The first excited 2^(+)state(885 keV)of ^(32)Mg and its corresponding deformation parameterβ_(2) are studied with proton inelastic scattering at 190 MeV/nucleon using in-beamγtechnology with a thick target.Angular d...The first excited 2^(+)state(885 keV)of ^(32)Mg and its corresponding deformation parameterβ_(2) are studied with proton inelastic scattering at 190 MeV/nucleon using in-beamγtechnology with a thick target.Angular distributions of the inelastic scattering cross sections are analyzed with coupled-channel calculations.The deformation parameterβ_(2)=0.41(3)obtained in this work agrees with the earlier experimental results obtained at lower beam energies.Our work demonstrates that the structure of unstable nuclei can be studied with proton inelastic scattering at high incident energies in the vicinity of 200 MeV/nucleon using thick targets.展开更多
The first SEASTAR (Shell Evolution and Search for Two-plus energies At RIBF) campaign was carried out inMay 2014. We are analyzing the data for 58??63V and 63??66Mn.The experiment was performed at the Radioactive Isot...The first SEASTAR (Shell Evolution and Search for Two-plus energies At RIBF) campaign was carried out inMay 2014. We are analyzing the data for 58??63V and 63??66Mn.The experiment was performed at the Radioactive Isotope Beam Factory in RIKEN. A high-intensity 238U beamwas accelerated to bombard beryllium target to produce secondary beams. The B??ΔE??B method was applied toselect and purify secondary beams. An ionization chamber located at the focal point F7 (F11) measured the energyloss ΔE, yielding the fragments' element number Z in BigRIPS (ZDS)[1].展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 11035001,10775003,10975006,J1103206.
文摘The first excited 2^(+)state(885 keV)of ^(32)Mg and its corresponding deformation parameterβ_(2) are studied with proton inelastic scattering at 190 MeV/nucleon using in-beamγtechnology with a thick target.Angular distributions of the inelastic scattering cross sections are analyzed with coupled-channel calculations.The deformation parameterβ_(2)=0.41(3)obtained in this work agrees with the earlier experimental results obtained at lower beam energies.Our work demonstrates that the structure of unstable nuclei can be studied with proton inelastic scattering at high incident energies in the vicinity of 200 MeV/nucleon using thick targets.
文摘The first SEASTAR (Shell Evolution and Search for Two-plus energies At RIBF) campaign was carried out inMay 2014. We are analyzing the data for 58??63V and 63??66Mn.The experiment was performed at the Radioactive Isotope Beam Factory in RIKEN. A high-intensity 238U beamwas accelerated to bombard beryllium target to produce secondary beams. The B??ΔE??B method was applied toselect and purify secondary beams. An ionization chamber located at the focal point F7 (F11) measured the energyloss ΔE, yielding the fragments' element number Z in BigRIPS (ZDS)[1].
