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β-decay and β-delayed Neutron Emission Measurements at GSI-FRS Beyond N=126, for r-process Nucleosynthesis

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jun 2014 United Kingdom, Spain Publisher:Elsevier BVJournal:Nuclear Data Sheets, volume 120, pages 81-83 (issn: 0090-3752,

Authors: C. Scheidenberger; F. Calviño; I. Mukha; J. S. Winfield; E. Sokol; B. Rubio; J. Marganiec; +55 Authors

doi: 10.1016/j.nds.2014.07.012

handle: 2117/24564

β-decay and β-delayed Neutron Emission Measurements at GSI-FRS Beyond N=126, for r-process Nucleosynthesis

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Abstract

New measurements of very exotic nuclei in the neutron-rich region beyond N=126 have been performed at the GSI facility with the fragment separator (FRS). The aim of the experiment is to determine half-lives and beta-delayed neutron emission branching ratios of isotopes of Hg, Tl and Pb in this region. This contribution summarizes final counting statistics for identification and for implantation, as well as the present status of the data analysis of the half-lives. In summary, isotopes of Pt, Au, Hg, Ti, Pb, Bi, Po, At, Rn and Fr were clearly identified and several of them (Hg208-211, Tl211-215, Pb214-218) were implanted with enough statistics to determine their half-lives. About half of them are expected to be neutron emitters, in such cases it will become possible to obtain the neutron emission probabilities, P-n.

Countries

United Kingdom, Spain

Related Organizations

University of Notre Dame
United States
European Organization for Nuclear Research
Switzerland
GSI Helmholtz Centre for Heavy Ion Research
Germany
Saint Mary's University
Canada
Technical University of Munich
Germany

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Keywords

:Energies::Energia nuclear [Àrees temàtiques de la UPC], Energia nuclear, Nuclear energy, Àrees temàtiques de la UPC::Energies::Energia nuclear

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