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国家重点基础研究发展计划(s2007CB815000)

作品数:1 被引量:11H指数:1
发文基金:国家自然科学基金国家重点基础研究发展计划更多>>
相关领域:核科学技术理学更多>>

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First mass measurement of short-lived nuclides at HIRFL-CSR被引量:11
2009年
Recent commissioning of the HIRFL-CSR has demonstrated its ability to perform direct mass measurement for short-lived nuclides. Projectile fragments produced by the 78Kr ions at 481.88 MeV/u were separated with the new radioactive beam line in Lanzhou (RIBLL2), and injected into and stored in the experimental storage ring (CSRe). By operating the CSRe as an isochronous mass spectrometry, a typical mass resolution around 2.0×10?5 has been achieved. The masses for 63Ge, 65As and 67Se were measured for the first time. The measured masses are compared with theoretical predictions and the location of the proton drip-line for As isotopes is discussed. The implication of the 65As mass in the astrophysical rapid proton capture process has also been addressed.
XU HuShanTU XiaoLinYUAN YouJinXIA JiaWenZANG YongDongWANG MengMAO RuiShiHU ZhengGuoMEI BoSHUAI PengZHU ZhiChaoTANG ShuWenGENG PengLIU YongZHAO TieChengZHANG XueYingYANG JianChengMAO LiJunZHANG YuHuZHOU XiaoHongHUANG WenXueXIAO GuoQingZHAO HongWeiZHAN WenLong
关键词:兰州重离子加速器核素天体物理学
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