1) proton-halo nuclei
质子晕核
1.
We studied systematically the reaction dynamics induced by neutron-halo nuclei and proton-halo nuclei within the isospin dependent quantum molecular dynamics,such as the effects of loose bound halo-nuclei on the fragmentation reaction and momentum dissipation for different colliding systems with different beam energies and different impact parameters.
基于同位旋相关量子分子动力学研究了中子晕核和质子晕核的核反应动力学,着重研究了松散的晕结构对于重离子碰撞中的碎裂和动量耗散中的特殊作用。
2) proton halo state
质子晕核态
1.
By studying the variation of root mean square radius with the separation energy, conditions for the existence of halo states are pointed out, especially of the proton halo states.
通过研究均方根半径随结合能变化的规律 ,指出了晕核态存在的条件 ,尤其是质子晕核态存在的条件 。
3) neutron-halo nucleus
中子晕核
1.
The special role of neutron-halo nucleus 19B on the momentum dissipation was investigated by using isospin dependent quantum molecular dynamics.
利用同位旋相关量子分子动力学模型,对比和研究了中子晕核19B和相等质量稳定核19F在相同入射道条件下引起核反应动量耗散中的特征。
4) neutron-halo nuclei
中子晕核
1.
We studied systematically the reaction dynamics induced by neutron-halo nuclei and proton-halo nuclei within the isospin dependent quantum molecular dynamics,such as the effects of loose bound halo-nuclei on the fragmentation reaction and momentum dissipation for different colliding systems with different beam energies and different impact parameters.
基于同位旋相关量子分子动力学研究了中子晕核和质子晕核的核反应动力学,着重研究了松散的晕结构对于重离子碰撞中的碎裂和动量耗散中的特殊作用。
5) proton halo
质子晕
1.
First the probability of ~(25)P as the dripline nuclei of P isotope and the proton halo structure of ~(25) was discussed, and then the RIBLL experiental result of ~(25)P is presented.
研究了在相对论平均场近似下P同位素的滴线核的性质,首先在理论上探讨了25P作为P的滴线核存在的可能性及其可能具有的质子晕结构,然后给出了在兰州放射性束流装置上25P的实验鉴别结果。
2.
The new progress of proton halo researches in theory and experiment was introduced.
介绍了质子晕研究在理论和实验方面的最新进展 ,着重讨论了 2 s1 d壳的晕核结构和不同理论模型预示2 6~ 2 8P和2 7~ 2 9S中质子晕的存在 ,最近的实验证实了 2 6~ 2 8P核存在一个质子晕 。
3.
Both theoretical calculations and experimental observations show that there exists proton halo in the first excited state (1/2) + of 17 F.
理论和实验结果都表明17F的第一激发态有质子晕存在 。
6) neutron (proton) halo
中(质)子晕
补充资料:“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小,但磁动性很强,可使局部磁场波动增强,促使氢质子弛豫加快,从而使T1和T2缩短,这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子,所以其离子往往具有PEDDPRE,可用来作顺磁性对比剂,如钆(Gd)。Gd在外层有7个不成对电子,具有很强的顺磁性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条