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1)  β-delayed proton decauy
β延发质衰变
2)  β-delayed proton decay
β缓发质子衰变
1.
Itsβ-delayed proton decay was studied by means of "p-γ" coincidence in combination with a He-jet tape transport system, including half-lives, proton energy spectra,γ-transitions following the proton emissions, and the branching ratios to the low-lying states in the grand-daughter nuclei.
利用40Ca+96Ru融合蒸发反应产生了近质子滴线核133Sm,配合氦喷嘴带传输系统采用“质子-γ”符合方法观测了它们的β缓发质子衰变,其中包括半衰期、质子能谱、第二代子核低位态之间的γ跃迁,并估计出衰变到第二代子核不同低位态的分支比。
2.
Their β-delayed proton decays were studied by means of "p-γ" coincidence in combination with a He-jet tape transport system, including half-lives, proton energy spectra, "γ-transitions following the proton emissions, and the branching ratios to the low-lying states in the grand-daughter nuclei.
利用40Ca+106Cd融合蒸发反应产生了近质子滴线核140Tb和141Dy,配合氦喷嘴带传输系统采用“质子-γ”符合方法观测了它们的β缓发质子衰变,其中包括半衰期、质子能谱和衰变到第二代子核不同低位态的分支比。
3)  beta decay
β(质点)衰变
4)  β-delayed particle decay
β延迟粒子衰变
5)  β delayed fission
β延发裂变
6)  Beta-delayed proton emitter
β延迟质子发射
补充资料:β+衰变放射性核素
分子式:
CAS号:

性质:指放射性衰变时,发射β+辐射的缺中子放射性核素。当多余的质子转变成中子(质子过程)时,放出β+粒子和中微子,即p+→n+e++v。β+衰变后生成的子体核素与母体核素相比质量数不变,原子序数减少一个单位。β+衰变放射性核素,多用加速器制备,如11C,13N,15O和18F等重要的医用短寿命放射性核素。

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