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High-resolution two-proton stripping to 2p-1h 7/2- states via the 59Co(3He,n\(\gamma\))61Cu reaction

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Abstract.

The challenge of achieving high resolution in binary reactions involving an outgoing high-energy neutron is solved by detecting the \( \gamma\)-ray decay of populated excited states in an array of escape-suppressed HPGe detectors in coincidence with fast neutrons. The selectivity of the arrangement is of the order of 1 in 1000 and is demonstrated by L = 0 two-proton stripping to 7/2- 2p-1h levels using the 59Co(3He,\(n \gamma\))61Cu reaction at E lab = 22.5 MeV. The observed relative two-proton stripping strengths are compared with large-basis shell-model calculations.

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Authors and Affiliations

  1. Department of Physics, University of Stellenbosch, Private Bag X1, 7602, Matieland, South Africa

    P. Papka, E. A. M. A. Khaleel, K. C. W. Li & P. Vymers

  2. iThemba LABS, National Research Foundation, PO Box 722, 7129, Somerset West, South Africa

    P. Papka, E. A. Lawrie, J. J. Lawrie, S. N. T. Majola, W. A. Richter, O. Shirinda & M. Wiedeking

  3. Department of Physics, University of the Western Cape, ZA-7535, Bellville, South Africa

    J. F. Sharpey-Schafer, T. S. Dinoko, W. A. Richter & O. Shirinda

  4. Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University East Lansing, 48824-1321, Michigan, USA

    B. A. Brown

  5. Department of Physics, University of Cape Town, 7700, Rondebosch, South Africa

    M. A. Stankiewicz

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  1. P. Papka
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  2. J. F. Sharpey-Schafer
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  3. B. A. Brown
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  4. T. S. Dinoko
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  6. E. A. Lawrie
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  7. J. J. Lawrie
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  8. K. C. W. Li
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  9. S. N. T. Majola
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  11. O. Shirinda
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  12. M. A. Stankiewicz
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  13. P. Vymers
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  14. M. Wiedeking
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Corresponding author

Correspondence to P. Papka.

Additional information

Communicated by H. Miyatake

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Papka, P., Sharpey-Schafer, J.F., Brown, B.A. et al. High-resolution two-proton stripping to 2p-1h 7/2- states via the 59Co(3He,n\(\gamma\))61Cu reaction. Eur. Phys. J. A 50, 158 (2014). https://doi.org/10.1140/epja/i2014-14158-x

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  • DOI: https://doi.org/10.1140/epja/i2014-14158-x

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