1991 Vol. 15, No. S2
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Abstract:
In this paper, the structure and technology of the End-Cap Shower Counters for Beijing Spectrometer are described. The tension of anode wires, leakage currents and some inspection results of sampling tubes are given.
In this paper, the structure and technology of the End-Cap Shower Counters for Beijing Spectrometer are described. The tension of anode wires, leakage currents and some inspection results of sampling tubes are given.
Abstract:
After 215 blocks of K6, K7 and K8 lead emulsion chambers of the Mt. Kanbala experiment are carefully scanned, 111 muon events with zenith angle M (=tgθ) ≥ 2.5 are found. The energy of muon showers are determined by saddle-shape curves. The intensity ...
After 215 blocks of K6, K7 and K8 lead emulsion chambers of the Mt. Kanbala experiment are carefully scanned, 111 muon events with zenith angle M (=tgθ) ≥ 2.5 are found. The energy of muon showers are determined by saddle-shape curves. The intensity ...
Abstract:
The formulas of the space charge field for annulus and variable disc bunch of charged particles and the methods of the calculation are developed. The usage of the calculation results in the field of computer simulation of the beam dynamics is introdu...
The formulas of the space charge field for annulus and variable disc bunch of charged particles and the methods of the calculation are developed. The usage of the calculation results in the field of computer simulation of the beam dynamics is introdu...
Abstract:
The electron clouds in high vacuum confined by electromagnetic fields and sustained by thermionic emission are studied. The density distribution, temperature, drift angular velocity and diffusion flow density of the electrons and the electric potenti...
The electron clouds in high vacuum confined by electromagnetic fields and sustained by thermionic emission are studied. The density distribution, temperature, drift angular velocity and diffusion flow density of the electrons and the electric potenti...
Abstract:
This report describes the experimental terminal of the large-area ionization chamber connected with the HIRFL accelerator in Lanzhou. The basic structure of the terminal and detector systems is introduced. Some measurement results of the detectors ar...
This report describes the experimental terminal of the large-area ionization chamber connected with the HIRFL accelerator in Lanzhou. The basic structure of the terminal and detector systems is introduced. Some measurement results of the detectors ar...
Abstract:
The perturbative theory in the pure coset gauge field theory is studied in this paper. By using the Bjorken-Johnson-Low technique and calculating the Schwinger term in related commutators, the anomalous Ward identity in the pure Abelian coset gauge f...
The perturbative theory in the pure coset gauge field theory is studied in this paper. By using the Bjorken-Johnson-Low technique and calculating the Schwinger term in related commutators, the anomalous Ward identity in the pure Abelian coset gauge f...
Abstract:
The glueball interpretation of the ξ (2230) is discussed when the gluon has only the transverse polarization components.
The glueball interpretation of the ξ (2230) is discussed when the gluon has only the transverse polarization components.
Abstract:
Based on the two-fireball model, the multiparticle production process in p-p collisions is described. In terms of the geometrical model of nuclear collisions, the rapidity distribution of negatively charged particles obtained by NA35 group is fitted ...
Based on the two-fireball model, the multiparticle production process in p-p collisions is described. In terms of the geometrical model of nuclear collisions, the rapidity distribution of negatively charged particles obtained by NA35 group is fitted ...
Abstract:
High spin state in 153Dy is studied up to 81/2 h through the in-beam γ-ray spectroscopy technique. The reaction of 122Sn (36S, 5n) is used at a beam energy of 165 MeV. Above the I=47/2 h isomeric state, complex single-particle structure is dominant a...
High spin state in 153Dy is studied up to 81/2 h through the in-beam γ-ray spectroscopy technique. The reaction of 122Sn (36S, 5n) is used at a beam energy of 165 MeV. Above the I=47/2 h isomeric state, complex single-particle structure is dominant a...
Abstract:
The onset of deformation in the N=88~90 region and the effects of the gap at the Z=64 subshell on nuclear structure are investigated in a microscopic approach of the interacting boson model. Besides the n-p interaction, the distribution of single par...
The onset of deformation in the N=88~90 region and the effects of the gap at the Z=64 subshell on nuclear structure are investigated in a microscopic approach of the interacting boson model. Besides the n-p interaction, the distribution of single par...
Abstract:
The phase transitions of the low-lying energy spectrum structure of the Ba isotopes and Sm isotopes are studied in the framework of the microscopic IBM-2 based on the boson expansion. It seems possible to describe the phase transitions in a uniform w...
The phase transitions of the low-lying energy spectrum structure of the Ba isotopes and Sm isotopes are studied in the framework of the microscopic IBM-2 based on the boson expansion. It seems possible to describe the phase transitions in a uniform w...
Abstract:
An improved approach to the treatment of the staggering phenomenon in nuclear energy spectra in the framework of the IBM2 is described in this paper. By applying this approach to the even-even isotopes, Ru and Pt, the relation between the staggering ...
An improved approach to the treatment of the staggering phenomenon in nuclear energy spectra in the framework of the IBM2 is described in this paper. By applying this approach to the even-even isotopes, Ru and Pt, the relation between the staggering ...
Abstract:
The effect of the evolution of partons in the nuclear environment on the structure function of nucleons bound in a nucleus is investigated. Together with the nuclear shadowing effect caused by the spatial overlap of partons from neighboring nucleons ...
The effect of the evolution of partons in the nuclear environment on the structure function of nucleons bound in a nucleus is investigated. Together with the nuclear shadowing effect caused by the spatial overlap of partons from neighboring nucleons ...
Abstract:
The effective potential of the W-S model is calculated both at finite temperature and density from the entire Lagrangian according to the grand canonical ensemble temperature field theory. The two elementary thermal effects in the weak and electromag...
The effective potential of the W-S model is calculated both at finite temperature and density from the entire Lagrangian according to the grand canonical ensemble temperature field theory. The two elementary thermal effects in the weak and electromag...
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