Article ID Journal Published Year Pages File Type
1837678 Nuclear Physics A 2007 6 Pages PDF
Abstract

The cluster structures of the excited states in 11B are studied by analyzing the isoscalar monopole and quadrupole strengths in the 11B(d,d′) reaction at Ed=200 MeV. The excitation strengths are compared with the predictions by the shell-model and antisymmetrized molecular-dynamics (AMD) calculations. It is found that the large monopole strength for the state at Ex=8.56 MeV is well described by the AMD calculation and is an evidence for a developed 2α+t cluster structure.

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Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics