1988 Vol. 12, No. 5
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Abstract:
Results are presented on the properties of Chinese zinc tungstate crystal for detection of photons,which include absorption and emission spectram,relative light yield to NaI (Tl),energy dependence of the energy resolution,linearity of energy response...
Results are presented on the properties of Chinese zinc tungstate crystal for detection of photons,which include absorption and emission spectram,relative light yield to NaI (Tl),energy dependence of the energy resolution,linearity of energy response...
Abstract:
The preliminary data of the interaction free path distribution and the multiplicity distribution of projectile α-fragments in Kr-emulsion collisions at 1.4A GeV are presented.
The preliminary data of the interaction free path distribution and the multiplicity distribution of projectile α-fragments in Kr-emulsion collisions at 1.4A GeV are presented.
Abstract:
In this paper a method of detecting the pionic nuclear radio-activity discussed by Ion et al.is proposed using in clusive high energy gamma ray measurement.Taking the maximum pion energy given by Ion et al,the energy ranges of the gamma rays from the...
In this paper a method of detecting the pionic nuclear radio-activity discussed by Ion et al.is proposed using in clusive high energy gamma ray measurement.Taking the maximum pion energy given by Ion et al,the energy ranges of the gamma rays from the...
Abstract:
This paper reports the study and production and the performance of 60 PWC's which were the first module of L3 hadron calorimeter.125 Volts plateau and 3.4%/100V plateau slope were obtained with the gas mixture of Ar:CO2=80:20.We also checked the dark...
This paper reports the study and production and the performance of 60 PWC's which were the first module of L3 hadron calorimeter.125 Volts plateau and 3.4%/100V plateau slope were obtained with the gas mixture of Ar:CO2=80:20.We also checked the dark...
Abstract:
The effective Lagrangian of chiral QCD2 in 1+1 dimensional curved spacetime is derived by using pathintegral approach.It is shown that vector bosons may have a mass generation and interaction of gravity with gauge field may exist.Besides,the effectiv...
The effective Lagrangian of chiral QCD2 in 1+1 dimensional curved spacetime is derived by using pathintegral approach.It is shown that vector bosons may have a mass generation and interaction of gravity with gauge field may exist.Besides,the effectiv...
Abstract:
In this paper,we have calculated the SU(2) lattice gauge by the Monte Carlo method.For the finite temperature problem 83×4 lattice is used and for the zero temperature problem 84 lattice.From the calculations of the energy density,heat capacity and e...
In this paper,we have calculated the SU(2) lattice gauge by the Monte Carlo method.For the finite temperature problem 83×4 lattice is used and for the zero temperature problem 84 lattice.From the calculations of the energy density,heat capacity and e...
Abstract:
By using the cumulant expansion variational method,we study the SU(2) lattice action including six-link loops which satify the request of Symanzik.The average values of the plaquette and six-link loop up to second order approximation are calculated.O...
By using the cumulant expansion variational method,we study the SU(2) lattice action including six-link loops which satify the request of Symanzik.The average values of the plaquette and six-link loop up to second order approximation are calculated.O...
Abstract:
In this paper we study a modified skyrme model with mπ≠0 and compute the static properties of nucleons in this model.The results show that most of theoretical values have been improved,especially 2>1/2=0.56fm is two times as one from the original Sky...
In this paper we study a modified skyrme model with mπ≠0 and compute the static properties of nucleons in this model.The results show that most of theoretical values have been improved,especially 2>1/2=0.56fm is two times as one from the original Sky...
Abstract:
We calculate the short range part of π+-π-,K+-K-,K+-π- and K--π+ potentials by using both the conventional quark-antiquark annihilation mechanism and the hybrid medium state model.The result of the scattering length for π+-π- channel favors the hybri...
We calculate the short range part of π+-π-,K+-K-,K+-π- and K--π+ potentials by using both the conventional quark-antiquark annihilation mechanism and the hybrid medium state model.The result of the scattering length for π+-π- channel favors the hybri...
Abstract:
In the framework of fixed-scatterer field theory,we construct the second order iso-elastic microscopic pion-nucleus optical potential by including two nucleon correlation.The double charge exchange reactions to the double isobaric analog state are ca...
In the framework of fixed-scatterer field theory,we construct the second order iso-elastic microscopic pion-nucleus optical potential by including two nucleon correlation.The double charge exchange reactions to the double isobaric analog state are ca...
Abstract:
Relativistic microscopic optical potential of a nucleon above the fermi sea based on Walecka's model is used to systematically analyze the proton elastic scattering from nuclei at energies below 300MeV.It is shown that the experimental data of differ...
Relativistic microscopic optical potential of a nucleon above the fermi sea based on Walecka's model is used to systematically analyze the proton elastic scattering from nuclei at energies below 300MeV.It is shown that the experimental data of differ...
Abstract:
For a system described by the interacting boson-fermion model (IBFM),we construct the intrinsic states and study the moment of inertia of deformed odd-A nuclei in terms of the selfconsistent cranking calculation.An approximate analytic method for the...
For a system described by the interacting boson-fermion model (IBFM),we construct the intrinsic states and study the moment of inertia of deformed odd-A nuclei in terms of the selfconsistent cranking calculation.An approximate analytic method for the...
Abstract:
The betatron tune spread caused by magnetic field errors in accelerators is a very important parameter.In this paper a expression of middle plane asymmetrical magnetic field errors is obtained on the Maxwell equations,and a general formula formula of...
The betatron tune spread caused by magnetic field errors in accelerators is a very important parameter.In this paper a expression of middle plane asymmetrical magnetic field errors is obtained on the Maxwell equations,and a general formula formula of...
Abstract:
The fission cross sections and the evaporation residue cross sections for 12C+209Bi and 14N+Pb reactions were measured with the gold surface barrier silicon detectors and the mica nuclear track detectors.The critical angular momentum ler was deduced ...
The fission cross sections and the evaporation residue cross sections for 12C+209Bi and 14N+Pb reactions were measured with the gold surface barrier silicon detectors and the mica nuclear track detectors.The critical angular momentum ler was deduced ...
Abstract:
Based on the approximate consideration suggested by Bohr and Mottelson,in which the moment of inertia is effected by paring correlation and depended on the deformation,the values of the nuclear deformation were extracted from the experimental effecti...
Based on the approximate consideration suggested by Bohr and Mottelson,in which the moment of inertia is effected by paring correlation and depended on the deformation,the values of the nuclear deformation were extracted from the experimental effecti...
Abstract:
In the paper,large deformation of symmetry fission has been described by a biquadratic surface revolution instead of several quadratic equations.Based on the standard liquid drop model,variation calculation of deformation energy have been performed,a...
In the paper,large deformation of symmetry fission has been described by a biquadratic surface revolution instead of several quadratic equations.Based on the standard liquid drop model,variation calculation of deformation energy have been performed,a...
Abstract:
The possibility that the tribaryons including 3He and 3H belong to an SU(3) 35 dimensional irreducible representation is suggested.We calculate the wave functions and the branching ration of the 35-plet of the tribaryons.The mass relations of the tri...
The possibility that the tribaryons including 3He and 3H belong to an SU(3) 35 dimensional irreducible representation is suggested.We calculate the wave functions and the branching ration of the 35-plet of the tribaryons.The mass relations of the tri...
Abstract:
The (n,2n) and (n,3n) reaction processes have been studied by mechanism analysis of the neutron-induced nuclear reactions,formulae for evaluating the reduced cross section have been given.The cross sections of 14.5MeV (n,2n),(n,3n) reactions have bee...
The (n,2n) and (n,3n) reaction processes have been studied by mechanism analysis of the neutron-induced nuclear reactions,formulae for evaluating the reduced cross section have been given.The cross sections of 14.5MeV (n,2n),(n,3n) reactions have bee...
Abstract:
With increasing the rotational frequency ω,the seniority V-structure and the K-structure of the CSM wave function become very complicated.For not too high ω(hω≤0.5MeV) configurations with V=0,2,4 are dominant for the low-lying bands,while those with ...
With increasing the rotational frequency ω,the seniority V-structure and the K-structure of the CSM wave function become very complicated.For not too high ω(hω≤0.5MeV) configurations with V=0,2,4 are dominant for the low-lying bands,while those with ...
Abstract:
According to microscopic consideration,the coefficents in SU(3) limit of IBM are dependent on the d boson number nd.It is supposed that the coefficient of L L term is the linear function of nd and this problem is solved by perturbation method.The deg...
According to microscopic consideration,the coefficents in SU(3) limit of IBM are dependent on the d boson number nd.It is supposed that the coefficient of L L term is the linear function of nd and this problem is solved by perturbation method.The deg...
Abstract:
The variances and mean values of the charge distributions in the dissipative heavy-ion collisions of mass asymmetry system have been calculated by use of the dissipative dynamics equation coupling with the master equation.There is a nice agreement be...
The variances and mean values of the charge distributions in the dissipative heavy-ion collisions of mass asymmetry system have been calculated by use of the dissipative dynamics equation coupling with the master equation.There is a nice agreement be...
Abstract:
The recent experimental data from TASSO and HRS collaborations for multiparticle production in high e+e- annihilation is analysed in a cylindrical bag model.It is shown that the observed approximate KNO scaling can be explained in terms of bag parame...
The recent experimental data from TASSO and HRS collaborations for multiparticle production in high e+e- annihilation is analysed in a cylindrical bag model.It is shown that the observed approximate KNO scaling can be explained in terms of bag parame...
Abstract:
Sources of 235Th were prepared by 14MeV neutron irradiation of Uranium and radiochemical separation.The β-spectra and γ-spectra were measured.The endpoint energy for 235Th β-decay was obtained to be 1.44±0.04MeV.Thus QB of 235Th was determined to be ...
Sources of 235Th were prepared by 14MeV neutron irradiation of Uranium and radiochemical separation.The β-spectra and γ-spectra were measured.The endpoint energy for 235Th β-decay was obtained to be 1.44±0.04MeV.Thus QB of 235Th was determined to be ...
Abstract:
An improved approach for regularizing ill-defined sum is presented,and the conformal anomaly in strings is discussed.
An improved approach for regularizing ill-defined sum is presented,and the conformal anomaly in strings is discussed.
ISSN 1674-1137 CN 11-5641/O4
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