Photoneutron Cross Sections for Ag<sup>107</sup>, Mo<sup>92</sup> and Zr<sup>90</sup>
Naoshi MutsuroDepartment of Physics, Tohoku UniversityYuji OhnukiDepartment of Physics, Tohoku UniversityKazuo SatōDepartment of Physics, Tohoku UniversityMotoharu KimuraDepartment of Physics, Tohoku University
1959en
ABI
Abstract
Photoneutron cross sections and the yield curves were taken by the residual activity method for Ag 107 , Mo 92 and Zr 90 . Threshold energy were obtained as 9.35±0.1 MeV, 9.15±0.1 MeV, 12.38±0.1 MeV and 12.3±0.1 Mev for Ag 107,109 , Mo 92 and Zr 90 respectively. The energy for the maximum cross section was obtained as 14.5 MeV for Ag 107 , 16.5 MeV for Mo 92 and 17 MeV for Zr 90 . The giant resonance widths were measured about 5.3 MeV, 2.7 MeV and 2.9 MeV respectively. Intrinsic quadrupole moment determined from above data was (1.9±0.7)×10 -24 cm 2 for Ag 107 .
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