Search for cosmic-ray antideuterons.

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

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

Affiliation

Fuke H; Institute of Space and Astronautical Science (ISAS/JAXA), Sagamihara, Kanagawa 229-8510, Japan. fuke@balloon.isas.jaxa.jp

Phys Rev Lett ; 95(8): 081101, 2005 Aug 19.

Article in En | MEDLINE | ID: mdl-16196846

ABSTRACT

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 x 10(-4) (m2s sr GeV/nucleon)(-1) for the differential flux of cosmic-ray antideuterons, at the 95% confidence level, between 0.17 and 1.15 GeV/nucleon at the top of the atmosphere.

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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2005 Document type: Article Affiliation country: Japan Country of publication: United States

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