Candidates for the 5α condensed state in 20Ne
Physics Letters B(2021)
摘要
We conducted the coincidence measurement of α particles inelastically scattered from 20Ne at 0° and decay charged particles in order to search for the alpha-particle condensed state. We compared the measured excitation-energy spectrum and decay branching ratio with the statistical-decay-model calculations, and found that the newly observed states at Ex=23.6, 21.8, and 21.2 MeV in 20Ne are strongly coupled to a candidate for the 4α condensed state in 16O. This result presents the first strong evidence that these states are the candidates for the 5α condensed state.
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关键词
20Ne,Cluster structure,Alpha-particle condensed state,Inelastic alpha scattering,Alpha decay
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