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EDP Sciences, EPJ Web of Conferences, (17), p. 08005

DOI: 10.1051/epjconf/20111708005

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Multi-neutron transfer coupling in sub-barrier<sup>32</sup>S +<sup>90,96</sup>Zr fusion reactions

Journal article published in 2011 by A. Richard, C. Beck, H. Q. Zhang, C. J. Lin, F. Yang, H. M. Jia ORCID, X. X. Xu, Z. D. Wu, F. Jia, S. T. Zhang, Z. H. Liu
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The role of neutron transfers is investigated in the fusion process below the Coulomb barrier by analyzing 32S+90Zr and 32S+96Zr as benchmark reactions. A full coupled-channel calculation of the fusion excitation functions has been performed for both systems by using multi-neutron transfer coupling for the more neutronrich reaction. The enhancement of fusion cross sections for 32S+96Zr is well reproduced at sub-barrier energies by NTFus code calculations including the coupling of the neutron-transfer channels following the Zagrebaev semiclassical model. We found similar effects for 40Ca+90Zr and 40Ca+96Zr fusion excitation functions.