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Discovery and cross-section measurement of neutron-rich isotopes in the element range from neodymium to platinum with the FRS

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons30773

Litvinov,  Y. A.
GSI Helmholtzzentrum für Schwerionenforschung;
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Zitation

Kurcewicz, J., Farinon, F., Geissel, H., Pietri, S., Nociforo, C., Prochazka, A., et al. (2012). Discovery and cross-section measurement of neutron-rich isotopes in the element range from neodymium to platinum with the FRS. Physics Letters B, 717(4-5), 371-375. doi:10.1016/j.physletb.2012.09.021.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-1A32-2
Zusammenfassung
Abstract:Using the high-resolution performance of the fragment separator FRS at GSI we have discovered 60 new neutron-rich isotopes in the atomic number range of 60⩽Z⩽78. The new isotopes were unambiguously identified in reactions with a 238U beam impinging on a Be target at 1 GeV/nucleon. The production cross-section for the new isotopes have been measured down to the pico-barn level and compared with predictions of different model calculations. For elements above hafnium fragmentation is the dominant reaction mechanism which creates the new isotopes, whereas fission plays a dominant role for the production of the new isotopes up to thulium.