Article ID Journal Published Year Pages File Type
1852281 Physics Letters B 2008 4 Pages PDF
Abstract

The neutron-rich nucleus 13B was studied via the proton transfer reaction 4He(12Be, 13Bγ  ) at 50 AMeV. The known 4.83-MeV excited state was strongly populated and its spin and parity were assigned to 1/2+1/2+ by comparing the angular differential cross section data with DWBA calculations. This low-lying 1/2+1/2+ state is interpreted as a proton intruder state and indicates a deformation of the nucleus.

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