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IOP Publishing, Journal of Physics: Conference Series, (202), p. 012035, 2010

DOI: 10.1088/1742-6596/202/1/012035

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

Journal article published in 2010 by T. Le Bleis, T. Le Bleis, D. Rossi, A. Klimkiewicz, U. Datta Pramanik, P. Adrich, Konstanze Boretzky, F. Aksouh, H. Alvarez-Pol, Thomas Aumann, J. Benlliure, E. Casarejos, M. Boehmer, Marielle Chartier, A. Chatillon and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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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.