1983 Vol. 7, No. 5
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Abstract:
A large area plastic scintillation counter (80×10×1cm2) for TOF measurement has been made and the timing performance of this system has been measured. Various effects on the timing performance have been studied.
A large area plastic scintillation counter (80×10×1cm2) for TOF measurement has been made and the timing performance of this system has been measured. Various effects on the timing performance have been studied.
Abstract:
Fluorescence light transmission in scintillators is a very important problem and affects the characters of scintillation counter. Fluorescence light collection in a large area scintillator is discussed in detail. The formulas of fluorescence collecti...
Fluorescence light transmission in scintillators is a very important problem and affects the characters of scintillation counter. Fluorescence light collection in a large area scintillator is discussed in detail. The formulas of fluorescence collecti...
Abstract:
A subquark model is proposed. According to this model, stratons and leptons are consisted of rishons T and V, which are multiplets of group SUH(3)×SUC(3)×SUG(2)×SU(2)×U(1). Three generations of both stratons and leptons are obtained naturally. In thi...
A subquark model is proposed. According to this model, stratons and leptons are consisted of rishons T and V, which are multiplets of group SUH(3)×SUC(3)×SUG(2)×SU(2)×U(1). Three generations of both stratons and leptons are obtained naturally. In thi...
Abstract:
In this paper we construct a lattice formulation of the pure gauge fields on a coset space in the cases of a group G with non-trivial topological property and of a chiral group G, and present a local gauge invariant action of a quark system on a four...
In this paper we construct a lattice formulation of the pure gauge fields on a coset space in the cases of a group G with non-trivial topological property and of a chiral group G, and present a local gauge invariant action of a quark system on a four...
Abstract:
The geometric meaning of the Riccati equation related to the structure of space is discussed. It is shown that the Riccati equation satisfied by the stereographic projection is essentially the structure equation of space.
The geometric meaning of the Riccati equation related to the structure of space is discussed. It is shown that the Riccati equation satisfied by the stereographic projection is essentially the structure equation of space.
Abstract:
We discuss the magnetic moment of W± bosons in W-S model. First we assume that there is no spontaneous symmetry broking. starting from the formalism of path integrals and using the gauge invariance requirement, we obtain the Ward-Takahashi identities...
We discuss the magnetic moment of W± bosons in W-S model. First we assume that there is no spontaneous symmetry broking. starting from the formalism of path integrals and using the gauge invariance requirement, we obtain the Ward-Takahashi identities...
Abstract:
In this paper, the matrix elements of the nucleon-meson vertices due to one gluon exchange transition potential Vq→qqq are calculated by using the generator coordinate method. We obtain that the interaction forms of the vertices are the same as the n...
In this paper, the matrix elements of the nucleon-meson vertices due to one gluon exchange transition potential Vq→qqq are calculated by using the generator coordinate method. We obtain that the interaction forms of the vertices are the same as the n...
Abstract:
A space charge lens has been designed and tested which can be used to focus intense ion beams at several tens of keV. The experimental results obtained can be interpreted with a simplified physical model. The existence of a space charge field and its...
A space charge lens has been designed and tested which can be used to focus intense ion beams at several tens of keV. The experimental results obtained can be interpreted with a simplified physical model. The existence of a space charge field and its...
Abstract:
In this paper, the increase of beam projective emittance caused by the momentum dispersion in the transport systems is discussed, and the incrementary ratio is derived. If the bending plane is (XOZ), the incrementary ratio of the transversal emittanc...
In this paper, the increase of beam projective emittance caused by the momentum dispersion in the transport systems is discussed, and the incrementary ratio is derived. If the bending plane is (XOZ), the incrementary ratio of the transversal emittanc...
Abstract:
A method correlating the dynamical equations with the diffusion equations is developed in this paper to explain the dissipations and fluctuations of heavy ion collisions. Considering the degrees of freedom about the relative motion, rotation and asym...
A method correlating the dynamical equations with the diffusion equations is developed in this paper to explain the dissipations and fluctuations of heavy ion collisions. Considering the degrees of freedom about the relative motion, rotation and asym...
Abstract:
Adopting two sets of Λ-N effective interaction given in the paper (I)[1], we have calculated the binding energies of 1-p shell hypernuclei based on the Hartree-Fock method in the multi-center shell model[2]. The results show that the effective intera...
Adopting two sets of Λ-N effective interaction given in the paper (I)[1], we have calculated the binding energies of 1-p shell hypernuclei based on the Hartree-Fock method in the multi-center shell model[2]. The results show that the effective intera...
Abstract:
Deformation motion of the fission process is considered as a diffusion motion. The fission rate in the steady approximation is calculated from the Fokker-planck equation by means of a complex matrix continued fraction method. Numerical calculation is...
Deformation motion of the fission process is considered as a diffusion motion. The fission rate in the steady approximation is calculated from the Fokker-planck equation by means of a complex matrix continued fraction method. Numerical calculation is...
Abstract:
The real part and the imaginary part of the optical potential and their volume integrals per nucleon for 40Ca and 208Pb are calculated on the basis of the modified Skyrme-forces with the t3ρα term (α<1) which was developed recently. The calculated re...
The real part and the imaginary part of the optical potential and their volume integrals per nucleon for 40Ca and 208Pb are calculated on the basis of the modified Skyrme-forces with the t3ρα term (α<1) which was developed recently. The calculated re...
Abstract:
The on shell and the off shell formulisms of the gluon propagators in a system of confined quarks and gluons are discussed, and the components of sea quarks found in a proton are calculated on the basis of the static spherical cavity approximation of...
The on shell and the off shell formulisms of the gluon propagators in a system of confined quarks and gluons are discussed, and the components of sea quarks found in a proton are calculated on the basis of the static spherical cavity approximation of...
Abstract:
By using the method of etching tracks from the reverse side of a plastic SSNTD, the cellulose acetate SSNTD made in China can be used for α spectrometer. The energy resolution for α particles of 5.31—8.78MeV is in the region of 66—90keV. A formula to...
By using the method of etching tracks from the reverse side of a plastic SSNTD, the cellulose acetate SSNTD made in China can be used for α spectrometer. The energy resolution for α particles of 5.31—8.78MeV is in the region of 66—90keV. A formula to...
Abstract:
The isomeric abolute cross-section and cross-section ratio have been measured by the direct activation method for the 45Sc(n, 2n) 44m,gSc reaction and 86Sr(n, 2n) 85m,gSr reaction induced by 14.8+0.4 MeV neutrons. The experimental results are compare...
The isomeric abolute cross-section and cross-section ratio have been measured by the direct activation method for the 45Sc(n, 2n) 44m,gSc reaction and 86Sr(n, 2n) 85m,gSr reaction induced by 14.8+0.4 MeV neutrons. The experimental results are compare...
Abstract:
The self-quenching streamer gas discharge mode is discussed. In this article we report the results for self-quenching streamer mode in electronic and optical observations, its operating efficiency, transfer to limited Geiger discharge mode, the corre...
The self-quenching streamer gas discharge mode is discussed. In this article we report the results for self-quenching streamer mode in electronic and optical observations, its operating efficiency, transfer to limited Geiger discharge mode, the corre...
ISSN 1674-1137 CN 11-5641/O4
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