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| Título: | K selection in the decay of the (ν 52 [532]- 32 [411])4- isomeric state in Zr 102 |
Autor: | Browne, F.; Bruce, A.M.; Sumikama, T.; Nishizuka, I.; Nishimura, S.; Doornenbal, P.; Lorusso, G.; Taprogge, J. CSIC ORCID; Werner, V.; Wieland, O. | Fecha de publicación: | 15-ago-2017 | Editor: | American Physical Society | Citación: | Physical Review C 96: 024309 (2017) | Resumen: | The (ν52[532]- 32[411]) 4- state in Zr102, populated in the β decay of Y102, has been measured to be isomeric with a mean lifetime of 9.5(7) ns. It decays via four transitions, two of which are ΔK=2 (to the 3+ and 4+ members of the 2γ+ band) and one is ΔK=4 (to the 4+ member of the ground state 0+ band). The fourth (low-energy) transition is inferred to decay to an as-yet unassigned state. Hindrances of 106 were derived for the ΔK=2 transitions compared to Weisskopf estimates and the ΔK=4 transition hindered by a factor of 109. These values are consistent with the decay pattern of the analogous isomeric state in the neighboring N=62 nucleus Sr100 and with the broader systematics of such transitions. A comparison of the hindrances for the ΔK=4 transitions suggests that Zr102 is hardened against the γ degree of freedom compared to Sr100. | Descripción: | F. Browne et al. -- 7 pags. 8 figs., 2 tabs. | Versión del editor: | https://doi.org/10.1103/PhysRevC.96.024309 | URI: | http://hdl.handle.net/10261/161396 | DOI: | 10.1103/PhysRevC.96.024309 | Identificadores: | doi: 10.1103/PhysRevC.96.024309 issn: 2469-9993 |
| Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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| K selection.pdf | 652,25 kB | Adobe PDF |  Visualizar/Abrir |
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