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Search for cluster emission and extremely deformed shapes using charged-particle spectroscopy

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Acta Physica Hungarica A) Heavy Ion Physics

Abstract

The possible occurrence of highly deformed configurations is investigated in the N=Z nuclei 40Ca, 44Ti, and 56Ni as formed in the 28Si+12C, 16O+28Si, and 28Si+28Si reactions by using the properties of the emitted light charged particles (LCP). The energy spectra, in-plane and out-of-plane angular correlations of LCP’s are analysed for each of the 3 studied reactions within the framework of the statistical model. Strong deformation effects are deduced from Hauser-Feshbach calculations performed with the Monte Carlo code CACARIZO by using a consistent set of parameters with spin-dependent level densities. The analysis of α particles in coincidence with 32S fragments emitted in 28Si+12C shows a strong contribution from a 8Be cluster emission. The binary nature of this cluster emission has been verified in three other reactions involving a 12C target: 27A1+12C, 31P+12C, and 32S+12C.

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Authors and Affiliations

  1. Institut de Recherches Subatomiques, F-67037, Strasbourg, Cedex 2, France

    C. Beck, M. Rousseau, P. Papka, A. Sànchez i Zafra, C. Bhattacharya, V. Rauch, P. Bednarczyk, S. Courtin, O. Dorvaux, F. Haas, A. Nourreddine, I. Piqueras, J. Robin, L. El Bakali, C. Enaux, E. Galmar, S. Szilner & O. Stezowski

  2. Institut de Physique Nucléaire de Lyon, F-69622, Villeurbanne, France

    O. Stezowski & A. Prévost

  3. Hahn-Meitner-Institut Berlin, D-14109, Berlin, Germany

    S. Thummerer & W. von Oertzen

  4. Université de Nice-Sophia-Antipolis, F-06108, Nice, France

    A. Hachem & E. Martin

  5. Université Hassan II - Mohammadia, Casablanca, Marocco

    A. Fahli & A. Morsad

  6. Instituto de Fisica da Universidade de São Paulo, São Paulo, Brazil

    A. Szanto de Toledo

  7. University of Kansas, 66045, Lawrence, Kansas, USA

    S. J. Sanders

  8. Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Kolkata, India

    C. Bhattacharya

  9. INFN, Laboratori Nazionali di Legnaro, I-35020, Legnaro, Italy

    S. Szilner

Authors
  1. C. Beck
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  2. M. Rousseau
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  3. P. Papka
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  4. A. Sànchez i Zafra
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  5. C. Bhattacharya
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  6. V. Rauch
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  7. P. Bednarczyk
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  8. S. Courtin
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  9. O. Dorvaux
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  10. F. Haas
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  11. A. Nourreddine
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  12. I. Piqueras
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  13. J. Robin
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  14. L. El Bakali
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  15. C. Enaux
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  16. E. Galmar
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  17. S. Szilner
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  18. O. Stezowski
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  19. A. Prévost
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  20. S. Thummerer
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  21. W. von Oertzen
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  22. A. Hachem
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  23. E. Martin
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  24. A. Fahli
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  25. A. Morsad
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  26. A. Szanto de Toledo
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  27. S. J. Sanders
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Beck, C., Rousseau, M., Papka, P. et al. Search for cluster emission and extremely deformed shapes using charged-particle spectroscopy. APH N.S., Heavy Ion Physics 18, 297–302 (2003). https://doi.org/10.1556/APH.18.2003.2-4.30

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  • DOI: https://doi.org/10.1556/APH.18.2003.2-4.30

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