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Communication dans un congrès

Exotic molecular and halo states in $^{12,14}$Be

Abstract : The two nuclei 12Be and 14Be have been studied using breakup reactions on p, 12C and 208Pb targets. The decay of 12Be into two helium clusters (6He+6He and 4He+8He) was observed from a series of excited states between 10 and 25 MeV, with spins in the range 4+ to 8+. The single neutron angular distributions for 14Be exhibit the narrow forward peak characteristic of a halo. The widths of these distributions in coincidence with 12Be fragments are ΓL = 78±6 and 80±1 MeV/c for breakup on carbon and lead.
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Soumis le : mardi 12 octobre 1999 - 15:48:27
Dernière modification le : jeudi 5 mars 2020 - 15:26:09
Document(s) archivé(s) le : lundi 10 septembre 2012 - 18:02:08



M. Freer, N.A. Orr, M. Labiche, F.M. Marqués, J.C. Angélique, et al.. Exotic molecular and halo states in $^{12,14}$Be. International Conference on Exotic Nuclei and Atomic Masses ENAM 98, Jun 1998, Bellaire, United States. pp.314-318, ⟨10.1063/1.57333⟩. ⟨in2p3-00009571⟩



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