Isomeric state and rotational band in 158Ho

N. Rizk (1) , J. Boutet (1)

1 LPSC - Laboratoire de Physique Subatomique et de Cosmologie

The odd-odd 158Ho nucleus is studied by means of the reactions 159Tb(α, 5n)158Ho and 160Dy(p, 3n)158 Ho. The life-time of an isomeric state is measured as T 1/2 = (29 ± 3) ns. A rotational band is developed up to spin 16 -.

Mots clés: alpha particle nucleus reactions; nuclear energy level lifetimes; nuclear isomerism; nuclei with mass number 150 to 189; proton nucleus reactions; sup 158 Ho; isomeric state; rotational band; sup 159 Tb alpha; 5n sup 158 Ho; sup 160 Dy p; 3n sup 158 Ho; isomeric state lifetime

Domaines: Articles anciens; Physique Nucléaire Expérimentale [nucl-ex]

N. Rizk, J. Boutet. Isomeric state and rotational band in 158Ho. Journal de Physique Lettres, 1976, 37 (9), pp.197-200. ⟨10.1051/jphyslet:01976003709019700⟩. ⟨jpa-00231273⟩