1996 Vol. 20, No. 4
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Abstract:
By using a detection system combining Time-of-Flight(TOF)method with(△E-E)technique,the excitation functions,the dependence of energy coherence widthΓon product mass A and the dependence of Γon the degree of freedom of neutron excess N/Z for some ele...
By using a detection system combining Time-of-Flight(TOF)method with(△E-E)technique,the excitation functions,the dependence of energy coherence widthΓon product mass A and the dependence of Γon the degree of freedom of neutron excess N/Z for some ele...
Abstract:
The azimuthal Structure of partivles produced in pp collisions at 400 GeV/c was investigated by using different methods.The analytic results of one and two-dimensional scaled factorial moments indicate that the intermittent effect is stronger for two...
The azimuthal Structure of partivles produced in pp collisions at 400 GeV/c was investigated by using different methods.The analytic results of one and two-dimensional scaled factorial moments indicate that the intermittent effect is stronger for two...
Abstract:
The inclusive energy spectra of intermediate-mass fragments(IMF)(3≤Z≤9)have been measured in the range from 20°to 155°for 40Ar+159Tb reaction at 25MeV/u.At backward angles,the spectra of IMF show a characteristic of statistic evaporation and can be w...
The inclusive energy spectra of intermediate-mass fragments(IMF)(3≤Z≤9)have been measured in the range from 20°to 155°for 40Ar+159Tb reaction at 25MeV/u.At backward angles,the spectra of IMF show a characteristic of statistic evaporation and can be w...
Abstract:
The anisotropy of azimuthal distribution for the final state particles in the center-of-mass coordinate systems where the z axis is rotated to various polar angles in the reaction plane is studied.A method to determine the flow angle is proposed. Stu...
The anisotropy of azimuthal distribution for the final state particles in the center-of-mass coordinate systems where the z axis is rotated to various polar angles in the reaction plane is studied.A method to determine the flow angle is proposed. Stu...
Abstract:
The macro-microscopic model is applied to study the properties of the nuclei far from stability line.Some results are obtained,e.g.proton and neutron drip line,changes of proton and neutron density distributions,the rms radii and neutron skin thickne...
The macro-microscopic model is applied to study the properties of the nuclei far from stability line.Some results are obtained,e.g.proton and neutron drip line,changes of proton and neutron density distributions,the rms radii and neutron skin thickne...
Abstract:
A form of densities suitable for applications of extended Thomas-Fermi(ETF)method is proposed.With SkM* force parameters,ground state properties of some Spherical nuclei are calculated.The results,in a general way,are better than those with ordinaril...
A form of densities suitable for applications of extended Thomas-Fermi(ETF)method is proposed.With SkM* force parameters,ground state properties of some Spherical nuclei are calculated.The results,in a general way,are better than those with ordinaril...
Abstract:
The variation of equipotential lines of interaction potential with the intuitively gives the information about the fluctuation of the potential in intermediate energy heavy ion collisions.At the early stage of collisions the potential value in the ce...
The variation of equipotential lines of interaction potential with the intuitively gives the information about the fluctuation of the potential in intermediate energy heavy ion collisions.At the early stage of collisions the potential value in the ce...
Abstract:
The analytical limits of a speacial potential of the Bohr Hamiltonian are discussed in detail.A new formula for the axial symmetric,triakial deformed and the γ-soft nuclei is presented.The nuclear γ deformation can be identified with this formula.The...
The analytical limits of a speacial potential of the Bohr Hamiltonian are discussed in detail.A new formula for the axial symmetric,triakial deformed and the γ-soft nuclei is presented.The nuclear γ deformation can be identified with this formula.The...
Abstract:
The effects of radial expansion energy on the mean field and nucleon-nucleon cross section are studied by using Skyrme interaction.It is found that radial expansion energy is Strongly influenced by mean field,and on the contrary,the dependence on the...
The effects of radial expansion energy on the mean field and nucleon-nucleon cross section are studied by using Skyrme interaction.It is found that radial expansion energy is Strongly influenced by mean field,and on the contrary,the dependence on the...
Abstract:
Applying the method proposed by R.Crespo and J.A.Tostevin to p-3He elastic scattering,we study the treatment of Coulomb interaction of momentum space.The differential cross sections and spin observables at 500 and 300 MeV are calculated with R=7fm.Th...
Applying the method proposed by R.Crespo and J.A.Tostevin to p-3He elastic scattering,we study the treatment of Coulomb interaction of momentum space.The differential cross sections and spin observables at 500 and 300 MeV are calculated with R=7fm.Th...
Abstract:
The different choices for phase space variables in the study of anomalous scaling in high energy multiparticle production are discussed. In order to overcome the shortcomings of the transverse variables currently used,a set of new transverse variable...
The different choices for phase space variables in the study of anomalous scaling in high energy multiparticle production are discussed. In order to overcome the shortcomings of the transverse variables currently used,a set of new transverse variable...
Abstract:
A quark-quark potential is derived from the linear expression of the Lagrangian Which is invariant under the SU(3)L×SU(3)R infinitesimal transformation,and further used to make a qualitative analysis on the Λ-N interaction.The result shows that the S...
A quark-quark potential is derived from the linear expression of the Lagrangian Which is invariant under the SU(3)L×SU(3)R infinitesimal transformation,and further used to make a qualitative analysis on the Λ-N interaction.The result shows that the S...
Abstract:
Electron beam transverse temperatures on HIRFL-CSR electron cooler are deduced from motion equations of single electron in themagnetic field. Some important conclusions have Been drawn.
Electron beam transverse temperatures on HIRFL-CSR electron cooler are deduced from motion equations of single electron in themagnetic field. Some important conclusions have Been drawn.
Abstract:
The beam dynamics in RF thermionic guns is studied using simulation method in this paper.A RF thermionic gun simulation code is compiled.It is a versatile multiparticle trace code,besides use for RF thermionic guns,capable of simulations of photocath...
The beam dynamics in RF thermionic guns is studied using simulation method in this paper.A RF thermionic gun simulation code is compiled.It is a versatile multiparticle trace code,besides use for RF thermionic guns,capable of simulations of photocath...
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