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First measurement of β-decay properties of the proton drip-line nucleus 60Ga

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Abstract:

By using the fusion-evaporation reaction 28Si(36Ar,p3n) and spectroscopy of β-delayed γ-rays and charged particles on mass-separated sources, β-decay properties of the neutron-deficient isotope 60Ga were studied for the first time. The half-life of 60Ga was determined to be 70(15) ms, and, based on βγγ coincidences, the isobaric-analogue state in 60Zn was identified at 4851.9(7) keV. A semiempirical proton separation energy value of 40(70) keV was deduced for 60Ga. The experimental results on half-life, mass excess, proton separation energy, and structure of the 60Zn daughter states are discussed in comparison with various model predictions, including large-scale shell model calculations.

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Authors and Affiliations

  1. Gesellschaft für Schwerionenforschung, Darmstadt, D-64291 Darmstadt, Germany, , , , , , DE

    C. Mazzocchi, Z. Janas, J. Döring, R. Borcea, A. Faßbender, H. Grawe, M. Kapica, R. Kirchner, J. Kurcewicz, I. Mukha & E. Roeckl

  2. Laboratori Nazionali di Legnaro – INFN, I-35020 Legnaro, Italy, , , , , , IT

    M. Axiotis, G. de Angelis, E. Farnea, A. Gadea, T. Martínez & D.R. Napoli

  3. St. Petersburg Nuclear Physics Institute, RU-188-350 Gatchina, Russia, , , , , , RU

    L. Batist

  4. Department of Nuclear Fission, CIEMAT, E-28040 Madrid, Spain, , , , , , ES

    D. Cano-Ott

  5. Institut de Recherches Subatomiques (IN2P3-CNRS-Université Louis Pasteur), F-67037 Strasbourg Cedex 2, France, , , , , , FR

    E. Caurier

  6. Instituto de Fisica Corpuscular, CSIC-Universidad de Valencia, E-46100 Burjassot-Valencia, Spain, , , , , , ES

    E. Nácher, B. Rubio & J.L. Tain

  7. Departamento de Fisica Teórica, Universidad Autónoma de Madrid, E-28049 and Instituto Estructura de la Materia, CSIC, E-28006 Madrid, Spain, , , , , , ES

    A. Jungclaus

  8. Dipartimento di Fisica dell'Universitá di Padova and INFN, I-35131 Padova, Italy, , , , , , IT

    S.M. Lenzi & C.A. Ur

  9. Forschungszentrum Rossendorf, D-01314 Dresden, Germany, , , , , , DE

    R. Schwengner

Authors
  1. C. Mazzocchi
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  2. Z. Janas
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  3. J. Döring
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  4. M. Axiotis
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  5. L. Batist
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  6. R. Borcea
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  7. D. Cano-Ott
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  8. E. Caurier
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  9. G. de Angelis
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  10. E. Farnea
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  11. A. Faßbender
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  12. A. Gadea
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  13. H. Grawe
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  14. A. Jungclaus
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  15. M. Kapica
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  16. R. Kirchner
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  17. J. Kurcewicz
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  18. S.M. Lenzi
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  19. T. Martínez
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  20. I. Mukha
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  21. E. Nácher
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  22. D.R. Napoli
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  23. E. Roeckl
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  24. B. Rubio
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  25. R. Schwengner
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  26. J.L. Tain
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  27. C.A. Ur
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Additional information

Received: 4 September 2001 / Accepted: 12 November 2001

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Mazzocchi, C., Janas, Z., Döring, J. et al. First measurement of β-decay properties of the proton drip-line nucleus 60Ga. Eur Phys J A 12, 269–277 (2001). https://doi.org/10.1007/s100500170004

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  • DOI: https://doi.org/10.1007/s100500170004

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