摘要
Experiment ^18Ne＋^197 Au was performed in Heavy Ion Research Facility Radioactive Ion Beam Line at Lanzhou （RIBLL）. The nuclear energy levels of ^18Ne were built by complete kinematical reconstruction of the decay products and diproton decay were observed from ^18Ne excited states. At 6.15 MeV, the experimental relative momentum and angular correlations of the emitted protons are given. The obvious enhancement at ｜qrol｜= 23 MeV/c and θc.m. = 40° shows the experimental criterion of ^2He cluster decay from ^18Ne^q.
Experiment ^18Ne＋^197 Au was performed in Heavy Ion Research Facility Radioactive Ion Beam Line at Lanzhou （RIBLL）. The nuclear energy levels of ^18Ne were built by complete kinematical reconstruction of the decay products and diproton decay were observed from ^18Ne excited states. At 6.15 MeV, the experimental relative momentum and angular correlations of the emitted protons are given. The obvious enhancement at ｜qrol｜= 23 MeV/c and θc.m. = 40° shows the experimental criterion of ^2He cluster decay from ^18Ne^q.
基金
Support d by the National Natural Science Foundation of China under Grant Nos 10575135, 10575134, 10675169 and 10735100, and the National Basic Research Programme of China under Grant No 2007CB815003.
