1990 Vol. 14, No. 10
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Abstract:
A simple method is introduced here to correct the bends of the charged tracks,due to the fring effect of the magnet in a forward spectrometer.
Because of the irregular magnetic fields caused by the fringe effect,the track of a charged particle will be...
A simple method is introduced here to correct the bends of the charged tracks,due to the fring effect of the magnet in a forward spectrometer.
Because of the irregular magnetic fields caused by the fringe effect,the track of a charged particle will be...
Abstract:
In this paper the influence of the shape of the exit edge of the single-direction sweeping magnet of its performance is studied.The proper change of the shape of exit edge can improve the sweeping homogeneous degree and decrease unfavourable focusing...
In this paper the influence of the shape of the exit edge of the single-direction sweeping magnet of its performance is studied.The proper change of the shape of exit edge can improve the sweeping homogeneous degree and decrease unfavourable focusing...
Abstract:
In this paper we give the helicity formalism of the angular distribution for process e++e－→J/ψ→V+X,V→P1P2 or P1P2P3 and X→pp simultaneously.By using this formalism the moment analysis and some relations have been obtained,which is helpful in determin...
In this paper we give the helicity formalism of the angular distribution for process e++e－→J/ψ→V+X,V→P1P2 or P1P2P3 and X→pp simultaneously.By using this formalism the moment analysis and some relations have been obtained,which is helpful in determin...
Abstract:
In this paper,we calculate anomaly of the left-handed current in the two-dimensional linear σ model by using Bjorken-Johnson-Low limit.We have got the results which are quite consistent with those from non-perturbation functional integration.
In this paper,we calculate anomaly of the left-handed current in the two-dimensional linear σ model by using Bjorken-Johnson-Low limit.We have got the results which are quite consistent with those from non-perturbation functional integration.
Abstract:
The variational cumulant expansion treatment of lattice gauge theory at finite temperature is developed to the lattice SU(2)-Higgs system.The mothod is demonstrated by calculating the expectation value of Polyakov lineto the 3rd order approximation....
The variational cumulant expansion treatment of lattice gauge theory at finite temperature is developed to the lattice SU(2)-Higgs system.The mothod is demonstrated by calculating the expectation value of Polyakov line
Abstract:
The correlated effect arisen from excitations of six-quark clusters in the nucleon-nucleon interaction is studied in the RGM framework and the six-quark configuration effect on the wave function of the relative motion in 1S0 state is analyzed.It is s...
The correlated effect arisen from excitations of six-quark clusters in the nucleon-nucleon interaction is studied in the RGM framework and the six-quark configuration effect on the wave function of the relative motion in 1S0 state is analyzed.It is s...
Abstract:
Collisions of 1.2A GeV Ar on KC1 in the Bevalac Streamer Chamber are studied using two methods:azimuthal distribution analysis and azimuthal correlation function alalysis.Comparing with the Vlasov-Uehling-Uhlenbeck model predictions for different nuc...
Collisions of 1.2A GeV Ar on KC1 in the Bevalac Streamer Chamber are studied using two methods:azimuthal distribution analysis and azimuthal correlation function alalysis.Comparing with the Vlasov-Uehling-Uhlenbeck model predictions for different nuc...
Abstract:
The Linear Momentum Transfer (LMT) in 28Si+238U system with incident energies of 15.0 and 21.7MeV/A have been measured by fission partner fragments.By cutting different regions in LMT distribution,the Sequential Fission (SF) and the incomplete fusion...
The Linear Momentum Transfer (LMT) in 28Si+238U system with incident energies of 15.0 and 21.7MeV/A have been measured by fission partner fragments.By cutting different regions in LMT distribution,the Sequential Fission (SF) and the incomplete fusion...
Abstract:
The cross sections for 63Cu(n,α)60Co have been measured by using the activation method relative to the cross sections of 27Al(n,α)24Na in the neutron energy range of 13.6—14.8MeV.The values of 58.3±3.1,56.3±2.4,53.4±2.0,50.8±1.9,48.4±1.7,47.4±1.7mb,w...
The cross sections for 63Cu(n,α)60Co have been measured by using the activation method relative to the cross sections of 27Al(n,α)24Na in the neutron energy range of 13.6—14.8MeV.The values of 58.3±3.1,56.3±2.4,53.4±2.0,50.8±1.9,48.4±1.7,47.4±1.7mb,w...
Abstract:
The cross sections for 60Ni(n,p)60Co have been measured by using the activation method relative to the cross sections of 27Al(n,α)24Na in the neutron energy range of 13.6—14.8MeV The values of 184.4±12.2,178.8±10.5,171.4±10.3,161.9±9.6,157.0±9.3,147....
The cross sections for 60Ni(n,p)60Co have been measured by using the activation method relative to the cross sections of 27Al(n,α)24Na in the neutron energy range of 13.6—14.8MeV The values of 184.4±12.2,178.8±10.5,171.4±10.3,161.9±9.6,157.0±9.3,147....
Abstract:
In heavy ion feaction mechanism experiment,a phoswich array consisting of 20 ΛE-E elements has been used for the measurement of light charged particales emitted at forward angles.The full angular coverage is θL±20°,φL±9°,Different α-particle energies...
In heavy ion feaction mechanism experiment,a phoswich array consisting of 20 ΛE-E elements has been used for the measurement of light charged particales emitted at forward angles.The full angular coverage is θL±20°,φL±9°,Different α-particle energies...
Abstract:
The average energies of isovector giant resonances and the widths of isoscalar giant resonances are evaluated with the help of a selfconsistent semiclassical Sum rule approach.The comparison of the present results with experimental ones justifies the...
The average energies of isovector giant resonances and the widths of isoscalar giant resonances are evaluated with the help of a selfconsistent semiclassical Sum rule approach.The comparison of the present results with experimental ones justifies the...
Abstract:
The excitation function and isomer ratio of 52Cr(d,2n)52Mng,m reaction have been analyzed by using the Hauser-Feshbach formalism and exciton model considering the conservation of angular momentum and parity.By summing over the calculated contribution...
The excitation function and isomer ratio of 52Cr(d,2n)52Mng,m reaction have been analyzed by using the Hauser-Feshbach formalism and exciton model considering the conservation of angular momentum and parity.By summing over the calculated contribution...
Abstract:
The micro-correction to the nuclear macroscopic model is studied with a simple liquid drop model by fitting the nuclear masses.It is found that the micro-correction given by Moller and Nix is generally applicable with satisfactory results.Possible re...
The micro-correction to the nuclear macroscopic model is studied with a simple liquid drop model by fitting the nuclear masses.It is found that the micro-correction given by Moller and Nix is generally applicable with satisfactory results.Possible re...
Abstract:
Based on the new form of the distribution density of the reservoir oscillator frequencies,the analytical expression of the density matrix ρ(x,x,t) for a dissipative quantum system has been obtained.The quantum and Non-Markovian effects on the quantum...
Based on the new form of the distribution density of the reservoir oscillator frequencies,the analytical expression of the density matrix ρ(x,x,t) for a dissipative quantum system has been obtained.The quantum and Non-Markovian effects on the quantum...
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