y., Miuchi, K., Takeuchi, Y., Lee, K. B., Lee, M. K., Fukuda, Y., Ogawa, H., Nishijima, K., Fushimi, K., Xu, B. D., Nakamura, S.
Publikováno v:
Physics Letters B 833 (2022) 137355
A search for the neutrinoless quadruple beta decay of $^{136}$Xe was conducted with the liquid-xenon detector XMASS-I using $\rm 327\; kg \times 800.0 \; days$ of the exposure. The pulse shape discrimination based on the scintillation decay time cons
Externí odkaz:
http://arxiv.org/abs/2205.05231
Autor:
XMASS Collaboration, Abe, K., Hiraide, K., Ichimura, K., Kishimoto, Y., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Ogawa, H., Sato, K., Sekiya, H., Suzuki, T., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Itow, Y., Kanzawa, K., Masuda, K., Martens, K., Suzuki, Y., Xu, B. D., Miuchi, K., Oka, N., Takeuchi, Y., Kim, Y. H., Lee, K. B., Lee, M. K., Fukuda, Y., Miyasaka, M., Nishijima, K., Fushimi, K., Kanzaki, G., Nakamura, S.
We performed a search for event bursts in the XMASS-I detector associated with 11 gravitational-wave events detected during LIGO/Virgo's O1 and O2 periods. Simple and loose cuts were applied to the data collected in the full 832 kg xenon volume aroun
Externí odkaz:
http://arxiv.org/abs/2007.16046
Autor:
XMASS Collaboration, Abe, K., Chen, Y., Hiraide, K., Ichimura, K., Imaizumi, S., Kato, N., Kishimoto, Y., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Sato, K., Sekiya, H., Suzuki, T., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Kim, Y. H., Ishii, R., Itow, Y., Kanzawa, K., Masuda, K., Martens, K., Mason, A., Suzuki, Y., Miuchi, K., Takeuchi, Y., Lee, K. B., Lee, M. K., Fukuda, Y., Ogawa, H., Nishijima, K., Fushimi, K., Xu, B. D., Nakamuran, S.
We successfully developed a new photomultiplier tube (PMT) with a three-inch diameter, convex-shaped photocathode, R13111. Its prominent features include good performance and ultra-low radioactivity. The convex-shaped photocathode realized a large ph
Externí odkaz:
http://arxiv.org/abs/2006.00922
Autor:
XMASS collaboration, Abe, K., Chen, Y., Hiraide, K., Ichimura, K., Imaizumi, S., Kato, N., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Sato, K., Sekiya, H., Suzuki, T., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Kim, Y. H., Ishii, R., Itow, Y., Kanzawa, K., Martens, K., Mason, A., Suzuki, Y., Miuchi, K., Takeuchi, Y., Lee, K. B., Lee, M. K., Fukuda, Y., Ogawa, H., Kishimoto, Y., Nishijima, K., Fushimi, K., Xu, B. D., Nakamura, S.
Publikováno v:
Physics Letters B 809 (2020) 135741
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:
http://arxiv.org/abs/2005.11891
Autor:
XMASS Collaboration, Abe, K., Hiraide, K., Ichimura, K., Kishimoto, Y., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Ogawa, H., Sato, K., Sekiya, H., Suzuki, T., Takachio, O., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Itow, Y., Kanzawa, K., Masuda, K., Martens, K., Suzuki, Y., Xu, B. D., Miuchi, K., Oka, N., Takeuchi, Y., Kim, Y. H., Lee, K. B., Lee, M. K., Fukuda, Y., Miyasaka, M., Nishijima, K., Fushimi, K., Kanzaki, G., Nakamura, S.
Publikováno v:
JINST,13, P12032 (2018)
We report an in-situ measurement of the nuclear recoil (NR) scintillation decay time constant in liquid xenon (LXe) using the XMASS-I detector at the Kamioka underground laboratory in Japan. XMASS-I is a large single-phase LXe scintillation detector
Externí odkaz:
http://arxiv.org/abs/1809.05988
Autor:
XMASS Collaboration, Suzuki, T., Abe, K., Hiraide, K., Ichimura, K., Kishimoto, Y., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Ogawa, H., Sato, K., Sekiya, H., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Itow, Y., Kanzawa, K., Masuda, K., Martens, K., Suzuki, Y., Xu, B. D., Miuchi, K., Oka, N., Takeuchi, Y., Kim, Y. H., Lee, K. B., Lee, M. K., Fukuda, Y., Miyasaka, M., Nishijima, K., Fushimi, K., Kanzaki, G., Nakamura, S.
Publikováno v:
Astropart. Phys. 110 (2019) 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
Externí odkaz:
http://arxiv.org/abs/1809.05358
Autor:
Kobayashi, M., Abe, K., Hiraide, K., Ichimura, K., Kishimoto, Y., Kobayashi, K., Moriyama, S., Nakahata, M., Ogawa, H., Sato, K., Sekiya, H., Suzuki, T., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Itow, Y., Kanzawa, K., Masuda, K., Martens, K., Suzuki, Y., Xu, B. D., Miuchi, K., Oka, N., Takeuchi, Y., Kim, Y. H., Lee, K. B., Lee, M. K., Fukuda, Y., Miyasaka, M., Nishijima, K., Fushimi, K., Kanzaki, G., Nakamura, S.
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 wa
Externí odkaz:
http://arxiv.org/abs/1808.06177
Autor:
XMASS Collaboration, Abe, K., Hiraide, K., Ichimura, K., Kishimoto, Y., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Norita, T., Ogawa, H., Sato, K., Sekiya, H., Takachio, O., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Itow, Y., Kanzawa, K., Kegasa, R., Masuda, K., Takiya, H., Fushimi, K., Kanzaki, G., Martens, K., Suzuki, Y., Xu, B. D., Fujita, R., Hosokawa, K., Miuchi, K., Oka, N., Takeuchi, Y., Kim, Y. H., Lee, K. B., Lee, M. K., Fukuda, Y., Miyasaka, M., Nishijima, K., Nakamura, S.
Publikováno v:
Nuclear Inst. and Methods in Physics Research Section A, 922 (2019) 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
Externí odkaz:
http://arxiv.org/abs/1808.03617
Autor:
XMASS Collaboration, Abe, K., Hiraide, K., Ichimura, K., Kishimoto, Y., Kobayashi, K., Kobayashi, M., Moriyama, S., Nakahata, M., Ogawa, H., Sato, K., Sekiya, H., Suzuki, T., Takachio, O., Takeda, A., Tasaka, S., Yamashita, M., Yang, B. S., Kim, N. Y., Kim, Y. D., Itow, Y., Kanzawa, K., Masuda, K., Martens, K., Suzuki, Y., Xu, B. D., Miuchi, K., Oka, N., Takeuchi, Y., Kim, Y. H., Lee, K. B., Lee, M. K., Fukuda, Y., Miyasaka, M., Nishijima, K., Fushimi, K., Kanzaki, G., Nakamura, S.
Publikováno v:
Phys. lett. B 787 (2018) 153
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:
http://arxiv.org/abs/1807.08516