2002 Vol. 26, No. 4
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Abstract:
The newly developed single trajectory quadrature method is applied to solve the ground state quantum wave function for Coulomb plus linear potential. The general analytic expressions of the energy and wave function for the ground state are given. The...
The newly developed single trajectory quadrature method is applied to solve the ground state quantum wave function for Coulomb plus linear potential. The general analytic expressions of the energy and wave function for the ground state are given. The...
Abstract:
Using the dynamical transport approach RQMD, the radial collective expansion in relativistic heavy-ion collisions is studied at RHIC energy. The prediction of the radial flow is presented by analyzing the transverse mass spectra for Au+Au central col...
Using the dynamical transport approach RQMD, the radial collective expansion in relativistic heavy-ion collisions is studied at RHIC energy. The prediction of the radial flow is presented by analyzing the transverse mass spectra for Au+Au central col...
Abstract:
We show that the ξ(2230) must have a width much broader than the reported 20MeV. A broader width does not necessarily rule out the ξ(2230) as a glueball, but it does explain why the meson cannot be seen in p p experiments. Therefore, the controversy ...
We show that the ξ(2230) must have a width much broader than the reported 20MeV. A broader width does not necessarily rule out the ξ(2230) as a glueball, but it does explain why the meson cannot be seen in p p experiments. Therefore, the controversy ...
Abstract:
In virtue of the simple physical picture of quark combination model and the probability for the production of a qfqf of a flavor f which is given by treating the pair creation of the qq as a quantum mechanical tunneling effect, an universal mass rela...
In virtue of the simple physical picture of quark combination model and the probability for the production of a qfqf of a flavor f which is given by treating the pair creation of the qq as a quantum mechanical tunneling effect, an universal mass rela...
Abstract:
A supersymmetric vector-like standard model without leptons is suggested to investigate the unification between gauge interactions and gravity under two loop approximation for gauge interactions and one loop string correction for gravitation. It is f...
A supersymmetric vector-like standard model without leptons is suggested to investigate the unification between gauge interactions and gravity under two loop approximation for gauge interactions and one loop string correction for gravitation. It is f...
Abstract:
The generator of gauge transformation for spinor QED with Chern-Simons (CS) term has been constructed. According to the rule of path integral quantization for constrained system in Faddeev-Senjanovic scheme, the phase-space generating of Green functi...
The generator of gauge transformation for spinor QED with Chern-Simons (CS) term has been constructed. According to the rule of path integral quantization for constrained system in Faddeev-Senjanovic scheme, the phase-space generating of Green functi...
Abstract:
In this paper, the excited odd q-coherent state a+m qα> oq and excited even q-coherent state a+m qα> eq are constructed. The q and m dependences of mean photon number and sub-Poissonian character and antibunching effect are numerically studied. It is...
In this paper, the excited odd q-coherent state a+m qα> oq and excited even q-coherent state a+m qα> eq are constructed. The q and m dependences of mean photon number and sub-Poissonian character and antibunching effect are numerically studied. It is...
Abstract:
The new supercharges are constructed and the weight function is defined to study the N=2 one-dimensional supersymmetric quantum mechanics. Several examples are discussed in the new realization.
The new supercharges are constructed and the weight function is defined to study the N=2 one-dimensional supersymmetric quantum mechanics. Several examples are discussed in the new realization.
Abstract:
We discuss about the nature of f0(400-1200) which we decompose into three parts, i.e., t-channel ρ meson and f2(1270) meson exchange plus an additional s-channel resonance f0(X). Below 1.2GeV of ππ invariant mass, t-channel ρ meson exchange can expla...
We discuss about the nature of f0(400-1200) which we decompose into three parts, i.e., t-channel ρ meson and f2(1270) meson exchange plus an additional s-channel resonance f0(X). Below 1.2GeV of ππ invariant mass, t-channel ρ meson exchange can expla...
Abstract:
The level structure of doubly odd nucleus 142Pm has been studied via the 128Te(19F,5nγ)142Pm reaction in the energy region from 75 to 95MeV. In-beam γ rays were measureed including the excited function, γ-ray singles and γ-γ coincidences in experimen...
The level structure of doubly odd nucleus 142Pm has been studied via the 128Te(19F,5nγ)142Pm reaction in the energy region from 75 to 95MeV. In-beam γ rays were measureed including the excited function, γ-ray singles and γ-γ coincidences in experimen...
Abstract:
High-spin states of 143Tb have been studied via the 118Sn(32S,1p4n)145Tb reaction by means of in-beam γ-ray spectroscopy. Measurements of γ-ray excitation functions and γ-γ-t coincidences were performed with 12 BGO(AC)HPGe detectors. A level scheme f...
High-spin states of 143Tb have been studied via the 118Sn(32S,1p4n)145Tb reaction by means of in-beam γ-ray spectroscopy. Measurements of γ-ray excitation functions and γ-γ-t coincidences were performed with 12 BGO(AC)HPGe detectors. A level scheme f...
Abstract:
The double Q2-rescaling model is used to calculate the variation of K-factor with x2 when the nucleus A-nucleus A collision (for example, C, Ca, Fe, Sn) occurs at different values of x1, where x1 and x2 are momentum fraction variables. In this calcul...
The double Q2-rescaling model is used to calculate the variation of K-factor with x2 when the nucleus A-nucleus A collision (for example, C, Ca, Fe, Sn) occurs at different values of x1, where x1 and x2 are momentum fraction variables. In this calcul...
Abstract:
Using the Particle-number Conserving (PNC) method for treating the cranked shell model, the high K multi-quasiparticle bands in odd-A deformed nuclei 173,175Hf are analyzed, including the variation with rotational frequency of the moment of inertia, ...
Using the Particle-number Conserving (PNC) method for treating the cranked shell model, the high K multi-quasiparticle bands in odd-A deformed nuclei 173,175Hf are analyzed, including the variation with rotational frequency of the moment of inertia, ...
Abstract:
The role of momentum dependence equation of state on the nuclear stopping for the isospin dependence and the isospin independence of in-medium nucleon-nucleon cross section is studied by using the isospin dependence quantum molecular dynamics. The nu...
The role of momentum dependence equation of state on the nuclear stopping for the isospin dependence and the isospin independence of in-medium nucleon-nucleon cross section is studied by using the isospin dependence quantum molecular dynamics. The nu...
Abstract:
The effect of collective flow on two pion interferometry is studied using two pion interferometry at small relative momentum. The analytical relation between the apparent radius and real radius of the pion source is given.
The effect of collective flow on two pion interferometry is studied using two pion interferometry at small relative momentum. The analytical relation between the apparent radius and real radius of the pion source is given.
Abstract:
The φ meson production in relativistic nucleus-nucleus collisions is investigated systematically using a hadron-string cascade model LUCIAE. Within the framework of the model and relying on the collective effects in the gluon emission of string and t...
The φ meson production in relativistic nucleus-nucleus collisions is investigated systematically using a hadron-string cascade model LUCIAE. Within the framework of the model and relying on the collective effects in the gluon emission of string and t...
Abstract:
TEXONO collaboration adopts CsI(T1) crystal to measure the energy spectrum and abnormal magnetic moment of reactor neutrino. The paper describeds the principle of measurement, the structure of detector and its electronics, and the performance. Becaus...
TEXONO collaboration adopts CsI(T1) crystal to measure the energy spectrum and abnormal magnetic moment of reactor neutrino. The paper describeds the principle of measurement, the structure of detector and its electronics, and the performance. Becaus...
Abstract:
Lie algebraic method is used in the analysis of nonlinear transport for the relativistic charged particles in cylindrical symmetrical electrostatic fields, and particle orbits of third order approximation in the six dimensional phase space (x, x′, y,...
Lie algebraic method is used in the analysis of nonlinear transport for the relativistic charged particles in cylindrical symmetrical electrostatic fields, and particle orbits of third order approximation in the six dimensional phase space (x, x′, y,...
Abstract:
The dependence of the performance of the rotating coil magnetometer on its parameter and fabrication error is studied. The expressions of the measurement error due to the fabrication error are given. The results show that, the rotating coil magnetome...
The dependence of the performance of the rotating coil magnetometer on its parameter and fabrication error is studied. The expressions of the measurement error due to the fabrication error are given. The results show that, the rotating coil magnetome...
Abstract:
The theoretical analysis of the DC K-modulation of quadrupole for the beam-based alignment method is presented. It is shown that the shift of the orbit,when the focussing strength of one quadrupole magnet is changed,can be described by the perturbed ...
The theoretical analysis of the DC K-modulation of quadrupole for the beam-based alignment method is presented. It is shown that the shift of the orbit,when the focussing strength of one quadrupole magnet is changed,can be described by the perturbed ...
Abstract:
According to the storage ring injection requirements of Shanghai Synchrotron Radiation Facility (SSRF),an eddy current septum magnet prototype has been firstly constructed in China. All measured specifications of the magnet are very well satisfied wi...
According to the storage ring injection requirements of Shanghai Synchrotron Radiation Facility (SSRF),an eddy current septum magnet prototype has been firstly constructed in China. All measured specifications of the magnet are very well satisfied wi...
Abstract:
Tumor treatment with heavy ion is characterized by the depth-dose curve of heavy ions. So,it is a key to develop physics model for calculating dose. In this paper, the media for calculation have been selected from the chemical component of biological...
Tumor treatment with heavy ion is characterized by the depth-dose curve of heavy ions. So,it is a key to develop physics model for calculating dose. In this paper, the media for calculation have been selected from the chemical component of biological...
Abstract:
Polycarbonate films were irradiated with 2.1GeV Kr ions at room temperature in vacuum and in atmosphere,respectively. The ion beam induced effects were studied by means of Fourier transform infrared (FTIR) and ultraviolet visible (UV/VIS) spectroscop...
Polycarbonate films were irradiated with 2.1GeV Kr ions at room temperature in vacuum and in atmosphere,respectively. The ion beam induced effects were studied by means of Fourier transform infrared (FTIR) and ultraviolet visible (UV/VIS) spectroscop...
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ISSN 1674-1137 CN 11-5641/O4
Original research articles, Ietters and reviews Covering theory and experiments in the fieids of
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- Cosmology
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