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Study of a 5-Alpha Cluster Candidate with the 22Ne(p,t)20Ne and 22Ne(p,3He)20F Reactions

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Recent Progress in Few-Body Physics (FB22 2018)

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 238))

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Abstract

The isobaric nuclei 20Ne and 20F were investigated with the 22Ne(p,t)20Ne and 22Ne(p,3He)20F reactions using a beam of protons at Ep = 80 MeV. The former reaction was employed to confirm a tentative candidate for the 5-alpha cluster state in 20Ne, while the latter was used to look for T = 2 isobaric analogue partner states in 20F to states which were already observed above Ex = 20 MeV in 20Ne. The existence of a state which could be considered as a candidate for the 5-alpha cluster state is confirmed here as well as the T = 2 IAS states in 20Ne.

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Acknowledgements

We are grateful to the iThemba LABS accelerator team, led by Lowry Conradie and Dirk Fourie, for providing a high-quality proton beam to this experiment, and to our mechanical engineer, Zaid Dyers, for constructing the gas compressor unit.

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Authors and Affiliations

  1. Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, 8000, Aarhus, Denmark

    J. A. Swartz, H. O. U. Fynbo & N. Hubbard

  2. Department of Subatomic Physics, iThemba LABS, Somerset West, 7129, South Africa

    R. Neveling, P. Papka, L. M. Donaldson, F. D. Smit, G. F. Steyn, P. Adsley, G. G. O’Neill, J. C. Nzobadila-Ondze, L. Pellegri & V. Pesudo

  3. Department of Physics, University of Stellenbosch, Matieland, 7600, Stellenbosch, South Africa

    P. Papka & P. Adsley

  4. School of Physics, University of the Witwatersrand, Johannesburg, 2050, South Africa

    L. P. L. Baloyi, J. Carter & L. Pellegri

  5. Department of Physics, University of York, York, YO10 5DD, UK

    N. Hubbard

  6. Department of Physics, University of the Western Cape, Bellville, 7535, South Africa

    M. K. Mohamed, G. G. O’Neill, J. C. Nzobadila-Ondze, V. Pesudo, B. Rebeiro & S. Triambak

Authors
  1. J. A. Swartz
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  2. R. Neveling
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  5. F. D. Smit
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  6. G. F. Steyn
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  7. P. Adsley
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  8. L. P. L. Baloyi
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  9. J. Carter
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  10. H. O. U. Fynbo
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  11. N. Hubbard
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  12. M. K. Mohamed
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  13. G. G. O’Neill
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  14. J. C. Nzobadila-Ondze
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  15. L. Pellegri
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  16. V. Pesudo
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  17. B. Rebeiro
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  18. S. Triambak
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Corresponding author

Correspondence to J. A. Swartz .

Editor information

Editors and Affiliations

  1. LPC-Caen, ENSICAEN, IN2P3/CNRS, Université de Caen Normandie, Caen, France

    N. A. Orr

  2. GANIL, CEA/DRF-IN2P3/CNRS, Caen, France

    M. Ploszajczak

  3. LPC-Caen, ENSICAEN, IN2P3/CNRS, Université de Caen Normandie, Caen, France

    F. M. Marqués

  4. IPN-Orsay, IN2P3/CNRS, Université Paris-Sud, Université Paris-Saclay, Orsay, France

    J. Carbonell

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Swartz, J.A. et al. (2020). Study of a 5-Alpha Cluster Candidate with the 22Ne(p,t)20Ne and 22Ne(p,3He)20F Reactions. In: Orr, N., Ploszajczak, M., Marqués, F., Carbonell, J. (eds) Recent Progress in Few-Body Physics. FB22 2018. Springer Proceedings in Physics, vol 238. Springer, Cham. https://doi.org/10.1007/978-3-030-32357-8_52

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