By 22MeV proton inelastic scattering at the forward angle of 10°,the orbital character of new low-lying M1 excitation states in ^(160)Gd has been verified.At the same time,several new energy levels of ^(160)Gd ar...By 22MeV proton inelastic scattering at the forward angle of 10°,the orbital character of new low-lying M1 excitation states in ^(160)Gd has been verified.At the same time,several new energy levels of ^(160)Gd are observed,and values of spin,parity and deformation length for two new energy levels with excitation energies of 2.558 and 2.607 MeV are given via collective distorted wave Born approximation calculations.展开更多
Inelastic differential cross sections of 22 MeV proton scattering for 5 excited states of 28Si have been measured from 10°to 115°.Empirical effective interactions were extracted within the frame of DWBA from...Inelastic differential cross sections of 22 MeV proton scattering for 5 excited states of 28Si have been measured from 10°to 115°.Empirical effective interactions were extracted within the frame of DWBA from the normal parity state data which transition densities were known from electron scattering.The fitting is good except for the forward angle of 4^(+)_(1) and 0^(+)_(2) states.The results are discussed.展开更多
High-energyγ-rays from the deexcitation of giant dipole resonance have been measured from the decay of compound nucleus ^(132)Ce^(*) formed by the ^(16)O+^(116)Sn reaction at an incident particle energy of 85.0MeV of...High-energyγ-rays from the deexcitation of giant dipole resonance have been measured from the decay of compound nucleus ^(132)Ce^(*) formed by the ^(16)O+^(116)Sn reaction at an incident particle energy of 85.0MeV of ^(16)O.Theγ-ray multiplicity distribution of this reaction is calibrated with a multiplicity filter composed of 14 hexagonal BGO crystals.The shape evolution of the ^(132)Ce^(*) has been studied as a function of spin.The results reveal that the deformation parameter of prolate ^(132)Ce reduces when spin increases.展开更多
基金Supported by the National Natural Science Foundation of China.
文摘By 22MeV proton inelastic scattering at the forward angle of 10°,the orbital character of new low-lying M1 excitation states in ^(160)Gd has been verified.At the same time,several new energy levels of ^(160)Gd are observed,and values of spin,parity and deformation length for two new energy levels with excitation energies of 2.558 and 2.607 MeV are given via collective distorted wave Born approximation calculations.
文摘Inelastic differential cross sections of 22 MeV proton scattering for 5 excited states of 28Si have been measured from 10°to 115°.Empirical effective interactions were extracted within the frame of DWBA from the normal parity state data which transition densities were known from electron scattering.The fitting is good except for the forward angle of 4^(+)_(1) and 0^(+)_(2) states.The results are discussed.
基金Supported in part by the National Natural Science Foundation of China.
文摘High-energyγ-rays from the deexcitation of giant dipole resonance have been measured from the decay of compound nucleus ^(132)Ce^(*) formed by the ^(16)O+^(116)Sn reaction at an incident particle energy of 85.0MeV of ^(16)O.Theγ-ray multiplicity distribution of this reaction is calibrated with a multiplicity filter composed of 14 hexagonal BGO crystals.The shape evolution of the ^(132)Ce^(*) has been studied as a function of spin.The results reveal that the deformation parameter of prolate ^(132)Ce reduces when spin increases.
