| 1. | Describing antiproton - nuclear scattering by using each annihilation potential is feasible 各湮没势模型都能较好地描写反质子-核散射过程。 |
| 2. | The recoil atoms with high energy and the residual nuclear are dealt with in a strict way 计算中对核散射产生的次级粒子及核反应剩余核都进行了跟踪。 |
| 3. | Both the reaction and nucleon removal cross section are derived with or without considering the meson production , and the relevant expressions are given 讨论了有和无介子产生两种情况下的晕核散射反应截面和核子逃逸截面,给出了相应的计算公式。 |
| 4. | The incident high - energy protons interact with the silicon material in the way that is approximate to the three unrelated mechanisms : nuclear scattering , electronic process and nuclear reaction 高能质子与硅材料的相互作用近似为核散射、电子阻止和核反应三个相互独立的过程。 |
| 5. | The microscopic mechanisms of interaction of high - energy proton with material are studied in detail , including nuclear scattering , nuclear reaction and electronic stopping of protons 从微观机制出发,系统地对质子辐射与材料的相互作用基本物理过程进行了描述,入射质子与靶材料的作用主要为核散射和电子作用,在高能质子入射的情况下还有核反应的发生。 |
| 6. | Recently a few - body glauber theory has been proposed , where the core and halo nucleons are treated separately . we apply the few - body glauber theory to halo nucleus reactions and extend it to the halo nucleus with more than one or two halo nucleons 研究晕核反应时需要考虑晕核各个组成部分之间的空间关联,对此我们应用将晕核核芯和晕核子分开处理的少体近似glauber模型,并且将其推广到了含有多个晕核子的晕核散射。 |
| 7. | Since in the few - body glauber theory the core and valence nucleons of a halo nucleus are treated separately , the obtained expressions of the reaction cross section , the nucleon removal cross section and the momentum distribution are all involved in multidimensional integrations 由于在少体近似glauber模型中晕核被分成核芯和晕核子来处理,所以得到的晕中国原子能科学研究院博士学位论文核散射反应截面、核子逃逸截面以及动量分布的计算公式均包含高重积分。 |
| 8. | The energy loss of protons or silicon nuclei due to nuclear scattering is calculated using binary collision approximation and the " magic " formula is used to calculate the scattering angle . the electronic energy loss is calculated by bethe - bloch formulation at high energy , by linhard - scharff formulation at low energy and the interpolation formulation is used for the medium energy region . the nuclear reaction is calculated using intra - nuclear cascade model 核散射采用经典两体碰撞近似,并用“梦幻”公式求解散射角;电子阻止在高能时采用bethe - bloch公式,低能时采用lindhard - scharff公式,中能时采用biersack的插值公式;核反应过程采用核内级联模型。 |
| 9. | It has important theoretical meaning for reflecting the research of the interaction potential of nuclear force has important theoretical meanings in the framework of glauber theory and distorted wave impulse approximation ( dwia ) , being spin - independent , inelastic scattering three low exciting states ( j * = 2 ~ ( + ) , 4 本工作的目的是借助反质子-核散射来探索反核子-核子相互作用势的最佳形式及相应的势参数,对反映核力的相互作用势的研究具有十分重要的理论意义。 |
| 10. | Through a systematic study on reaction cross sections and the angular distribution of the stable nucleus scatterings , we find that the inclusion of the n - n finite range interaction and coulomb modification in the glauber theory plays very important role in reproducing the experiment data at these energy regions 通过稳定核,从轻核到重核中低能散射反应截面和弹性角分布的系统计算,分析显示在glauber理论计算中库仑场和核子?核子两体相互作用有限力程修正对于正确描述中低能稳定核散射有着重要作用。 |