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total reaction
相关语句
  反应总
    Effect of Surface Diffuseness of Neutron Distribution on Nuclear Total Reaction Cross Section
    中子分布弥散度对反应总截面的影响
短句来源
    Influence of Energy-Modified Glauber Model on Total Reaction Cross Section at Intermediate-Energy
    能量修正的Glauber模型对中能反应总截面的影响
短句来源
    In the theoretical calculation of total reaction cross section, the results can fit the experimental data very well at high energy, but they are about 10%—20% lower at intermediate energy.
    在对反应总截面的理论计算中 ,现有的理论计算值与实验数据在高能区可以很好的符合 ,但在中能区理论值低于实验值约 10 %— 2 0 % .
短句来源
    And then according to experimental total reaction cross section of halo nucleus on stable nucleus we have gotten the density distributions of halo nuclei 11Be, 14Be and 11Li with a long tail of halo neutron distribution and root mean square (RMS) radii of them. It is obvious that the large RMS radii and extended density distribution in comparison with their neighborhood nuclei demonstrate that 11Be, 14Be and 11Li are typical halo nuclei.
    结果发现对于11Be ,14Be和11Li等入射核 ,必须考虑它们的晕核结构和利用自由的核子 -核子碰撞截面才能得到与实验符合的反应截面 ,并可依据反应总截面来确定晕核的密度分布和均方半径等信息
短句来源
  核反应总
    Excitation Function Measurement of Total Reaction Cross Section at Intermediate Energy for Light Exotic Nuclei
    中能轻奇异核反应总截面的激发函数测量
短句来源
    Total Reaction Cross Section of Nucleus-Nucleus Collision and Density Distributions of Halo Nuclei
    晕核反应总截面和密度分布
短句来源
    Study of 2n-Removal and Total Reaction Cross Section Induced by ~11Li in BUU Framework
    利用BUU模型研究~(11)Li的核反应总截面和双中子剥去截面(英文)
短句来源
    A Detector System Used for the Measurement of Total Reaction Cross Section and Its
    一个奇异核反应总截面的探测系统及其应用
短句来源
    Improved Glauber Theory and the Total Reaction Cross Section of the Nucleus-Nucleus Collision
    改进的Glauber理论和核-核反应总截面
短句来源
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  total reaction
That is, the contribution of intercalated metalcarbon complex to total reaction intermediates was larger in K2CO3 than Na2CO3.
      
On the contrary, when Cu is alloyed with Ni, the rate of thickness change of the total reaction layer first increases and reaches a maximum at a composition of about 10 at.% Ni.
      
The total reaction rate is determined by the sum of the rates of the processes with the participation of the T1 and T2 states.
      
The total reaction cross sections are also obtained as functions of k2.
      
By comparing with the oxidizability of compact titanium, we estimated the total reaction surface S of the porous specimens as a function of their oxidation conditions.
      
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The effect of surface diffuseness of neutron distribution on total reaction cross section σR is discussed based on coulomb-modified Glauber model. Considering a relation of surface diffuseness of neutron distribution with the neutron separation energy of nuclei, the large increasing of nuclear total reaction cross section for exotic nuclei (such as6He, 8He, 11Li, 11Be) on 12C target can be reasonably explained.The total reaction cross section for a large number of stable nuclear systems can...

The effect of surface diffuseness of neutron distribution on total reaction cross section σR is discussed based on coulomb-modified Glauber model. Considering a relation of surface diffuseness of neutron distribution with the neutron separation energy of nuclei, the large increasing of nuclear total reaction cross section for exotic nuclei (such as6He, 8He, 11Li, 11Be) on 12C target can be reasonably explained.The total reaction cross section for a large number of stable nuclear systems can also be reproduced over an energy range beginning witb the coulomb barrier to a few GeV/nucleon.

在引入库仑场修正的Glauber模型基础上,区分入射弹核和靶核中的中子、质子,并考虑有限力程相互作用,发展了一个计算核反应总截面的微观修正模型.如果引入一个核内中子分布弥散度随中子分离能的变化关系,则能较好地解释奇异核(如8He,11Li,11Be)反应总截面的反常增加.同时,该修正模型还能在低能到高能的范围内较好地拟会稳定核的反应总截面.

The energy and isospin dependent nucleon-nucleon cross section is incorporated in the QMD model. The numerical stable 11Li nucleus is sampled by using the harmonic oscillator type density. The total reation cross section of 11Li+12C is studied in detail and compacts with the results calculated by using the Cugnon parameterization nucleon-nucleon cross section. It is revealed that the increase of total reaction cross section 11Li+12C in low and medium energy region is resulted from the increase of elementary...

The energy and isospin dependent nucleon-nucleon cross section is incorporated in the QMD model. The numerical stable 11Li nucleus is sampled by using the harmonic oscillator type density. The total reation cross section of 11Li+12C is studied in detail and compacts with the results calculated by using the Cugnon parameterization nucleon-nucleon cross section. It is revealed that the increase of total reaction cross section 11Li+12C in low and medium energy region is resulted from the increase of elementary nucleon-nucleon cross section and the time scale, and from the decrease of the Pauli Blocking effect.

将能量和同位旋相关的核子-核子碰撞截面引入QMD模型中,并利用壳模型中简谐振子位的密度分布,抽样出稳定的11Li核.仔细研究了11Li+12C反应的总截面.同Cugnon参数化计算结果进行比较发现,在中低能区,引起反应总截面增大的主要原因是,该能区核子-核子碰撞截面增大、反应时间尺度增长以及Pauli阻塞效应减小.

A comparison of interaction cross section at relativistic and intermediate energy provides important information about the existence of tail component in the density distribution. The Glauber model calculation always underestimates the total reaction cross section at intermediate energy. The differences are enhanced for halo and skin nuclei. The method to extract the size of nuclei via Glauber model seems to have some ambiguity. The excitation function of total reaction cross section at intermediate...

A comparison of interaction cross section at relativistic and intermediate energy provides important information about the existence of tail component in the density distribution. The Glauber model calculation always underestimates the total reaction cross section at intermediate energy. The differences are enhanced for halo and skin nuclei. The method to extract the size of nuclei via Glauber model seems to have some ambiguity. The excitation function of total reaction cross section at intermediate energy for some light exotic nuclei should be measured. Such experimental data will possibly give the chance to solve above problem.

通过对中能区和相对论能区反应总截面的比较, 可对了解核中核子密度分布的尾巴分量提供重要的信息, Glauber 模型的计算总是低估中能区的反应总截面, 对中子晕核和中子皮核, 这种低估更为严重. 因此, 基于 Glauber 模型从反应总截面提取核的大小存在着一些问题. 对一些轻的奇异核进行中能区核反应总截面的激发函数测量可能会有助于上述问题的解决

 
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