Properties of low-lying states in Co 65 from lifetime measurements

B. Olaizola; L. M. Fraile; H. Mach; Nowacki; A. Poves; A. Aprahamian; J. A. Briz; J. Cal-González; D. Ghiţa; U. Köster; W. Kurcewicz; S. R. Lesher; D. Pauwels; E. Picado; D. Radulov; G. S. Simpson; J. M. Udías

doi:10.1103/PhysRevC.99.024321

Properties of low-lying states in Co 65 from lifetime measurements

B. Olaizola
, L. M. Fraile
, H. Mach
, Nowacki
, A. Poves
, A. Aprahamian
, J. A. Briz
, J. Cal-González
, D. Ghiţa
, U. Köster
, W. Kurcewicz
, S. R. Lesher
, D. Pauwels
, E. Picado
, D. Radulov
, G. S. Simpson
, J. M. Udías

Physics

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The low-energy structure of Co65 was studied by means of γ-and fast-timing spectroscopy at the ISOLDE/CERN facility. The known level scheme of Co65 populated following the β-decay of Fe65 was expanded. The experimental results were compared with large-scale shell-model calculations. The measured long lifetime of the (1/21-) level confirms its nature as a highly collective state with proton excitations across the Z=28 gap and neutrons across the N=40 subshell.

Original language	English
Article number	024321
Journal	Physical Review C
Volume	99
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.99.024321
State	Published - Jan 1 2019

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10.1103/PhysRevC.99.024321

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Olaizola, B., Fraile, L. M., Mach, H., Nowacki, Poves, A., Aprahamian, A., Briz, J. A., Cal-González, J., Ghiţa, D., Köster, U., Kurcewicz, W., Lesher, S. R., Pauwels, D., Picado, E., Radulov, D., Simpson, G. S., & Udías, J. M. (2019). Properties of low-lying states in Co 65 from lifetime measurements. Physical Review C, 99(2), Article 024321. https://doi.org/10.1103/PhysRevC.99.024321

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abstract = "The low-energy structure of Co65 was studied by means of γ-and fast-timing spectroscopy at the ISOLDE/CERN facility. The known level scheme of Co65 populated following the β-decay of Fe65 was expanded. The experimental results were compared with large-scale shell-model calculations. The measured long lifetime of the (1/21-) level confirms its nature as a highly collective state with proton excitations across the Z=28 gap and neutrons across the N=40 subshell.",

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AU - Fraile, L. M.

AU - Mach, H.

AU - Nowacki, null

AU - Poves, A.

AU - Aprahamian, A.

AU - Briz, J. A.

AU - Cal-González, J.

AU - Ghiţa, D.

AU - Köster, U.

AU - Kurcewicz, W.

AU - Lesher, S. R.

AU - Pauwels, D.

AU - Picado, E.

AU - Radulov, D.

AU - Simpson, G. S.

AU - Udías, J. M.

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AB - The low-energy structure of Co65 was studied by means of γ-and fast-timing spectroscopy at the ISOLDE/CERN facility. The known level scheme of Co65 populated following the β-decay of Fe65 was expanded. The experimental results were compared with large-scale shell-model calculations. The measured long lifetime of the (1/21-) level confirms its nature as a highly collective state with proton excitations across the Z=28 gap and neutrons across the N=40 subshell.

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Properties of low-lying states in Co 65 from lifetime measurements

Abstract

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