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Particle-hole structures of neutron-rich Be- and C-isotopes

In our studies on the structure of neutron-rich beryllium isotopes we investigated the isotope Be-11 using heavy-ion transfer reactions. States between 3 MeV and 4 MeV excitation energy were assigned, where controversial assignments were given in the literature. In the spectroscopy of C-16 we could identify 14 new states, many of them with a structure of three neutrons in the (sd) shell and one neutron hole in the 1p1/2 shell.

clusters; molecular states; beryllium and carbon isotopes

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