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Título: | β- decay of 65Mn to 65Fe |
Autor: | Olaizola, B. CSIC ORCID CVN; Fraile, Luis M. CSIC ORCID; Mach, H.; Aprahamian, A.; Briz, José Antonio CSIC ORCID; Cal-González, J.; Ghita, D.; Köster, Ulli; Kurcewicz, W.; Lesher, S.R.; Pauwels, D.; Picado, E.; Poves, Alfredo CSIC ORCID; Radulov, D.; Simpson, G. S.; Udías, J. M | Palabras clave: | β‾ ⁶⁵Fe ⁶⁵Mn Radioactivity B(XL) Deduced ⁶⁵Fe T ⅟₂ Measured ϒ ̶ ϒ coincidences LaBr₃(Ce) detectors HPGw Fasttiming βϒ ̶ ϒ(t) method |
Fecha de publicación: | 2013 | Editor: | American Physical Society | Citación: | Physical Review C - Nuclear Physics 88: 044306 (2013) | Resumen: | The low-energy structure of 65Fe has been studied by means of γ and fast-timing spectroscopy at the ISOLDE facility, CERN. A level scheme of 65Fe populated following the β-decay of 65Mn was established for the first time. It includes 41 levels and 85 transitions. The excitation energy of the β-decaying isomer in 65Fe has been precisely determined at 393.7(2) keV. The β-delayed neutron emission branch was measured as Pn = 7.9(12)%, which cannot be reconciled with the previously reported value of 21.0(5)%. Four γ rays and four excited states in 64Fe were identified as being populated following the β-n decay. Four lifetimes and five lifetime limits in the subnanosecond range have been measured using the advanced time-delayed βγγ(t) method. The level scheme is compared with shell-model calculations. Tentative spin and parity assignments are proposed based on the observed transition rates, the calculations, and the systematics of the region. © 2013 American Physical Society. | URI: | http://hdl.handle.net/10261/103669 | DOI: | 10.1103/PhysRevC.88.044306 | Identificadores: | doi: 10.1103/PhysRevC.88.044306 issn: 0556-2813 |
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