Experimental determination of one-and two-neutron separation energies for neutron-rich copper isotopes |
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| Authors: | Mian Yu Hui-Ling Wei Yi-Dan Song Chun-Wang Ma |
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| Affiliation: | 1. Institute of Particle and Nuclear Physics, Henan Normal University, Xinxiang 453007, China2. School of Biomedical Engineering, Xinxiang Medical University, Xinxiang 453003, China3. Institute of Particle and Nuclear Physics, Henan Normal University, Xinxiang 453007, China4. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China |
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| Abstract: | A method is proposed to determine the one-neutron S_n or two-neutron S_(2n) separation energy of neutronrich isotopes.Relationships between S_n(S_(2n)) and isotopic cross sections have been deduced from an empirical formula,i.e.,the cross section of an isotope exponentially depends on the average binding energy per nucleon B/A.The proposed relationships have been verified using the neutron-rich copper isotopes measured in the 64 A Me V ~(86)Kr+~9Be reaction.S_n,S_(2n),and B/A for the very neutron-rich ~(77,78,79)Cu isotopes are determined from the proposed correlations.It is also proposed that the correlations between S_n,S_(2n) and isotopic cross sections can be used to find the location of neutron drip line isotopes. |
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| Keywords: | neutron separation energy neutron-drip line neutron-rich isotope |
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