1985 Vol. 9, No. 2
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Abstract:
The quark-quark scattering mechanism has been shown as one of the sources of cluster phenomena observed in the emulsion chamber experiments. In order to study the influence of gluon radiation on cluster formation, the physical processes involving glu...
The quark-quark scattering mechanism has been shown as one of the sources of cluster phenomena observed in the emulsion chamber experiments. In order to study the influence of gluon radiation on cluster formation, the physical processes involving glu...
Abstract:
Under the condition of the primary cosmic ray incidence with different composition, the multi-μ phenomena are simulated by the scaling model of the hadronic interactions included by the mechanism of jet production with large transverse momentum The r...
Under the condition of the primary cosmic ray incidence with different composition, the multi-μ phenomena are simulated by the scaling model of the hadronic interactions included by the mechanism of jet production with large transverse momentum The r...
Abstract:
In this paper we describe some properties of a planar drift chamber without field shaping electrodes. The detection efficiency, the relation between drift time and drift distance and charge spectra at different positions have been measured.
In this paper we describe some properties of a planar drift chamber without field shaping electrodes. The detection efficiency, the relation between drift time and drift distance and charge spectra at different positions have been measured.
Abstract:
A time of flight (TOF) system which consists of two large plastic scintillation counters is described. Cosmic-ray Muon with β>0.98 was used for the measurement of this system with On-line microcomputer at the flight distance 200 cm. The time of fligh...
A time of flight (TOF) system which consists of two large plastic scintillation counters is described. Cosmic-ray Muon with β>0.98 was used for the measurement of this system with On-line microcomputer at the flight distance 200 cm. The time of fligh...
Abstract:
The spin (6) limit of Interacting Boson-Fermion Model Ⅱ is further discussed on the basis of the representation theory of Lie group. We generalize the Young-tableau methods for Kronecker products of group representations and discuss in detail spinor ...
The spin (6) limit of Interacting Boson-Fermion Model Ⅱ is further discussed on the basis of the representation theory of Lie group. We generalize the Young-tableau methods for Kronecker products of group representations and discuss in detail spinor ...
Abstract:
A scalar coupling model of SU(2) Higgs and fermion is considered. The main results are: (1) Treating the Julia-Zee dyon as external potential, the equation system of the radial wave functions of the fermions is obtained. (2) The asymptotic solutions ...
A scalar coupling model of SU(2) Higgs and fermion is considered. The main results are: (1) Treating the Julia-Zee dyon as external potential, the equation system of the radial wave functions of the fermions is obtained. (2) The asymptotic solutions ...
Abstract:
When constraints of a system form a function group, the path integral quantum amplitude can exactly be beduced without adding the restrictions {χi,χj}=0 which are imposed on the gauge conditions or the "weak" concept. It can be shown that the contrai...
When constraints of a system form a function group, the path integral quantum amplitude can exactly be beduced without adding the restrictions {χi,χj}=0 which are imposed on the gauge conditions or the "weak" concept. It can be shown that the contrai...
Abstract:
The locally gauge invariant mean field approach is generalized from Abelian gauge groups to non-Abelian gauge groups. The SU(2) Yang-Mills-Higgs field coupling system is analyzed.
The locally gauge invariant mean field approach is generalized from Abelian gauge groups to non-Abelian gauge groups. The SU(2) Yang-Mills-Higgs field coupling system is analyzed.
Abstract:
The matrix elements of the nucleon-meson vertices and isobar-meson vertices due to one gluon exchange transition potential are calculated by using the generator coordinate method. The coupling constants of the vertices are in good agreement with the ...
The matrix elements of the nucleon-meson vertices and isobar-meson vertices due to one gluon exchange transition potential are calculated by using the generator coordinate method. The coupling constants of the vertices are in good agreement with the ...
Abstract:
The beam matching calculations in transverse motion for the 10MeV Beijing Proton Linac are described. The calculated results were used for the quadrupole currents when the Linac was operated. By trimming the quadrupole currents around their calculate...
The beam matching calculations in transverse motion for the 10MeV Beijing Proton Linac are described. The calculated results were used for the quadrupole currents when the Linac was operated. By trimming the quadrupole currents around their calculate...
Abstract:
Triple differential cross sections for p and α particles in fission induced by 720MeV 12C on 232Th are presented. The experimental results comfirm that p and α particles are emitted prior to fission, while the low energy components of p and α-spectra...
Triple differential cross sections for p and α particles in fission induced by 720MeV 12C on 232Th are presented. The experimental results comfirm that p and α particles are emitted prior to fission, while the low energy components of p and α-spectra...
Abstract:
Average γ-multiplicity of the cascade γ-rays from the residual nuclei corr esponding to α and 8Be direct emission in 12C+124Sn system has been measured by means of α-γ coincidence technique. The most possible initial orbital angular momentum obt...
Average γ-multiplicity
Abstract:
The variation of nuclear moment of inertia in the ground band with the nuclear angular momentum of rotational angular frequency is analyzed on the basis of our expression for the ground rotational band. The close connection between our expression and...
The variation of nuclear moment of inertia in the ground band with the nuclear angular momentum of rotational angular frequency is analyzed on the basis of our expression for the ground rotational band. The close connection between our expression and...
Abstract:
The complex off-shell single-particle potential in N=Z symmetric nuclear matter is computed with Skyrme interactions. The imaginary parts of the polarization and correlation contributions are calculated analytically and the real parts of them are obt...
The complex off-shell single-particle potential in N=Z symmetric nuclear matter is computed with Skyrme interactions. The imaginary parts of the polarization and correlation contributions are calculated analytically and the real parts of them are obt...
Abstract:
In this paper, the E2 operator in the scheme of U(15) model is studied by means of varying the parameters in the E2 operator itself. If is shown that, compared with the U(6) model, the U(15) model has some advantages in explaining the flexibility of ...
In this paper, the E2 operator in the scheme of U(15) model is studied by means of varying the parameters in the E2 operator itself. If is shown that, compared with the U(6) model, the U(15) model has some advantages in explaining the flexibility of ...
Abstract:
In the previous paper of the authors, it has been concluded that 6Li has obvious d+α cluster structure and the exchange effect connecting with α cluster may be neglected. In the present work, using the above results, the d+6Li elastic scattering phas...
In the previous paper of the authors, it has been concluded that 6Li has obvious d+α cluster structure and the exchange effect connecting with α cluster may be neglected. In the present work, using the above results, the d+6Li elastic scattering phas...
Abstract:
Vacuum solutions of conformally covariant equation for symmetric tensor field are discussed.
Vacuum solutions of conformally covariant equation for symmetric tensor field are discussed.
Abstract:
The anomalous high transverse momentum observed in 800 MeV/nucleon 12C+12C collisions is analysed. It is pointed out that this phenomenon can be naturally interpreted as evidence for the existence of multi-quark systems in nuclei. The results of prel...
The anomalous high transverse momentum observed in 800 MeV/nucleon 12C+12C collisions is analysed. It is pointed out that this phenomenon can be naturally interpreted as evidence for the existence of multi-quark systems in nuclei. The results of prel...
Abstract:
An estimation of the contribution from the vector meson intermediate state to the width of the radiative decay of a heavy vector meson into Higgs particle is given. Undersome approximation, it exhibits a value four times larger than that obtained fy ...
An estimation of the contribution from the vector meson intermediate state to the width of the radiative decay of a heavy vector meson into Higgs particle is given. Undersome approximation, it exhibits a value four times larger than that obtained fy ...
Abstract:
General expression for gauge covariant anomalous current is obtained from the difference of left handed and right handed Abelian anomaly in 2n+2 dimensions by the method of Weil homomorphism. The general form of symmetric and asymmetric anomalies. ga...
General expression for gauge covariant anomalous current is obtained from the difference of left handed and right handed Abelian anomaly in 2n+2 dimensions by the method of Weil homomorphism. The general form of symmetric and asymmetric anomalies. ga...
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