Shell Evolution Study for New Magic Number N =32 via Isochronous Mass Spectrometry |
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| Authors: | XU Xing WANG Meng ZHANG Yuhu SHUAI Peng XU Hushan TU Xiaolin ZHOU Xiaohong CHEN Ruijiu CHEN Xiangcheng FU Chaoyi et al. |
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| Affiliation: | 1.Key Laboratory of High Precision Nuclear Spectroscopy and Center for Nuclear Matter Science,Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2.University of Chinese Academy of Sciences, Beijing 100049, China;3.Research Center for Hadron Physics, National Laboratory of Heavy Ion Accelerator Facility in Lanzhouand University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | ![]()
Recent results and progress of mass measurements of neutron-rich nuclei utilizing Isochronous Mass Spectrometry(IMS) based on the HIRFL-CSR complex at Lanzhou are reported. The nuclei of interest were produced through projectile fragmentation of primary86 Kr ions at a realistic energy of460.65 Me V/u. After in-flight separation by the fragment separator RIBLL2, the fragments were injected and stored in the experimental storage ring CSRe, and their masses were determined from measurements of their revolution times. The re-determined masses were compared and evaluated with other mass measurements, and the impact of these evaluated masses on the shell evolution study is discussed. |
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| Keywords: | storage ring isochronous mass spectrometry nuclear mass shell evolution |
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