Decay spectroscopy of suburanium isotopes following projectile fragmentation of 238U at 1 GeV/u

Z. Liu, J. Kurcewicz, P. J. Woods, C. Mazzocchi, F. Attallah, E. Badura, C. N. Davids, T. Davinson, J. Döring, H. Geissel, M. Górska, R. Grzywacz, M. Hellström, Z. Janas, M. Karny, A. Korgul, I. Mukha, M. Pfützner, C. Plettner, A. RobinsonE. Roeckl, K. Rykaczewski, K. Schmidt, D. Seweryniak, H. Weick

    Research output: Contribution to journalArticlepeer-review

    24 Scopus citations

    Abstract

    Charged-particle decay spectroscopy of heavy suburanium isotopes produced by projectile fragmentation of 1 GeV/u 238U was tested using a simple implantation-decay set-up equipped with fast-reset preamplifiers. The products were separated and identified with the GSI fragment separator (FRS) and implanted into a stack of Si detectors. Measurements were performed of implantation decay correlations of nuclei with half-lives in the range of 0.1-100 ms. Yields of very neutron-deficient protactinium, thorium and actinium isotopes were measured and yield extrapolations imply that with the availability of a beam intensity of 109 ions/s, projectile fragmentation of relativistic 238U can be an effective method to access new nuclear species including possible proton emitters in the suburanium region.

    Original languageEnglish
    Pages (from-to)591-601
    Number of pages11
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume543
    Issue number2-3
    DOIs
    StatePublished - May 11 2005

    Funding

    We are grateful to K.H. Behr, A. Brünle, K. Burkard, W. Hüller and M. Winkler for the technical support in the preparation for and during the experiment. Z.L., P.J.W., T.D. and A.R. would like to acknowledge funding from EPSRC. This work was partially supported by the EC under Contract HPRI-CT-1999-50017.

    Keywords

    • α radioactivity
    • p radioactivity
    • Projectile-fragmentation
    • Suburanium isotopes

    Fingerprint

    Dive into the research topics of 'Decay spectroscopy of suburanium isotopes following projectile fragmentation of 238U at 1 GeV/u'. Together they form a unique fingerprint.

    Cite this