Measurements of activation cross sections producing short-lived nuclei in the energy range of 2-3 MeV with pulsed neutron beam

To measure activation cross sections producing short-lived nuclei with half-lives less than 10 s, pulsed neutron beam were used. A HPGe detector was properly shielded from neutrons, because it was set on the irradiation room. By using the d-D neutron source of the Fusion Neutronics Source in Japan Atomic Energy Research Institute. Four (n, n') reaction cross sections for 89Y, 90Zr, 137Ba and 197Au with half-lives between 0.8 s and 2.6 min were obtained in the energy range of 2 - 3 MeV. The cross section for 90Zr (n, n') 90mZr reaction was obtained for the first time. Present results were compared with the evaluated data JENDL-3.3 and FENDL. (author)