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

作者：Freer M^*; Ashwood N I; Barr M; Curtis N; Gibelin J; Haas F; Malcolm J D; Munoz Britton T; Randisi G; Soic N; Ziman V A

来源：Journal of Physics G: Nuclear and Particle Physics , 2011, 38(11): 115106.

DOI：10.1088/0954-3899/38/11/115106

A study of the C-12(C-13,Ne-20+alpha)n reaction has been performed at C-13 beam energies of 12.0, 13.5 and 20.0 MeV. The measurements were to explore the extent to which Mg-24 excited states could be populated in a quasi-free C-12+C-12 -> Ne-20+alpha reaction in which the last neutron in the C-13 beam acts as a spectator. Excited states in Mg-24 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 Mg-25 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 Ne-21 populated in the C-12(C-13,Ne-21)alpha reaction.

• 出版日期2011-11