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Journal Article

Precision mass measurements of short-lived nuclides at the heavy-ion storage ring in Lanzhou


Litvinov,  Yuri A.
1Key Laboratory of High Precision Nuclear Spectroscopy and Center for Nuclear Matter Science, Institute of Modern Physics, Chinese Academy of Sciences;
GSI Helmholtzzentrum für Schwerionenforschung;
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Zhang, Y., Xu, H., & Litvinov, Y. A. (2015). Precision mass measurements of short-lived nuclides at the heavy-ion storage ring in Lanzhou. JPS conference proceedings, 6: 010019. doi:10.7566/JPSCP.6.010019.

Cite as: http://hdl.handle.net/11858/00-001M-0000-0028-1E63-0
Recent commissioning of the Cooler Storage Ring at the Heavy Ion Research Facility in Lanzhou enabled us to conduct high-precision mass measurements at the Institute of Modern Physics in Lanzhou (IMP). In the past few years, mass measurements were performed using the CSRe-based isochronous mass spectrometry employing the fragmentation of the energetic beams of 58Ni, 78Kr, 86Kr, and 112Sn projectiles. Masses of short-lived nuclides of on both sides of the stability valley were addressed. Relative mass precision of down to 10−6 – 10−7 is routinely achieved. The mass values were used as an input for dedicated nuclear structure and astrophysics studies, providing for instance new insights into the rp-process of nucleosynthesis in X-ray bursts. In this contribution, we briefly review the so far conducted experiments and the main achieved results, as well as outline the plans for future experiments.