Search for cosmic-ray antideuterons

H. Fuke, T. Maeno, K. Abe, S. Haino, Y. Makida, S. Matsuda, H. Matsumoto, J. W. Mitchell, A. A. Moiseev, J. Nishimura, M. Nozaki, S. Orito, J. F. Ormes, M. Sasaki, E. S. Seo, Y. Shikaze, R. E. Streitmatter, J. Suzuki, K. Tanaka, K. TanizakiT. Yamagami, A. Yamamoto, Y. Yamamoto, K. Yamato, T. Yoshida, K. Yoshimura

Research output: Contribution to journalArticlepeer-review

93 Citations (Scopus)


We performed a search for cosmic-ray antideuterons using data collected during four BESS balloon flights from 1997 to 2000. No candidate was found. We derived, for the first time, an upper limit of 1.9×10-4 (m2ssrGeV/nucleon)-1 for the differential flux of cosmic-ray antideuterons, at the 95% confidence level, between 0.17 and 1.15GeV/nucleon at the top of the atmosphere.

Original languageEnglish
Article number081101
JournalPhysical Review Letters
Issue number8
Publication statusPublished - Aug 19 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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