| 1. | Wavepacket ; timedependent ; potential energy surface ; reaction cross section ; reaction rate constant ; ozone
波包含时势能面反应截面反应速率臭氧 |
| 2. | Due to the repulsive coulomb field , the effective impact parameter increases , and therefore the calculated reaction cross section decreases
库仑场的排斥效应使得核?核反应有效的碰撞参数增大，使计算的反应截面减小，同时这种修正的效应随能量增大而减小。 |
| 3. | 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。 |
| 4. | Therefore we could carry out numerical calculations and obtain the reaction cross section , the nucleon removal cross section and the momentum distribution in the scattering of a halo nucleus with any types of density distributions . we compare the reaction cross sections calculated in the few - body glauber theory and the optical - limit glauber theory
进一步对27p 、 28p反应截面的研究分析表明，考虑核芯2751的增大可以很好解释实验测量得到28p反应截面的增大，而要解释27p反应截面的异常增大，需要同时考虑核芯2 “ si增大和具有非常弥散空间分布的2s ， ， :态晕核子。 |
| 5. | It includes three steps : first , the experimental data in exfor format is evaluated . then , the optical potential parameters are got by using the code apom94 , and the direct inelastic discrete energy level reaction cross sections and angular distribution of every isotopes are got by using the code dppm . thus the ultimate commended data , which coincide with each other , can be obtained by using code nunf
其具体过程是先对exfor实验数据进行评价，给出实验数据评价值，然后，利用程序apom94计算光学位，利用dppm程序计算直接非弹分立能级反应截面和角分布，在此基础上，利用nunf理论计算程序获得各同位素本身数据以及各同位素与天然元素数据自洽的最终推荐值。 |
| 6. | Considering the diffuseness of the n - n scattering in the forward direction results in an increased reaction cross section . and also the angular distributions calculated in the glauber theory including these two corrections are in good agreement with the experiment data . in the investigation of the halo nucleus reaction with a loosely bound structure , one has to consider the strong spatial correlations among its constituents
考虑了低动量转移的核子?核子两体散射在朝前方向上的弥散，使计算得到的反应截面增大，而且我们从弹性角分布的分析中得到考虑了有限力程修正的效应无论是在峰的位置还是角分布的绝对值都能更好地符合实验。 |
| 7. | It is shown that the results calculated using the ccdwa are agreement with one of the accurate quantum mechanics employing the same potential . quantum mechanical tunneling is important in near threshold , and classical trajectory calculation is not good for prediction of the cross sections . the reaction cross sections calculated using different potentials is different , which show that the investigation of reaction cross section can provide evidence for test of accuracy of the potential energy surface
研究发现：势能面相同时用ccdwa方法计算的截面和公认精确的量子力学结果比较符合；阈能附近的量子力学隧道效应较为显著，准经典弹道方法不能很好的预言其截面；用不同势能面计算的反应截面有差别，说明反应截面的研究能为检验势能面的准确性提供依据。 |
| 8. | Nuclear reaction is the important mechanism for causing single event upset as well , especially for high - energy protons . all the formula needed for simulating proton - induced radiation effects are deduced . to bypass the obstacle of lacking nuclear reaction parameters of high - energy protons interacting with silicon , the author successfully obtained the necessary nuclear reaction cross sections by combining an intranuclear cascade nuclear reaction model with monte - carlo simulation , which are applied to the calculation of seu
整理、推导了数值模拟所需要的计算公式及连续慢化近似下的输运方程，自行编制了辐射屏蔽计算程序、单粒子效应计算程序、热?力学效应计算程序，并对所有计算程序进行了对应的验算，计算结果与公开发表的理论或实验结果相符合。 |
| 9. | 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。 |
