1985 Vol. 9, No. 1
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Abstract:
The measurements of the electron drift velocity as a function of the electric field have been made in a small drift chamber with uniform electric field for Ar/CH4, Ar/i-C4H10, Ar/CO2 and SQS gas mixtures. The values of the electric field range from o...
The measurements of the electron drift velocity as a function of the electric field have been made in a small drift chamber with uniform electric field for Ar/CH4, Ar/i-C4H10, Ar/CO2 and SQS gas mixtures. The values of the electric field range from o...
Abstract:
The function, the structure and the cosmic ray test of the outer drift chamber for PEP-4 Experiment at SLAC are described.
The function, the structure and the cosmic ray test of the outer drift chamber for PEP-4 Experiment at SLAC are described.
Abstract:
A cheap real-time picture memory used for matching TV camera and TV monitor is described. The structure is very simple. It is able to do real-time accessing of video pictures and 256×256 picture elements with 4 bits of gray levels are used. The width...
A cheap real-time picture memory used for matching TV camera and TV monitor is described. The structure is very simple. It is able to do real-time accessing of video pictures and 256×256 picture elements with 4 bits of gray levels are used. The width...
Abstract:
In this paper both the normal product form and the coherent state form of the Wigner operator are derived. Furthermore, the applications of the new forms of the Wigner operator are also presented, which are involved in deriving some new quantum opera...
In this paper both the normal product form and the coherent state form of the Wigner operator are derived. Furthermore, the applications of the new forms of the Wigner operator are also presented, which are involved in deriving some new quantum opera...
Abstract:
The feature of Manton's lattice action in the SU(5) four-dimensional lattice gauge theory is investigated by means of Monte Carlo simulation. A rather smooth curve of the internal energy is obtained, no discontinuity in the average action perplaquett...
The feature of Manton's lattice action in the SU(5) four-dimensional lattice gauge theory is investigated by means of Monte Carlo simulation. A rather smooth curve of the internal energy is obtained, no discontinuity in the average action perplaquett...
Abstract:
The triangle lattice Eguchi-Kawai model is studied by using the Monte Carlo technique. The results indicate that in the two-dimensional case U(1) symmetry is not broken but in the three-dimensional case a clear evidence of spontaneous breaking of the...
The triangle lattice Eguchi-Kawai model is studied by using the Monte Carlo technique. The results indicate that in the two-dimensional case U(1) symmetry is not broken but in the three-dimensional case a clear evidence of spontaneous breaking of the...
Abstract:
The differential cross sections of the elastic scattering of K±on 40—48Ca are calculated in the framework of eikonal approximation. The theoretical values obtained by using different parameters are compared. Through adjusting the parameters of the ne...
The differential cross sections of the elastic scattering of K±on 40—48Ca are calculated in the framework of eikonal approximation. The theoretical values obtained by using different parameters are compared. Through adjusting the parameters of the ne...
Abstract:
An energy-independent nucleon-nucleon potential from meson exchanges is derived and the tensor force in this potential is investigated.
An energy-independent nucleon-nucleon potential from meson exchanges is derived and the tensor force in this potential is investigated.
Abstract:
In the frame of the first order approach of KMT multiple scattering theory, using the eikonal distored wave impulse approximation, together with the empirical transition densities, the inelastic scattering of the pion mesons on 40Ca is investigated, ...
In the frame of the first order approach of KMT multiple scattering theory, using the eikonal distored wave impulse approximation, together with the empirical transition densities, the inelastic scattering of the pion mesons on 40Ca is investigated, ...
Abstract:
The energy spectra and angular distributions of the emitted α particles in the reactions of the 69.5MeV 12C bombarding 12C,27Al and natCa have been measured and analysed using the fast particle exciton model. The contribution from the equilibrium and...
The energy spectra and angular distributions of the emitted α particles in the reactions of the 69.5MeV 12C bombarding 12C,27Al and natCa have been measured and analysed using the fast particle exciton model. The contribution from the equilibrium and...
Abstract:
The expansions of the excitation energy of the ground band in even-even deformed nucleus are discussed in the framework of our expression deduced in the previous papers. The conventional I(I+1)-expansion which is applicable to the region of low angul...
The expansions of the excitation energy of the ground band in even-even deformed nucleus are discussed in the framework of our expression deduced in the previous papers. The conventional I(I+1)-expansion which is applicable to the region of low angul...
Abstract:
The summed energy spectra and the angular correlation for two alpha particles from the 12C(α, 2α) 8Be reaction were measured.
The data show that the quasi-free scattering of incident alpha particle from the alpha cluster in 12C is probably the main me...
The summed energy spectra and the angular correlation for two alpha particles from the 12C(α, 2α) 8Be reaction were measured.
The data show that the quasi-free scattering of incident alpha particle from the alpha cluster in 12C is probably the main me...
Abstract:
Starting from the state density formula which accounts for proton-neutron distinguish ability, a modification for complexparticle emission probability in the preequilibrium exciton model is given, which modified the complex-particle emission probabil...
Starting from the state density formula which accounts for proton-neutron distinguish ability, a modification for complexparticle emission probability in the preequilibrium exciton model is given, which modified the complex-particle emission probabil...
Abstract:
The mechanism of transfering a cluster of nucleons between two colliding nuclei is considered to explain the backward angle oscillatory rise in the differential cross section of the elastic scattering between certain nuclei, such as 16O+24Mg or 20Ne+...
The mechanism of transfering a cluster of nucleons between two colliding nuclei is considered to explain the backward angle oscillatory rise in the differential cross section of the elastic scattering between certain nuclei, such as 16O+24Mg or 20Ne+...
Abstract:
A convenient method is introduced to calculate the rate of escape of Brownian particle over potential barriers by exact solution of Smoluchowskian equation. This method is applied to calculate the nuclear fission probabilities. The results for four d...
A convenient method is introduced to calculate the rate of escape of Brownian particle over potential barriers by exact solution of Smoluchowskian equation. This method is applied to calculate the nuclear fission probabilities. The results for four d...
Abstract:
The general equation of transverse motion is discussed and its solution is presented. It indicates that in the currently used equation of motion the focusing effect of the magnetic field is overestimated when the initial moment is not zero.
The general equation of transverse motion is discussed and its solution is presented. It indicates that in the currently used equation of motion the focusing effect of the magnetic field is overestimated when the initial moment is not zero.
Abstract:
The variational analysis of the phase structure of the SU(3) lattice gauge theory with a mixed fundamental-adjoint action is presented. All transitions are found to be the first order. The shape of the first order transition line is roughly consisten...
The variational analysis of the phase structure of the SU(3) lattice gauge theory with a mixed fundamental-adjoint action is presented. All transitions are found to be the first order. The shape of the first order transition line is roughly consisten...
Abstract:
The scattering amplitude of geometrical model is extented into a complex form. It is used to calculate the pp elastic scattering for √s=540GeV. It can fit the shape of the differential cross section and the dip position.
The scattering amplitude of geometrical model is extented into a complex form. It is used to calculate the pp elastic scattering for √s=540GeV. It can fit the shape of the differential cross section and the dip position.
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