Search for bosonic superweakly interacting massive dark matter particles with the XMASS-I detector.

  title={Search for bosonic superweakly interacting massive dark matter particles with the XMASS-I detector.},
  author={K. Abe and K. Hieda and K. Hiraide and S. Hirano and Y. Kishimoto and K. Ichimura and K. Kobayashi and S. Moriyama and K. Nakagawa and M. Nakahata and H. Ogawa and N. Oka and H. Sekiya and A. Shinozaki and Y. Suzuki and A. Takeda and O. Takachio and D. Umemoto and M. Yamashita and B. Yang and S. Tasaka and J. Liu and K. Martens and K. Hosokawa and K. Miuchi and A. Murata and Y. Onishi and Y. Otsuka and Y. Takeuchi and Y. Kim and K. B. Lee and M. K. Lee and J. Lee and Y. Fukuda and Y. Itow and K. Masuda and H. Takiya and H. Uchida and N. Y. Kim and F. Kusaba and K. Nishijima and K. Fujii and I. Murayama and S. Nakamura},
  journal={Physical review letters},
  volume={113 12},
Bosonic superweakly interacting massive particles (super-WIMPs) are a candidate for warm dark matter. With the absorption of such a boson by a xenon atom, these dark matter candidates would deposit an energy equivalent to their rest mass in the detector. This is the first direct detection experiment exploring the vector super-WIMPs in the mass range between 40 and 120 keV. With the use of 165.9 day of data, no significant excess above background was observed in the fiducial mass of 41 kg. The… Expand

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