Different aspects of nuclear structure and reaction mechanisms in the collision N-13+B-11
(2001) Nuclear Physics, Section A — Vol. 689, n° 3-4, p. 668-690 (2001)
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- The reaction N-13 + B-11 has been investigated at two 13N beam energies: 29.5 and 45 MeV, Charged particles and gamma rays emitted in the reactions have been detected using a large array of silicon strip detectors and BaF2 scintillators, respectively. Several reaction channels have been analysed with different aims. The proton transfer reaction B-11(N-13, C-12)C-12 to various excited states of C-12 has been studied to obtain information on the N-13(g.s.) structure. The excitation energy of the Mg-24 compound nucleus was in the region where several resonances occur in the C-12 + C-12 system. The six-alpha decay of the Mg-24 intermediate system has been studied. Some of these events have been identified as coming from the break-up of two C-12* in the 3(1)(-)-3(1)(-) and 3(1)(-)-0(2)(+) states. The total fusion cross section has also been extracted from the data. In order to extract information on the isospin purity/mixing in Mg-24 at high excitation energy (E-x similar to 47 MeV), the GDR gamma emission from this self-conjugate nucleus has been studied. A comparison of gamma spectra has been undertaken for the reactions N-13 + B-11 and N-14 + B-10. (C) 2001 Elsevier Science B.V, Ail rights reserved.
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Di Pietro, A., Figuera, P., Neal, R., Sukosd, C., Amorini, F., Binon, F., Bradfield-Smith, W., Cabibbo, M., Cardella, G., Coszach, R., Davinson, T., Duhamel, P., Emmi, A., Irvine, R., Leleux, P., Mackenzie, J., Musumarra, A., Ninane, A., Papa, M., et al. (2001). Different aspects of nuclear structure and reaction mechanisms in the collision N-13+B-11. Nuclear Physics, Section A, 689(3-4), 668-690. https://doi.org/10.1016/S0375-9474(00)00704-1 (Original work published 2001)