Toward precision mass measurements of neutron-rich nuclei relevant to r-process nucleosynthesis

doi:10.1007/s11467-015-0503-z

Frontiers of Physics

0, Vol.

Issue (): 102102 https://doi.org/10.1007/s11467-015-0503-z

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Toward precision mass measurements of neutron-rich nuclei relevant to r-process nucleosynthesis

B. H. Sun^1,^2,^*(

),Yu. A. Litvinov^3,⁴,I. Tanihata^1,²,Y. H. Zhang³

1. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
2. International Research Center for Nuclei and Particles in the Cosmos, Beijing 100191, China
3. Key Laboratory of High Precision Nuclear Spectroscopy and Center for Nuclear Matter Science, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
4. GSI Helmholtzzentrum für Schwerionenforschung, Planckstra?e 1, 64291 Darmstadt, Germany

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Abstract：

The open question of where, when, and how the heavy elements beyond iron enrich our Universe has triggered a new era in nuclear physics studies. Of all the relevant nuclear physics inputs, the mass of very neutron-rich nuclides is a key quantity for revealing the origin of heavy elements beyond iron. Although the precise determination of this property is a great challenge, enormous progress has been made in recent decades, and it has contributed significantly to both nuclear structure and astrophysical nucleosynthesis studies. In this review, we first survey our present knowledge of the nuclear mass surface, emphasizing the importance of nuclear mass precision in r-process calculations. We then discuss recent progress in various methods of nuclear mass measurement with a few selected examples. For each method, we focus on recent breakthroughs and discuss possible ways of improving the weighing of r-process nuclides.

Key words： binding energy r-process nucleosynthesis nuclear mass spectrometry

收稿日期: 2015-07-10 出版日期: 2015-08-17

Corresponding Author(s): B. H. Sun

引用本文:

. [J]. Frontiers of Physics, 0, (): 102102.
B. H. Sun, Yu. A. Litvinov, I. Tanihata, Y. H. Zhang. Toward precision mass measurements of neutron-rich nuclei relevant to r-process nucleosynthesis. Front. Phys. , 0, (): 102102.

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https://academic.hep.com.cn/fop/CN/10.1007/s11467-015-0503-z
https://academic.hep.com.cn/fop/CN/Y0/V/I/102102

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