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Observation of a rotational band in the odd-Z transfermium nucleus 101251Md |
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| Authors: | Chatillon A Theisen Ch Bouchez E Butler P A Clément E Dorvaux O Eeckhaudt S Gall B J P Görgen A Grahn T Greenlees P T Herzberg R-D Hessberger F Hürstel A Jones G D Jones P Julin R Juutinen S Kettunen H Khalfallah F Korten W Le Coz Y Leino M Leppänen A-P Nieminen P Pakarinen J Perkowski J Rahkila P Rousseau M Scholey C Uusitalo J Wilson J N Bonche P Heenen P-H |
| Affiliation: | Commissariat à l'Energie Atomique/SACLAY, DSM/DAPNIA/SPhN, F-91191 Gif-sur-Yvette Cedex, France. a.chatillon@gsi.de |
| 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. |
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