双奇核中πi13/2( )νi13/22-准粒子转动带旋称反转研究

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户：siyang2003

【摘要】

：

利用重离子熔合蒸发反应和在束γ谱学实验方法研究了双奇核176,178Ir和182Au的高自旋态结构,在这3个双奇核中观测到了基于πi13/2(×)νi13/2准粒子组态下的转动带. 以能级间

【作者】

：

张玉虎 M.Oshima T.Morikawa T.Haya

【机构】

：

中国科学院近代物理研究所,Japan Atomic Energy Research Institute,Department of Physics,Chiba University,Chiba Ins

【出处】

：

高能物理与核物理

【发表日期】

：

2004年期

【关键词】

：

双奇核转动带旋称反转推转壳模型

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利用重离子熔合蒸发反应和在束γ谱学实验方法研究了双奇核176,178Ir和182Au的高自旋态结构,在这3个双奇核中观测到了基于πi13/2(×)νi13/2准粒子组态下的转动带. 以能级间隔系统学为判据,对184Au核中πi13/2(×)νi13/2转动带能级自旋进行了指定. 指出176,178Ir和182,184Au 4个双奇核的πi13/2(×)νi13/2转动带在低自旋区均出现旋称反转. 对πi13/2(×)νi13/2转动带旋称反转现象进行了定性的讨论. 用推转壳模型对πh9/2(×)νi13/2带和πi13/2(×)νi13/2带能级结构进行了理论研究,发现当采用形变和对力自洽计算后,从理论上可以定性地解释两个半退耦带出现的旋称反转现象.

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双奇核中πi13/2( )νi13/22-准粒子转动带旋称反转研究

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