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1)  β-decay rate
β衰变率
1.
Aiming at the low-energy reaction and Gamow-Teller resonant transition, the influence of electron screening on theβ-decay rate in stellar interior is investigated in this paper.
针对低能反应和共振跃迁,分析了在恒星内部电荷屏蔽对β衰变率的影响。
2)  β ̄-decay
β~-衰变
3)  ~(160)Tb /β~-Decay
160Tb/β-衰变
4)  β decay
β衰变
1.
The key application of the method of analogy in nuclear physics is discussed from the viewpoint of history of physics and methodology,using the theories of nuclear energy level,β decay and meson as example.
以核能级、β衰变和核力的介子理论为例 ,从物理学史和方法论的角度论述了类比在核物理中的重要应
2.
The β decay phase space integral in stellar environment is discussed.
对恒星环境下β衰变的相空间积分进行了讨论。
3.
The influence of super-strong magnetic field on chemical potential of non-zero temperature electron gas is analyzed,and the change of eigen energy level in low-lying energy transition of β decay in super-strong magnetic field is studied,then the 59Fe,62Co is investigated as an example.
分析了超强磁场对非零温电子气体化学势的影响,研究了超强磁场下β衰变低能跃迁特征能级的变化情况,并以59Fe,62Co为例详细计算,结果表明,磁场B<1010T时,特征能级几乎不变,但是当达到超强磁场(B>1010T)时,特征能级明显降低。
5)  beta decay
β衰变
1.
The influence of strong magnetic field on beta decay in the crusts of neutron stars;
中子星壳层中强磁场与β衰变
2.
The results show that a weak magnetic field makes little effect on the beta decay,but a strong magnetic field(B>1012G) improves the rate of beta decay obviously.
分析了强磁场作用下中子星壳层中的β衰变率,以核素62Mn为例计算表明:弱磁场对中子星壳层中的β衰变几乎没有影响,强磁场(B>108T)使β衰变率显著增大。
6)  tritium beta decay
氚β衰变
1.
We calculate the effective mass terms of the tritium beta decay (<m>e) and the neutrinoless double beta decay (<m>m) in the minimal seesaw model with two heavy right-handed Majorana neutrinos.
在最小seesaw模型下计算了氚β衰变的有效质量(m)。
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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