R. Yakabe, K. Nakamura, T. Ikeda, Hiroshi Ito, Y. Yamaguchi, R. Taishaku, Miki Nakazawa, H. Ishiura, Takuma Nakamura, T. Shimada, T. Tanimori, H. Kubo, A. Takada, H. Sekiya, A. Takeda, Kentaro Miuchi Department of Physics, Graduate School of Science, K. University, D. Physics, Astronomy, Kyoto University, K. Observatory, Inst. for Nucl. Research, T. U. O. Tokyo, K. I. F. T. Physics, M. Universe
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引用次数: 15
摘要
利用NEWAGE-0.3b’探测器进行了首次具有正尾灵敏度的三维定向暗物质搜索(三维矢量跟踪法)。该研究于2013年7月至2017年8月(Run14至Run18)在神冈地下实验室进行。总存活时间为434.85天，暴露量为4.51 kg / cdot /天。对于150gev /$c^2$ wimp，获得了90%自旋依赖的质子截面极限421 pb。这是通过三维矢量跟踪方法获得的第一个实验暗物质极限。
First limits from a 3D-vector directional dark matter search with the NEWAGE-0.3b’ detector
The first directional dark matter search with three-dimensional tracking with head-tail sensitivity (3d-vector tracking method) was performed with the NEWAGE-0.3b' detector. The search was carried out from July 2013 to August 2017 (Run14 to Run18) at the Kamioka underground laboratory. The total live time was 434.85 days corresponding to an exposure of 4.51 kg$\cdot$days. A 90 % spin-dependent WIMP-proton cross section limit of 421 pb for 150 GeV/$c^2$ WIMPs was obtained. This is the first experimental dark matter limit obtained by a 3d-vector tracking method.
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