科研之友
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摘要
The neutron decay of the resonant states of light neutron-rich nuclei is an important and poorly explored property, useful to extract valuable nuclear structure information. In the present paper the neutron decay of the C-15 resonances populated via the two-neutron transfer reaction C-13(O-18, O-16 n) at 84-MeV incident energy is reported for the first time using an innovative technique which couples the MAGNEX magnetic spectrometer and the EDEN neutron detector array. Experimental data show that the resonances below the one-neutron emission threshold decay to the C-14 ground state via one-neutron emission with an almost 100% total branching ratio, whereas the recently observed C-15 giant pairing vibration at 13.7 MeV mainly decays via two-neutron emission.
- 出版日期2016-6-27
