Answer to a question for the Half-life of Lu nuclear cosmochronometer
Answer to a question for the Half-life of Lu nuclear cosmochronometer
批准号:
21340068
负责人:
HAYAKAWA Takehito
金额:
$11.32万
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
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
New estimate for the time-dependent thermal nucleosynthesisof T^^<180> a^m
T^^<180> a^m 的时间依赖性热核合成的新估计
DOI:
--
发表时间:
2010
期刊:
Phys. Rev. C
影响因子:
--
作者:
[T. Hayakawa, T. Kajino, S. Chiba, G. J. Mathews]
通讯作者:
G. J. Mathews
共 16 条
Delbruck scattering using linearly polarized gamma-rays
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批准号:18H03715
-
项目类别:Grant-in-Aid for Scientific Research (A)
-
资助金额:$27.79万
-
财政年份:2018
-
负责人:HAYAKAWA Takehito
-
依托单位:
Proposal of measurements of M1 strengths in giant dipole resonance energy region
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批准号:25610061
-
项目类别:Grant-in-Aid for Challenging Exploratory Research
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资助金额:$2.41万
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财政年份:2013
-
负责人:HAYAKAWA Takehito
-
依托单位:
Study of origin of heavy elements using intense neutron beam
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批准号:24340060
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项目类别:Grant-in-Aid for Scientific Research (B)
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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
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批准号:20590515
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$3.08万
-
财政年份:2008
-
负责人:HAYAKAWA Takehito
-
依托单位:
New Isomer in La-138 for supernova neutrino process
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批准号:18340071
-
项目类别:Grant-in-Aid for Scientific Research (B)
-
资助金额:$6.48万
-
财政年份:2006
-
负责人:HAYAKAWA Takehito
-
依托单位:
海外基金