New neutron-rich isotopes in the scandium-to-nickel region,produced by fragmentation of a 500 MeV/u86Kr beam |
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| Authors: | M Weber C Donzaud J P Dufour H Geissel A Grewe D Guillemaud-Mueller H Keller M Lewitowicz A Magel A C Mueller G Münzenberg F Nickel M Pfützner A Piechaczek M Pravikoff E Roeckl K Rykaczewski M G Saint-Laurent I Schall C Stephan K Sümmerer L Tassan-Got D J Vieira B Voss |
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| Institution: | 1. Department of Physics and Astronomy, Iowa State University, 50011, Ames, IA, USA
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| Abstract: | We have measured production cross-sections of the new neutron-rich isotopes58Ti,61V,63Cr,66Mn,69Fe,71Co and neighbouring isotopes that have been identified as projectile fragments from reactions between a 500 MeV/u86Kr beam and a beryllium target. The isotope identification was performed with the zero-degree magnetic spectrometer FRS at GSI, using in addition time-of-flight and energy-loss measurements. The experimental production cross-sections for the new nuclides and neighbouring isotopes are compared with an empirical parametrization. The resulting prospects for reaching even more neutron-rich isotopes, such as the doubly-magic nuclide78Ni, are discussed.This work is part of the Ph.D. Thesis of M. Weber |
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| Keywords: | PACS" target="_blank">PACS 25 70 Np 27 50 + e |
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