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1)  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。
2)  β-delayed proton decauy
β延发质衰变
3)  delayed disintegration
缓发衰变
4)  beta decay
β(质点)衰变
5)  proton decay
质子衰变
6)  delayed proton
缓发质子
补充资料:质子衰变
分子式:
CAS号:

性质:不稳定原子核的一种衰变方式。原子核自发地发射一个质子并转变为原子序数小1的原子核。1981年在151Lu上首次观察到,目前已知大约10种放射性核素通过发射质子衰变,它们都处于幻质子数Z=50或幻中子数N=82附近。

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