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11.
The β+/EC decay of doubly odd nucleus ^176Ir has been studied via the ^146Nd(^35Cl, 5n7) heavy ion fusion evaporation reaction at 210MeV bombarding energy. With the aid of a helium-jet recoil fast tape transport system, the reaction products were transported to a low-background location for measurement. Based on the data analysis, the previously known γ rays from the decay of ^176Ir are proven. Moreover, three new excited levels and ten new γ rays are assigned to ^176Os. The time spectra of typical γ rays clearly indicate a long-lived low-spin isomer in ^176Ir. 相似文献