1996 Vol. 20, No. 5
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Abstract:
The High spin isomer(HSI)in 144Pm was produced and separated by using the high spin isomer beam facility.Based on the measurements of γ-γ coincidence, γ-ray excitation functions and isotropies,the decay level scheme of the HSI was established for the...
The High spin isomer(HSI)in 144Pm was produced and separated by using the high spin isomer beam facility.Based on the measurements of γ-γ coincidence, γ-ray excitation functions and isotropies,the decay level scheme of the HSI was established for the...
Abstract:
The in-plane and out-of-plane emission of light particles from 40Ar+197Au collisions at 25MeV/u was studied by means of coincidence measurement of light particles with two fission fragments.An in-plane enhancement was observed for mid-rapidity p,d,t,...
The in-plane and out-of-plane emission of light particles from 40Ar+197Au collisions at 25MeV/u was studied by means of coincidence measurement of light particles with two fission fragments.An in-plane enhancement was observed for mid-rapidity p,d,t,...
Abstract:
Gamma family events with visible energies higher than 1015eV usually form halos in the emulsion chambers,which bring up some problems for further investigating the characteristics of superhigh energy nuclear interactions. At present,only a few gross ...
Gamma family events with visible energies higher than 1015eV usually form halos in the emulsion chambers,which bring up some problems for further investigating the characteristics of superhigh energy nuclear interactions. At present,only a few gross ...
Abstract:
The attenuation lengths of hadron fluxes with visible energies higher than 4TeV have been observed in thick type iron emulsion chambers exposed at Mt. Kanbala with high detecting efficiency for hadrons.Uncorrelated hadrons as well as hadrons in famil...
The attenuation lengths of hadron fluxes with visible energies higher than 4TeV have been observed in thick type iron emulsion chambers exposed at Mt. Kanbala with high detecting efficiency for hadrons.Uncorrelated hadrons as well as hadrons in famil...
Abstract:
In this paper,we discuss that the mass of stellar, nucleon, and the dark matter particles are connected by a large number A～1019,and the strong interaction might be phenomenologically connected with the gravitation also by this large number in a deep...
In this paper,we discuss that the mass of stellar, nucleon, and the dark matter particles are connected by a large number A～1019,and the strong interaction might be phenomenologically connected with the gravitation also by this large number in a deep...
Abstract:
The rare decays t→cV(V=Z,γ,g)induced through loop diagrams are calculated in a minimal Technicolor model(MTC) with a massless weak doublet recently presented by C.D.Carone and H. Georgi.We find that these new contributions can enhance the SM branchin...
The rare decays t→cV(V=Z,γ,g)induced through loop diagrams are calculated in a minimal Technicolor model(MTC) with a massless weak doublet recently presented by C.D.Carone and H. Georgi.We find that these new contributions can enhance the SM branchin...
Abstract:
In the frame of the random neck rupture and multichannel fission model,thefragment yield,average total kinetic energy distributions and prompt neutron multiplicities of the neutron induced 233,235,238U(n,f)fission covering the incident neutron energy...
In the frame of the random neck rupture and multichannel fission model,thefragment yield,average total kinetic energy distributions and prompt neutron multiplicities of the neutron induced 233,235,238U(n,f)fission covering the incident neutron energy...
Abstract:
FolloWing the intrabeam scattering(IBS)theory of Bjorken and Mtingwa,more general formulae for the growth rates of horizontal,vertical emittance and longitudinal momentum spread are deduced in a simpler form of elliptic integrals.The formulae are app...
FolloWing the intrabeam scattering(IBS)theory of Bjorken and Mtingwa,more general formulae for the growth rates of horizontal,vertical emittance and longitudinal momentum spread are deduced in a simpler form of elliptic integrals.The formulae are app...
Abstract:
The RVUU model is used to study dynamical processes of the kaon and pion produced in heavy ion collisions.We include the nuclear medium effect on kaon and pion in the model, and simulate pion production and kaon subthreshold production process in hea...
The RVUU model is used to study dynamical processes of the kaon and pion produced in heavy ion collisions.We include the nuclear medium effect on kaon and pion in the model, and simulate pion production and kaon subthreshold production process in hea...
Abstract:
Relativistic mean field theory in the rotating frame is used to describe superdeformed nuclei. Nuclear currents and the resulting spatial components of the vector meson fields are fully taken into account.It is shown that the filling of specific orbi...
Relativistic mean field theory in the rotating frame is used to describe superdeformed nuclei. Nuclear currents and the resulting spatial components of the vector meson fields are fully taken into account.It is shown that the filling of specific orbi...
Abstract:
The well known axial rotor plus quasiparticle model for odd nuclei is generalized to odd-odd nuclei.The proton-neutron interactions are considered in the base-space of the model for the first time.The method presented in this paper is used for severa...
The well known axial rotor plus quasiparticle model for odd nuclei is generalized to odd-odd nuclei.The proton-neutron interactions are considered in the base-space of the model for the first time.The method presented in this paper is used for severa...
Abstract:
Technical specifications of Beam-line 4W1C and X-ray diffuse scattering station at Beijing Synchrotron Radiation Facility(BSRF)were discussed. Double focussed monochromatic X-ray beam,with energy resolution of 4.4×10－4 and beam spot of 0.5mm(H)×0.3mm...
Technical specifications of Beam-line 4W1C and X-ray diffuse scattering station at Beijing Synchrotron Radiation Facility(BSRF)were discussed. Double focussed monochromatic X-ray beam,with energy resolution of 4.4×10－4 and beam spot of 0.5mm(H)×0.3mm...
Abstract:
According to the principle of"uniform magnetization",the 3-dimensional magnetic fields of the permanent magnet linear peridic system─hybrid insenion devices are analysed.The approximate analytical expressions of 3-dimensions are given.By applying the...
According to the principle of"uniform magnetization",the 3-dimensional magnetic fields of the permanent magnet linear peridic system─hybrid insenion devices are analysed.The approximate analytical expressions of 3-dimensions are given.By applying the...
Abstract:
Based on our Month Carlo Calculation model of heavy ion track structure,the radial dose distribution around an energetic heavy ion path and the maximum radial effect range in the liquid water are calculated.The results are compared with the experimen...
Based on our Month Carlo Calculation model of heavy ion track structure,the radial dose distribution around an energetic heavy ion path and the maximum radial effect range in the liquid water are calculated.The results are compared with the experimen...
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