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集体坐标
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  collective coordinate
     The differential cross sections of the elastic scattering of near 1GeV proton on ~(40,42,44,48)Ca, ~(48)Ti, ~(58,60,62,64)Ni, ~(90)Zr and ~(208)Pb are calculated by use of the method of the collective coordinate and high energy cluster scattering theory for the Wood-Saxon potential.
     本文用“集体坐标与高能集团散射理论”的方法,取Woods-Saxon势,计算了1.04GeV质子与~(40,42,44,48)Ca、~(48)Ti、~(58,60,62,64)Ni之间的弹性散射微分截面; 1GeV质子与90Zr、~(208)Pb之间的弹性散射微分截面。
短句来源
     In this paper, the differential cross sections of the inelastic scatterings of protons of energy ~1 GeV on ~(152)Sm, ~(154)Sm and ~(176)Yb are calculated by the method of the collective coordinate and High Energy Cluster scattering theory, using axially symmetric rotational model and the optical model with a woods-saxon potential.
     本文用轴对称的转动模型和唯象的Woods-Saxon势; 以“集体坐标和高能集团散射理论”为骨架,计算了1GeV附近的质子与原子核~(152)Sm、~(154)Sm、~(176)Yb的0~+、2~+、4~+和6~+之间的散射微分截面。
短句来源
     HIGH ENERGY SCATTERING THEORY WITH COLLECTIVE COORDINATE
     高能散射的集体坐标理论
短句来源
  “集体坐标”译为未确定词的双语例句
     Bohr. the Scattering amplitude oftwo complex systems is given.
     Bohr的集体坐标,给出了两个复杂粒子系统间的散射振幅.
短句来源
     In this calculation we onlykeep second-order term of the collective variable α_(λv) of nuclear surface for V_1 and first-order of V_1 for the total initial wave function ψ_i~((+)) In distorted wave Green function, the absorptive channels as intermediate states are neglected.
     在计算中,V_1取到核表面集体坐标α_(λν)的二级项,总初态波函数Ψ_i~(+)取到V_1的一级项,在扭曲波格林函数中略去了作为中间态的吸收道。
短句来源
     The four-dimensional Langevin equation for two collective coordinates(the distance between the centers of mass of the dascent fragments and the neck parameter)and their conjugate momenta is used as a dynamical equation to describe the descent of Brownian particles from the saddle-point to the scission points,Monte-carlo method is used to slove the Langevin equation.
     本文将一个关于对称裂变的两个集体坐标(碎片质心距和颈部参数)及其共轭动量的四维Langevin方程作为描述布朗粒子从鞍点下降到断点这一扩散过程的动力学方程. 通过计算机模拟随机力冲量,用Monte Carlo方法求解了Langevin方程组.
短句来源
     The dynamics of rotationally symmetric sine Gordon solitons of large radius under poten-tial and dissipative perturbations is considered, with the help of a collective-coordinate desc-ription of the soliton and the Lagrangian variation method.
     用集体坐标和拉格朗日变分原理为基础的微扰论处理了n+1维旋转对称的sine-Go-rdon孤子在远离原点处受微扰势作用下的行为。
短句来源
  相似匹配句对
     HIGH ENERGY SCATTERING THEORY WITH COLLECTIVE COORDINATE
     高能散射的集体坐标理论
短句来源
     The Collective Agreement
     集体合同
短句来源
     THE GENERATOR COORDINATE METHOD AND NUCLEAR COLLECTIVE MOTIONS (Ⅶ) THE PRESERVATION OF SYMMETRY PRORERTIES
     生成坐标方法与原子核集体运动(Ⅶ)对称性的保持
短句来源
     Collectivity Self-abuse, Good!
     集体自慰,爽!
短句来源
     Sales Coordinate
     营销坐标
短句来源
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  collective coordinate
Semiclassical quantization of the SU(3)-skyrmion zero modes is performed by means of the collective coordinate method.
      
In the proposed scheme, the collective coordinate of atoms is measured and instantaneously compensated for via a spatial shift of the potential of the optical lattice.
      
This is done by expanding about the appropriate mean-field solution, the kink, and using the kink position as a collective coordinate.
      
Analysis of breather state in thin bar by using collective coordinate
      
A model consisting of a harmonic oscillator as a collective part and a spin whose orientation energy depends on the collective coordinate is studied in order to clarify this problem.
      
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In this paper, using collective coordinate of A. Bohr. the Scattering amplitude oftwo complex systems is given. Collective excitation for two complex systems in thescattering process are discussed.

本文用A.Bohr的集体坐标,给出了两个复杂粒子系统间的散射振幅.文中着重讨论了两个复杂粒子系统在散射过程中的集体激发的问题。

The quadrupole-octupole two-phonon excitations in inelastic scattering (α, α') at energies of 31 and 43 MeV are studied with DWBA method. Both- nuclear potential and Coulomb potential are considerd. The zeroth-order nuclear potential is taken tobe Woods-Saxon potential. The non-spherical symmetric part V_1 of the nuclear potential induced by the vibration of the target nucleus is considered as a perturbation. In this calculation we onlykeep second-order term of the collective variable α_(λv) of nuclear surface...

The quadrupole-octupole two-phonon excitations in inelastic scattering (α, α') at energies of 31 and 43 MeV are studied with DWBA method. Both- nuclear potential and Coulomb potential are considerd. The zeroth-order nuclear potential is taken tobe Woods-Saxon potential. The non-spherical symmetric part V_1 of the nuclear potential induced by the vibration of the target nucleus is considered as a perturbation. In this calculation we onlykeep second-order term of the collective variable α_(λv) of nuclear surface for V_1 and first-order of V_1 for the total initial wave function ψ_i~((+)) In distorted wave Green function, the absorptive channels as intermediate states are neglected. Furthermore, in the two-phonon excitation mechanism, it is assumed that the contribution of direct two-phonon excitation is important and the contribution of multiple two-phonon excitation is of less importance. The agreement between the theoretical and experimental angular distributions is reasonably well. It follows front this agreement that the 3.72 and 4.19 MeV levels in ~(64)Zn may be quadrupole-octupole two-phonon exciation levels abd the J~π of these levels may be 3~- and 5~- respectively.

本文用DWBA方法对两种入射能量E_α=31和43 MeV的~(64)Zn(α,α′)~(64)Zn~*非弹性散射中可能的四极-八极双声子激发进行了研究。考虑了核力势和库仑势,零级近似核力势取为Woods-Saxon势,由靶核振动引起的核力势的非球对称部分V_1作为微扰。在计算中,V_1取到核表面集体坐标α_(λν)的二级项,总初态波函数Ψ_i~(+)取到V_1的一级项,在扭曲波格林函数中略去了作为中间态的吸收道。此外在双声子激发机制中,假设直接双声子激发的贡献是主要的,相继双声子激发的贡献是次要的。所得的理论角分布与实验符合得相当好。由这种符合可推知~(64)Zn的3.72和4.19 MeV能级是四极-八极双声子激发能级,其角动量和宇称分别为3~-和5~-。

The differential cross sections of the elastic scattering of near 1GeV proton on ~(40,42,44,48)Ca, ~(48)Ti, ~(58,60,62,64)Ni, ~(90)Zr and ~(208)Pb are calculated by use of the method of the collective coordinate and high energy cluster scattering theory for the Wood-Saxon potential. The results are found to be in a good agreement with experimental data.

本文用“集体坐标与高能集团散射理论”的方法,取Woods-Saxon势,计算了1.04GeV质子与~(40,42,44,48)Ca、~(48)Ti、~(58,60,62,64)Ni之间的弹性散射微分截面;1GeV质子与90Zr、~(208)Pb之间的弹性散射微分截面。结果与实验值符合得较好。

 
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