1) neutron (proton) emission
中子(质子)发射
2) ratio of emitted neutron and proton
发射中子-质子比
3) neutron-proton ratio of nucleon emissions
核子发射中子-质子比
4) free neutron-proton ratio
发射核子中-质比
1.
Based on the isospin-and momentum-dependent transport model IBUU04,the transverse momentum distri- butions of the free neutron-proton ratio in the ~(132)Sn+~(124)Sn reaction system at mid-central collisions with beam energies of 400/AMeV,600/AMeV and 800/AMeV are studied by using two different symmetry energies.
基于同位旋和动量依赖的强子输运模型IBUU04,采用两种具有不同密度依赖的对称能研究了~(132)Sn+~(124)Sn反应系统在400MeV/A,600MeV/A,800MeV/A三种不同碰撞能量下中快度发射核子中-质比随横动量的变化关系。
5) proton emission
质子发射
1.
It is introduced that the proton emission from a spherical nucleus can be well described by WKB method, while that from a deformed nucleus must be described by means of solving coupled channel Schrdinger equations.
球形核的质子发射用 WKB方法可以很好地描述 ,变形核的质子发射则须解耦合道的薛定谔方程 。
6) neutron emission
中子发射
1.
Preequilibrium neutron emissions from nucleus-nucleus collisions 36Ar+108Ag (35MeV/u) and 14N+108Ag (35MeV/u) are simulated in the BUU model.
利用BUU模型模拟核-核碰撞36Ar+108Ag(35Mev/u)、14N+108Ag(35MeV/u)中的平衡前中子发射。
2.
By using the {c,h,α} parameterization to describe the deformation process of heavy nuclei,a Langevin equation for fission dynamics with neutron emission is presented and the Monte-Carlo calculations of pre-scission neutron multiplicities are performed.
用{c,h,α}核表面方程描写重核的形变,建立了含中子发射的裂变动力学的耦合Langevin方程,完成了断点前中子蒸发多重性的蒙特卡罗计算。
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