排序方式: 共有1条查询结果,搜索用时 31 毫秒
1
1.
First mass measurement of short-lived nuclides at HIRFL-CSR 总被引:1,自引:0,他引:1
Xu HuShan Tu XiaoLin Yuan YouJin Xia JiaWen Zang YongDong Wang Meng Mao RuiShi Hu ZhengGuo Mei Bo Shuai Peng Zhu ZhiChao Tang ShuWen Geng Peng Liu Yong Zhao TieCheng Zhang XueYing Yang JianCheng Mao LiJun Zhang YuHu Zhou XiaoHong Huang WenXue Xiao GuoQing Zhao HongWei Zhan WenLong 《科学通报(英文版)》2009,54(24):4749-4752
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. 相似文献
1