The Renormalization Mixture Loop Chain Diagram Propagator in the SU ( 2) Model and the Differential Cross-section of the Proton-neutron Elastic Scattering SU(2)模型中的介子重整化混合圈链图传播子及其p+n→p+n微分截面
By using the improved relativistic optical potential, the protons-nucleus elastic-scattering differential cross-section, analytical power, and spin rotation function are calculated and analysed. 用改进的相对论性光学势讨论200Mev质子与核的弹性散射微分截面,分析本领和自旋转动函数。
The QCD behaviour for the valence quark distribution function of pion in the leading logarithm approximation and relevant differential cross-section 带头对数近似下的π介子价夸克分布函数的QCD行为和有关的微分截面
This article makes a research on the states of positron-electron scatter, and calculates the scattering matrix element, differential cross-section and the tatol section. 本文探讨了正负电子散射的几种情形,并分别计算出散射矩阵元、微分截面以及总截面。
It is shown that a phase variation of the nucleon-nucleon elastic scattering amplitude leads to a large increase in the calculated differential cross-section and a substantial improvement. 计算结果表明核子-核子弹性散射的位相变化使理论微分截面增大,改进了理论值与实验数据的符合。
In the present article, through the analysis of the differential equation of heat transfer for the equivalent cross-section spiral fin, the authors Successfully use the variational method to obtain the fin efficiency and the asymptotic solution of temperature distribution along the fin. 本文应用变分法求解矩形等截面螺旋肋片传热方程,得到了能满足一般工程应用要求的计算矩形等截面螺旋肋片效率的渐近表达式。
The electron mass is measured, and the linewidth of the coherent scattering is analyzed. By measuring the incoherent scattering photon energy, the incoherent scattering differential cross-section can be calculated. 测量了电子质量,分析了相干散射线宽,测量了非相干散射光子的能量,算出了非相干散射微分截面,给出了Θ~Θ+dΘ内散射光子微分截面与散射角关系。
With the Coulomb distorted wave Born approximation a formula for the Coulomb penetration factor of the p-D collision has been derived. It was applied to obtain the n-D scattering differential cross-section from the p-D phase shifts. 本文用库仑扭曲波Born近似,推导出p-D散射的库仑穿透因子,藉此可从p-D相移计算出n-D散射微分截面。
Differential equations are theoretically studied to describe the form of cross-section in the threshold motion status. 针对极端水流条件时河床断面形态未知问题,从理论上探讨了各点均处于临界起动动态平衡状态的断面曲线微分方程。
In this paper, on the base of small deflection theory of thin flexible, I have deduced the differential equations of the floor, a cross-section of the stiffness formula. 3. 本文以弹性薄板小挠度理论为基础,推导了楼板的微分方程,提出了截面刚度的计算公式。
Solution of differential equations and boundary conditions in accordance with its failure to arrive at the equivalent characteristic matrix can be obtained calculating the coefficient of variable cross-section length. 解微分方程,并根据其边界条件可得出等效失稳特征矩阵,可求得变截面长度计算系数。
According to the basic theory of DOAS, a linear relation between differential absorption cross-section and differential absorption spectrum is deduced. 由DOAS理论的基本公式推导出:测量的差分吸收光谱和参考差分吸收截面光谱所包含的面积具有线性关系。