title: Observation of a rotational band in the odd-Z transfermium nucleus 101251Md.
abstract: A rotational band has been unambiguously observed in an odd-proton transfermium nucleus for the first time. An in-beam gamma-ray spectroscopic study of 101/251Md has been performed using the gamma-ray array JUROGAM combined with the gas-filled separator RITU and the focal plane device GREAT. The experimental results, compared to Hartree-Fock-Bogolyubov calculations, lead to the interpretation that the rotational band is built on the [521]1/2(-) Nilsson state.
authors.affiliation: Commissariat à l'Energie Atomique/SACLAY, DSM/DAPNIA/SPhN, F-91191 Gif-sur-Yvette Cedex, France. a.chatillon@gsi.de
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