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ID 115702
著者
Oka, N Kobe University
Abe, K The University of Tokyo
Hiraide, K The University of Tokyo
Ichimura, K The University of Tokyo
Kishimoto, Y The University of Tokyo
Kobayashi, K The University of Tokyo
Kobayashi, M The University of Tokyo
Moriyama, S The University of Tokyo
Nakahata, M The University of Tokyo
Norita, T The University of Tokyo
Ogawa, H The University of Tokyo
Sato, K The University of Tokyo
Sekiya, H The University of Tokyo
Takachio, O The University of Tokyo
Takeda, A The University of Tokyo
Tasaka, S The University of Tokyo
Yamashita, M The University of Tokyo
Yang, B S The University of Tokyo
Kim, N Y Institute for Basic Science
Kim, Y D Institute for Basic Science
Itow, Y Nagoya University
Kanzawa, K Nagoya University
Kegasa, R Nagoya University
Masuda, K Nagoya University
Takiya, H Nagoya University
Kanzaki, G The University of Tokushima
Martens, K The University of Tokyo
Suzuki, Y The University of Tokyo
Xu, B D The University of Tokyo
Fujita, R Kobe University
Hosokawa, K Kobe University|Tohoku University
Miuchi, K Kobe University
Takeuchi, Y Kobe University|The University of Tokyo
Kim, Y H Korea Research Institute of Standards and Science|Institute for Basic Science
Lee, K B Korea Research Institute of Standards and Science
Lee, M K Korea Research Institute of Standards and Science
Fukuda, Y Miyagi University of Education
Miyasaka, M Tokai University
Nishijima, K Tokai University
Nakamura, S Yokohama National University
資料タイプ
学術雑誌論文
抄録
In theories with large extra dimensions beyond the standard 4-dimensional spacetime, axions could propagate in such extra dimensions, and acquire Kaluza–Klein (KK) excitations. These KK axions are produced in the Sun and could solve the unexplained heating of the solar corona. While most of the solar KK axions escape from the solar system, a small fraction are gravitationally trapped in orbits around the Sun. They would decay into 2 photons inside a terrestrial detector. The event rate is expected to modulate annually depending on the distance from the Sun. We have searched for the annual modulation signature using 832×359 kg⋅days of XMASS-I data. No significant event rate modulation is found, and hence we set the first experimental constraint on the KK axion–photon coupling of 4.8×10−12GeV−1 at the 90% confidence level for a KK axion number density of n¯a=4.07×1013m−3⁠, the total number of extra dimensions n=2⁠, and the number of extra dimensions δ=2 that axions can propagate in.
掲載誌名
Progress of Theoretical and Experimental Physics
ISSN
20503911
出版者
The Physical Society of Japan|Oxford University Press
2017
10
開始ページ
103C01
発行日
2017-10-31
権利情報
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
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言語
eng
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部局
理工学系