HAL : in2p3-00642124, version 1

DOI : 10.1088/0954-3899/38/11/115106

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Journal of Physics G Nuclear Physics 38 (2011) 115106

Access to resonant states in (24)Mg using the (12)C((13)C,(4)He+(20)Ne)n reaction

M. Freer, N.I. Ashwood, M. Barr, N. Curtis, J. Gibelin1, F. Haas2, J.D. Malcolm, T. Munoz-Britton, G. Randisi1, N. Soic, V.A. Ziman

(2011)

A study of the (12)C((13)C,(20)Ne+alpha)n reaction has been performed at (13)C beam energies of 12.0, 13.5 and 20.0 MeV. The measurements were to explore the extent to which (24)Mg excited states could be populated in a quasi-free (12)C+(12)C ->(20)Ne+alpha reaction in which the last neutron in the (13)C beam acts as a spectator. Excited states in (24)Mg are found at 13.25 (0.20) and 14.25 (0.20) MeV. These states are found to be produced from the neutron evaporation from the (25)Mg compound nucleus. The kinematic region associated with the quasi-free condition is dominated by contaminants from the reactions associated with neutron decay of excited states in (21)Ne populated in the (12)C((13)C,(21)Ne)alpha reaction.

1 :	LPCC - Laboratoire de Physique Corpusculaire de Caen
2 :	IPHC - Institut Pluridisciplinaire Hubert Curien

équipe(s) de recherche : Structure nucléaire

Thème(s)

:

Physique/Physique Nucléaire Expérimentale

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Contributeur : Sandrine Guesnon <>

Soumis le : Jeudi 17 Novembre 2011, 13:58:55

Dernière modification le : Jeudi 17 Novembre 2011, 21:16:37