Phys. Rev. Lett. 99, 192701 (2007) [4 pages]

Beyond the Coherent Coupled Channels Description of Nuclear Fusion

Abstract

References

Citing Articles (24)

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M. Dasgupta¹, D. J. Hinde¹, A. Diaz-Torres¹, B. Bouriquet^1,*, Catherine I. Low^1,†, G. J. Milburn², and J. O. Newton¹
¹Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia
²Department of Physics, University of Queensland, St. Lucia, QLD 4072, Australia

Received 8 June 2007; published 6 November 2007

See accompanying Physics Focus

New measurements of fusion cross sections at deep sub-barrier energies for the reactions ¹⁶O+^204,208Pb show a steep but almost saturated logarithmic slope, unlike ⁶⁴Ni-induced reactions. Coupled channels calculations cannot simultaneously reproduce these new data and above-barrier cross-sections with the same Woods-Saxon nuclear potential. It is argued that this highlights an inadequacy of the coherent coupled channels approach. It is proposed that a new approach explicitly including gradual decoherence is needed to allow a consistent description of nuclear fusion.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.99.192701

DOI:

10.1103/PhysRevLett.99.192701

PACS:

25.70.Jj, 03.65.Yz, 24.10.Eq

^*Current address: C.E.R.F.A.C.S., 31057 Cedex 01, France.

^†Current address: Rangi Ruru Girls’ School, Christchurch, New Zealand.

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Phys. Rev. Lett. 99, 192701 (2007) [4 pages]

Beyond the Coherent Coupled Channels Description of Nuclear Fusion