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Production of neutron-rich isotopes in cold-fragmentation reactions induced by relativistic 208 Pb projectiles

By T. Kurtukian-nieto, J. Benlliure, L. Audouin, F. Becker, E. Casarejos and D. Cortina-gil


One of the major challenges of nuclear physics is to enlarge the present limits of the chart of the nuclides. The experimental progress during the last decade has allowed to reach the proton drip line up to the charge 80. In contrast, the situation is quite different in the neutron-rich side. The last bound isotope has been observed only up to the charge 10. Fission has been used succesfully to produce medium-mass neutron-rich isotopes [1] while the heavy neutron-rich part remain almost unexplored. However, few years ago, cold-fragmentation reactions induced by relativistic projectiles were proposed as the optimum reaction mechanism to populate the heavy neutron-rich side of the chart of nuclides. In this paper we report an experiment performed at the GSI fragment separator FRS to produce heavy neutronric

Year: 2011
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