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BESS Experiment to Search for Cosmic Ray Antiparticle

BESS Experiment to Search for Cosmic Ray Antiparticle
寻找宇宙射线反粒子的 BESS 实验
批准号:
08044102
负责人:
YAMAMOTO Akira
金额:
$4.16万
依托单位国家:
日本
项目类别:
Grant-in-Aid for international Scientific Research
财政年份:
1996
资助国家:
日本
项目状态:
已结题
起止时间:
1996 至 1997

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中文摘要
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英文摘要
The Balloon-borne Experiment with t Superconducting magnet Spectrometer (BESS) has been carried out in a collaboration amongst High Energy Accelerator Research Organization, University of Tokyo, Kobe University, Institute for Space and Astronautical Science. The ballooning has been supported by NASA balloon project office.Search for cosmic-ray antiprotons has been carried out, and more than 400 cosmic-ray ntiprotons have been detected in an energy range of 0.5-1 GeV with the definitive identification by direct mass measurement.Search for antihelium has been also made and no candidates have been detected in a rigidity range below 16 GV with the possible upper limit of 3x10^<-6> in He-bar/He ratio. Those results have been published partly already published in Physical Review Letters and The Astrophysical Journal
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会议论文
T.Saeki et al.: "A New Limit on the Flux of Cosmic Antihelium" Physical Review Letters. (to be published). (1998)
T.Saeki 等人:“宇宙反氦通量的新限制”物理评论快报。
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通讯作者:
J.Ormes et al.: "Antihelium in Cosmic Rays:A New Upper Limit and Its Significance" The Astrophysical Journal. 482-2. 187-190 (1997)
J.Ormes 等人:“宇宙射线中的反氦:新的上限及其意义”《天体物理学杂志》。
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通讯作者:
A.Yamamoto, et al.: ""Balloon-Borne Experiment with a Superconducting Solenoidal Magnet Spectrometer"" Adv.Space Res. Vol.14, No.2. 75-87 (1994)
A.Yamamoto 等人:“超导螺线管磁力光谱仪的气球飞行实验”Adv.Space Res。
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通讯作者:
K.Yoshimura,et al.: "Observation of Cosmic-Ray Antiprotons at Energies below 500 MeV" Phys.Rev.Lett.75. 3792-3795 (1995)
K.Yoshimura 等人:“能量低于 500 MeV 的宇宙射线反质子的观察”Phys.Rev.Lett.75。
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