Charged-particle spectroscopy in the microsecond range following projectile fragmentation

M. Pfützner, E. Badura, R. Grzywacz, Z. Janas, M. Momayezi, C. Bingham, B. Blank, M. Chartier, H. Geissel, J. Giovinazzo, M. Hellström, J. Kurcewicz, A. S. Lalleman, C. Mazzocchi, I. Mukha, C. Plettner, E. Roeckl, K. P. Rykaczewski, K. Schmidt, R. S. SimonM. Stanoiu, J. C. Thomas

    Research output: Contribution to journalArticlepeer-review

    25 Scopus citations

    Abstract

    We present a new approach to charged-particle spectroscopy of short-lived nuclei produced by relativistic projectile fragmentation. The system based on digital DGF-4C CAMAC modules and newly developed fast-reset preamplifiers was tested at the Fragment Separator of GSI. We were able to detect low-energy (≈ 1 MeV) decay signals occurring a few microseconds after a heavy-ion implantation accompanied by a release of ≈ 1 GeV energy. Applications for the study of one- and two-proton radioactivity are discussed.

    Original languageEnglish
    Pages (from-to)155-164
    Number of pages10
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume493
    Issue number3
    DOIs
    StatePublished - Nov 11 2002

    Funding

    We are grateful to K.-H. Behr, A. Brünle and W. Hüller for the excellent technical support in the preparation phase as well as during the experiment. This work was partially supported by the EC under contract HPRI-CT-1999-50017, by the Programme for Scientific Technical Collaboration (WTZ) under Project No. POL 99/009, and by the US DOE through contract DE-FG02-96ER40983 (University of Tennessee). ORNL is managed by UT-Battelle, LLC, for the US DOE under contract DE-AC05-00OR22725.

    Keywords

    • 2p radioactivity
    • Charged particle spectroscopy
    • Projectile fragmentation

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