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Projectile breakup dynamics for 6Li + 59Co : Kinematical analysis of \( \alpha\) - d coincidences

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Abstract

A study of the kinematics of the \( \alpha\) -d coincidences in the 6Li + 59Co system at a bombarding energy of E lab = 29.6 MeV is presented. With exclusive measurements performed over different angular intervals it is possible to identify the respective contributions of the sequential and direct projectile breakup components. The angular distributions of both breakup components are fairly well described by the Continuum-Discretized Coupled-Channels framework (CDCC). Furthermore, a careful analysis of these processes using a semiclassical approach provides information on both their lifetime and their distance of occurrence with respect to the target. Breakup to the low-lying (near-threshold) continuum is delayed, and happens at large internuclear distances. This suggests that the influence of the projectile breakup on the complete fusion process can be related essentially to the direct breakup to the 6Li high-lying continuum spectrum.

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Authors and Affiliations

  1. Departamento de Física Nuclear, Instituto de Física - Universidade de São Paulo, C.P. 66318, 05315-970, São Paulo, SP, Brazil

    F. A. Souza, N. Carlin, R. Liguori Neto, C. Siqueira-Mello, M. M. de Moura, M. G. Munhoz, R. A. N. Oliveira, M. G. Del Santo, A. A. P. Suaide, E. M. Szanto & A. Szanto de Toledo

  2. Institut Pluridisciplinaire Hubert Curien, UMR 7178, CNRS-IN2P3 and Université Louis Pasteur, Boîte Postale 28, F-67037, Strasbourg, Cedex 2, France

    C. Beck

  3. Department of Nuclear Reactions, The Andrzej Sołtan Institute for Nuclear Studies, ul. Hoża 69, 00-681, Warsaw, Poland

    N. Keeley

  4. Department of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, GU2 7XH, Guildford, UK

    A. Diaz-Torres

Authors
  1. F. A. Souza
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  2. N. Carlin
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  3. C. Beck
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  4. N. Keeley
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  5. A. Diaz-Torres
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  6. R. Liguori Neto
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  7. C. Siqueira-Mello
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  8. M. M. de Moura
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  9. M. G. Munhoz
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  10. R. A. N. Oliveira
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  11. M. G. Del Santo
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  12. A. A. P. Suaide
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  13. E. M. Szanto
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  14. A. Szanto de Toledo
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Corresponding author

Correspondence to F. A. Souza.

Additional information

Communicated by C. Signorini

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Souza, F.A., Carlin, N., Beck, C. et al. Projectile breakup dynamics for 6Li + 59Co : Kinematical analysis of \( \alpha\) - d coincidences. Eur. Phys. J. A 44, 181–187 (2010). https://doi.org/10.1140/epja/i2010-10940-0

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  • DOI: https://doi.org/10.1140/epja/i2010-10940-0

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