Search for cosmic-ray antideuterons.

Search for cosmic-ray antideuterons.
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DOI:
10.1103/physrevlett.95.081101
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发表时间:
2005-04
影响因子:
8.6
通讯作者:
H. Fuke;T. Maeno;K. Abe;S. Haino;Y. Makida;S. Matsuda;Hiroshi Matsumoto;J. Mitchell;A. Moiseev;J. Nishimura;M. Nozaki;S. Orito;J. Ormes;M. Sasaki;E. Seo;Y. Shikaze;R. Streitmatter;Junichi Suzuki;Kazushi Tanaka;K. Tanizaki;T. Yamagami;A. Yamamoto;Y. Yamamoto;K. Yamato;T. Yoshida;K. Yoshimura
H. Fuke;T. Maeno;K. Abe;S. Haino;Y. Makida;S. Matsuda;Hiroshi Matsumoto;J. Mitchell;A. Moiseev;J. Nishimura;M. Nozaki;S. Orito;J. Ormes;M. Sasaki;E. Seo;Y. Shikaze;R. Streitmatter;Junichi Suzuki;Kazushi Tanaka;K. Tanizaki;T. Yamagami;A. Yamamoto;Y. Yamamoto;K. Yamato;T. Yoshida;K. Yoshimura
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
H. Fuke;T. Maeno;K. Abe;S. Haino;Y. Makida;S. Matsuda;Hiroshi Matsumoto;J. Mitchell;A. Moiseev;J. Nishimura;M. Nozaki;S. Orito;J. Ormes;M. Sasaki;E. Seo;Y. Shikaze;R. Streitmatter;Junichi Suzuki;Kazushi Tanaka;K. Tanizaki;T. Yamagami;A. Yamamoto;Y. Yamamoto;K. Yamato;T. Yoshida;K. Yoshimura

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我们使用1997年至2000年四次贝斯气球飞行期间收集的数据,对宇宙射线反重离子进行了搜索。找不到候选人。在95%的置信度水平下,我们首次得到了宇宙线反质子微分通量的上限为1.9×10~(-4)(M_2S_sr_(GeV)/核子)(-1),在大气层顶部的0.17到1.15GeV/核子之间。
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.