Selective Population of Highly Excited States Observed in the Reaction ${}^{16}O ({}^{12}C, α) {}^{24}{Mg}$

The reaction

{}^{16}O ({}^{12}C, α) {}^{24}{Mg}

has been observed to populate states at

E_{x} = 16.30, 16.55, and 16.84

MeV with center-of-mass cross sections (at

⊖_{c . m .} = 11 °

) of 1.8, 4.5, and 4.1 mb/sr, respectively. The evidence suggests that these states possess high angular momentum. Another state observed at

E_{x} = 15.15

MeV could be the

J^{Π} = 9^{+}

member of the

K = 2

rotational band.

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Selective Population of Highly Excited States Observed in the ReactionO16(C12, α)Mg24