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Answer to a question for the Half-life of Lu nuclear cosmochronometer

Answer to a question for the Half-life of Lu nuclear cosmochronometer
关于鲁核宇宙计时仪半衰期问题的解答
批准号:
21340068
负责人:
HAYAKAWA Takehito
金额:
$11.32万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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项目成果

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中文摘要
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英文摘要
For the problem of the Lu-176 half-life, we developed a detector system and introduced a laser system to generate laser Compton scattering gamma-ray beam. Ta-180 is a rare isotope and its astrophysical origin is unresolved question. We made a model to calculate the unstable ground state and meta-stable isomer. We concluded that the origin of Ta-180 can be explained by the supernova neutrino process. The origin of Sn-115 is also unknown. We have proposed Sn-115 has been produced by the s-process via a Cd-112 isomer and measured the neutron capture cross section.
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Reanalysis of the(J=5) state at 592 keV in T^^<180> a and its role in theγ-process nucleosynthesis of 180Ta in supernovae
T^^<180>a中592keV(J=5)态的再分析及其在超新星180Taγ过程核合成中的作用
DOI: --
发表时间: 2010
期刊: Phys. Rev. C
影响因子: --
作者: [T. Hayakawa, P. Mohr, T. Kajino, S. Chiba, G. J. Mathews]
通讯作者: G. J. Mathews
ガンマ線ビームが可能にする新しい技術-数十センチの金属内部の非破壊検査とがん治療-
伽马射线束使新技术成为可能 - 对数十厘米长的内部金属进行无损检查和癌症治疗 -
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [T. Akagi, S. Araki, J. Bonis, I. Chaikovska, R. Chiche, R. Cizeron, M. Cohen, E. Cormier, P. Cornebise, N. Delerue, R. Flaminio, S. Funahashi, D. Jehanno, Y. Honda, F. Labaye, M. Lacroix, R. Marie, C. Michel, S. Miyoshi, S. Nagata, T. Omori, Y. Peina, 田中正義, 水野恒史, K. Kanaya, 家入正治, 近藤威, K. Yoshinaga et al, 早川岳人]
通讯作者: 早川岳人
Neutron capture cross-section to Cd113 isomer and s-process contribution to rare p-nuclide Sn115
Cd113 异构体的中子俘获截面和对稀有 p 核素 Sn115 的 s 过程贡献
DOI: --
发表时间: 2009
期刊: Astrophysical Journal 707
影响因子: --
作者: [Hayakawa, T., Shizuma, T., Chiba, S., Kajino, T., Hatsukawa, Y., Iwamoto, N., Shinohara, N., Harada, H.]
通讯作者: H.
Applications of high-brightness gamma-rays from ERLs
ERL 高亮度伽马射线的应用
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [梅谷啓二, 成山展照, 近藤威, 栗原愛, 福本学, 菓子野元郎, 小野公二, 丸橋晃, 田中浩基, 篠原邦夫, S.Ejiri, J. Urakawa, T.Hayakawa]
通讯作者: T.Hayakawa
16
    Delbruck scattering using linearly polarized gamma-rays
    Proposal of measurements of M1 strengths in giant dipole resonance energy region
    • 批准号:
      25610061
    • 项目类别:
      Grant-in-Aid for Challenging Exploratory Research
    • 资助金额:
      $2.41万
    • 财政年份:
      2013
    • 负责人:
      HAYAKAWA Takehito
    • 依托单位:
    Study of origin of heavy elements using intense neutron beam
    • 批准号:
      24340060
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $11.65万
    • 财政年份:
      2012
    • 负责人:
      HAYAKAWA Takehito
    • 依托单位:
    Relationship between lifestyles and healthy cognitive impairment from the cardiovascular disease registry study
    • 批准号:
      20590515
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $3.08万
    • 财政年份:
      2008
    • 负责人:
      HAYAKAWA Takehito
    • 依托单位:
    海外基金