β-delayed fission and α decay of 178Tl

Thomas Cocolios, V. Liberati, A. N. Andreyev, S. Antalic, A. Barzakh, T. E. Cocolios, J. Elseviers, D. Fedorov, V. N. Fedoseeev, M. Huyse, D. T. Joss, Z. Kalaninová, U. Köster, J. F W Lane, B. Marsh, D. Mengoni, P. Molkanov, K. Nishio, R. D. Page, N. PatronisD. Pauwels, D. Radulov, M. Seliverstov, M. Sjödin, I. Tsekhanovich, P. Van Den Bergh, P. Van Duppen, M. Venhart, M. Veselský

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A detailed nuclear-decay spectroscopy study of the neutron-deficient isotope 178Tl has been performed using the highly selective Resonance Ionization Laser Ion Source and ISOLDE mass separator (CERN), which allowed a unique isobarically pure beam of 178Tl to be produced. The first identification of the β-delayed fission of this isotope was made and its probability P βDF(178Tl)=0.15(6)% was determined. An asymmetric fission fragment mass distribution of the daughter isotope 178Hg (populated by the β decay of 178Tl) was deduced based on the measured fission fragment energies. The fine-structure α-decay pattern of 178Tl allowed the low-energy states in the daughter nucleus 174Au to be studied. © 2013 American Physical Society.
    Original languageEnglish
    Article number044322
    JournalPhysical Review C - Nuclear Physics
    Volume88
    Issue number4
    DOIs
    Publication statusPublished - 21 Oct 2013

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