The ^(27)Al(n,2n)^(26)Al cross section is of great interest for the waste disposal assessment of fusion reactor materials and fusion research.By the technique of accelerator mass spectrometry,we have measured the ^(26...The ^(27)Al(n,2n)^(26)Al cross section is of great interest for the waste disposal assessment of fusion reactor materials and fusion research.By the technique of accelerator mass spectrometry,we have measured the ^(26)Al/^(27)Al ratio of Al2O3 powder samples which were irradiated by a neutron beam.The neutron reaction cross section for ^(27)Al(n,2n)^(26)Al in the energy range of 14.8-14.9MeV are deduced.展开更多
Cross sections of <sup>64</sup>（n,γ） <sup> </sup>（65）Zn reaction are measured in the energy range from 156to 1150 keV by the activation technique. The activities of the products are counte...Cross sections of <sup>64</sup>（n,γ） <sup> </sup>（65）Zn reaction are measured in the energy range from 156to 1150 keV by the activation technique. The activities of the products are counted with a highresolution HPGe γ-ray spectrometer. The neutron fluence is determined by <sup> </sup>（197）Au（n,γ） <sup> </sup>（198）Aucross section. Experimental activation cross sections are given for the first time. The errors ofthe measured results are 5%-8%.展开更多
基金Supported by the SEDC Laboratory of Heavy Ion Physics,Peking University under Grant Nos.95016,95017.
文摘The ^(27)Al(n,2n)^(26)Al cross section is of great interest for the waste disposal assessment of fusion reactor materials and fusion research.By the technique of accelerator mass spectrometry,we have measured the ^(26)Al/^(27)Al ratio of Al2O3 powder samples which were irradiated by a neutron beam.The neutron reaction cross section for ^(27)Al(n,2n)^(26)Al in the energy range of 14.8-14.9MeV are deduced.
基金The project supported by China National Nuclear Corporation
文摘Cross sections of <sup>64</sup>（n,γ） <sup> </sup>（65）Zn reaction are measured in the energy range from 156to 1150 keV by the activation technique. The activities of the products are counted with a highresolution HPGe γ-ray spectrometer. The neutron fluence is determined by <sup> </sup>（197）Au（n,γ） <sup> </sup>（198）Aucross section. Experimental activation cross sections are given for the first time. The errors ofthe measured results are 5%-8%.
