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Proton radioactivity of151Lu

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

A (1231±3) keV proton activity has been observed in the fusion reaction58Ni +96Ru→154Hf*. The production cross section peaks at 50 MeV of excitation energy with a value of about 70 μb. No coincidences with annihilation radiation or withK X-rays could be observed. The activity is assigned to direct proton decay of the new isotope151Lu. The measured half life is (85±10) ms.

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Authors and Affiliations

  1. Gesellschaft für Schwerionenforschung mbH, Darmstadt, Federal Republic of Germany

    S. Hofmann, W. Reisdorf, G. Münzenberg, F. P. Heßberger, J. R. H. Schneider & P. Armbruster

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  1. S. Hofmann
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  2. W. Reisdorf
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  3. G. Münzenberg
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  4. F. P. Heßberger
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  5. J. R. H. Schneider
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  6. P. Armbruster
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Additional information

We are grateful to all collaborators supporting this work, especially to the UNILAC staff providing excellent beams. We thank H. Folger and coworkers for preparing numerous targets and R. Meunier and coworkers for producing highly enriched targets at the mass separator PARIS, Laboratoire Renè Bernas, Orsay. The nuclear electronic moduls were taken from the GSI pool maintained by H. Spieler, R. Albrecht, and coworkers. M. Richter, K. Poppensieker, J. Lowsky, and their coworkers helped in data collection and analysis. Finally, we thank H.-J. Schött and H.-G. Burkhard who carried out many electronical and mechanical works before and during the experiments.

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Hofmann, S., Reisdorf, W., Münzenberg, G. et al. Proton radioactivity of151Lu. Z Physik A 305, 111–123 (1982). https://doi.org/10.1007/BF01415018

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  • DOI: https://doi.org/10.1007/BF01415018

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