Decay spectroscopy of suburanium isotopes following projectile fragmentation of U 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

Abstract / Description of output

Charged-particle decay spectroscopy of heavy suburanium isotopes produced by projectile fragmentation of 1 GeV/u U 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 10 ions/s, projectile fragmentation of relativistic U 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
Issue number2-3
Publication statusPublished - 11 May 2005


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