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中文摘要：
在210MeV的束流能量下，利用重离子熔合蒸发反应^146Nd（^35Cl，5nγ）^176Ir产生具有β^＋／EC衰变性质的核素^176Ir，由氮喷嘴快速带传输系统将反应产物传送到低本底区进行测量．经过实验数据的离线处理分析，对早先发表的^176Ir衰变γ跃迁进行确认的同时又发现了3个新能级和10条新的γ射线，丰富了^176Os核的低位激发态能级纲图．并根据典型γ射线的衰变时间谱建议了^176Ir核的一个长寿命的低自旋同核异能态．
英文摘要：
The β^＋/EC decay of doubly odd ^176Ir has been investigated using ^146Nd（^35Cl, 5nγ）^178Ir 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 measurements. Based on the data analysis, the previously published γ rays in ^176Ir decay were proved, moreover, 3 new levels and 10 new γ rays were assigned to ^176Ir decay. The new level scheme of ^176Os with low excitation energy has been established. The time spectra of typical γ rays clearly indicate a long-lived low-spin isomer in ^176Ir nuclide.
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