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Target dependence in the study of collective modes in stable and exotic Ni nuclei

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Published under licence by IOP Publishing Ltd
, , Citation T Le Bleis et al 2010 J. Phys.: Conf. Ser. 202 012035 DOI 10.1088/1742-6596/202/1/012035

1742-6596/202/1/012035

Abstract

The appearance of the pygmy-dipole-resonance is a recently observed phenomenon that can be related to neutron-matter properties. Its study can be a tool to determine the nuclear symmetry-energy parameters and thus can contribute constraining neutron star models. We present the (γ,n) cross sections for different Ni isotopes obtained from a measurement in inverse kinematics at about 500 MeV/u in the LAND reaction setup at GSI. The question of the disentanglement of the Coulomb and nuclear contributions is addressed.

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10.1088/1742-6596/202/1/012035