Shape coexistence in the odd-odd $^{186}$Au nucleus

Autor: M.G. Porquet, C. Bourgeois, J. Sauvage-Letessier, P. Kilcher
Přispěvatelé: Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (CSNSM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 1983
Předmět:
Zdroj: Nuclear Physics A
Nuclear Physics A, Elsevier, 1983, 411, pp.65-80
ISSN: 0375-9474
Popis: Low-spin states of 186 Au have been studied from the β + /EC decay of 186 Hg using the ISOCELE facility. Precise conversion-electron measurements were performed with a semicircular magnetic spectrograph. The 186 Au level scheme has been established with spin and parity assignments deduced from transition multipolarities and log ƒt values. It shows two separate groups of levels which could be interpreted as due to shape coexistence: prolate deformation for the first low-lying states, and oblate deformation for the 251.5 keV (2 − ) and 363.6 keV (1 + ) states.
Databáze: OpenAIRE