Abstract.
Data have been obtained on exclusive single neutron knockout cross sections from 12Be to study its ground state structure. Preliminary cross sections for the first (0.32 MeV, \(\ensuremath{^1\!/_2 ^-}\)) and second (1.78 MeV, \(\ensuremath{^5\!/_2 ^+}\), unbound) excited states in 11Be have been obtained, giving evidence of significant admixtures of both \(\ensuremath{\nu(1p_{^1\!/_2})^2}\) and \(\ensuremath{\nu(1d_{^5\!/_2})^2}\) configurations in the ground state of 12Be.
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Pain, S.D., Catford, W.N., Orr, N.A. et al. Experimental evidence of a \(\mathrm{\ensuremath{\nu(1d_{^5\!/_2})^2}}\) component to the 12Be ground state. Eur. Phys. J. A 25 (Suppl 1), 349–351 (2005). https://doi.org/10.1140/epjad/i2005-06-186-9
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DOI: https://doi.org/10.1140/epjad/i2005-06-186-9