The nucleusGe has been studied via the +Zn{n, 2ny) Ge reaction at E~= 30 MeV using different in-beam y spectroscopic techniques. Levels up to 5.5 MeV have been identified and spins up to 8+ have been established.NUCLEAR REACTIONS +Zn{n, 2ny) E~= 30 MeV, yy coincidences, angular distributions, level scheme deduced.

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A compilation of a large number of experimental results supporting a crude shell-model description of twonucleon high-spin states is presented, A simple addition rule is deduced: In even nuclei the energy of a state involving two nucleons coupled to their maximum spin value is simply the sum of the experimental energies of each nucleon in its single-particle state in the neighboring nucleus plus the pairing energy when. the two nucleons are identical. This simple model gives predictions in a parameter-free way, all the involved data being extracted from experiments. NUCLEAR STRUCTURE. E Very simple shell-model. Location of two-nucleon" high-spin states, coupling to maximum spin of the two nucleons.