β decay of the exotic Tz=-2 nuclei Fe 48, Ni 52, and Zn 56

S. E.A. Orrigo; B. Rubio; Y. Fujita; W. Gelletly; J. Agramunt; A. Algora; P. Ascher; B. Bilgier; B. Blank; L. Cáceres; R. B. Cakirli; E. Ganioǧlu; M. Gerbaux; J. Giovinazzo; S. Grévy; O. Kamalou; H. C. Kozer; L. Kucuk; T. Kurtukian-Nieto; F. Molina; L. Popescu; A. M. Rogers; G. Susoy; C. Stodel; T. Suzuki; A. Tamii; J. C. Thomas

doi:10.1103/PhysRevC.93.044336

β decay of the exotic Tz=-2 nuclei Fe 48, Ni 52, and Zn 56

S. E.A. Orrigo, B. Rubio, Y. Fujita, W. Gelletly, J. Agramunt, A. Algora, P. Ascher, B. Bilgier, B. Blank, L. Cáceres, R. B. Cakirli, E. Ganioǧlu, M. Gerbaux, J. Giovinazzo, S. Grévy, O. Kamalou, H. C. Kozer, L. Kucuk, T. Kurtukian-Nieto, F. MolinaL. Popescu, A. M. Rogers, G. Susoy, C. Stodel, T. Suzuki, A. Tamii, J. C. Thomas

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Abstract

The results of a study of the β decays of three proton-rich nuclei with Tz=-2, namely Fe48,Ni52, and Zn56, produced in an experiment carried out at GANIL, are reported. In all three cases we have extracted the half-lives and the total β-delayed proton emission branching ratios. We have measured the individual β-delayed protons and β-delayed γ rays and the branching ratios of the corresponding levels. Decay schemes have been determined for the three nuclei, and new energy levels are identified in the daughter nuclei. Competition between β-delayed protons and γ rays is observed in the de-excitation of the T=2 isobaric analog states in all three cases. Absolute Fermi and Gamow-Teller transition strengths have been determined. The mass excesses of the nuclei under study have been deduced. In addition, we discuss in detail the data analysis taking as a test case Zn56, where the exotic β-delayed γ-proton decay has been observed.

Original language	English
Article number	044336
Journal	Physical Review C
Volume	93
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.93.044336 https://doi.org/10.1103/PhysRevC.93.044336
Publication status	Published - 27 Apr 2016
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Orrigo, S. E. A., Rubio, B., Fujita, Y., Gelletly, W., Agramunt, J., Algora, A., Ascher, P., Bilgier, B., Blank, B., Cáceres, L., Cakirli, R. B., Ganioǧlu, E., Gerbaux, M., Giovinazzo, J., Grévy, S., Kamalou, O., Kozer, H. C., Kucuk, L., Kurtukian-Nieto, T., ... Thomas, J. C. (2016). β decay of the exotic Tz=-2 nuclei Fe 48, Ni 52, and Zn 56. Physical Review C, 93(4), Article 044336. https://doi.org/10.1103/PhysRevC.93.044336, https://doi.org/10.1103/PhysRevC.93.044336

@article{f8113f3c9aaa4af7bd5692833eb06f6f,

title = "β decay of the exotic Tz=-2 nuclei Fe 48, Ni 52, and Zn 56",

abstract = "The results of a study of the β decays of three proton-rich nuclei with Tz=-2, namely Fe48,Ni52, and Zn56, produced in an experiment carried out at GANIL, are reported. In all three cases we have extracted the half-lives and the total β-delayed proton emission branching ratios. We have measured the individual β-delayed protons and β-delayed γ rays and the branching ratios of the corresponding levels. Decay schemes have been determined for the three nuclei, and new energy levels are identified in the daughter nuclei. Competition between β-delayed protons and γ rays is observed in the de-excitation of the T=2 isobaric analog states in all three cases. Absolute Fermi and Gamow-Teller transition strengths have been determined. The mass excesses of the nuclei under study have been deduced. In addition, we discuss in detail the data analysis taking as a test case Zn56, where the exotic β-delayed γ-proton decay has been observed.",

author = "Orrigo, {S. E.A.} and B. Rubio and Y. Fujita and W. Gelletly and J. Agramunt and A. Algora and P. Ascher and B. Bilgier and B. Blank and L. C{\'a}ceres and Cakirli, {R. B.} and E. Ganioǧlu and M. Gerbaux and J. Giovinazzo and S. Gr{\'e}vy and O. Kamalou and Kozer, {H. C.} and L. Kucuk and T. Kurtukian-Nieto and F. Molina and L. Popescu and Rogers, {A. M.} and G. Susoy and C. Stodel and T. Suzuki and A. Tamii and Thomas, {J. C.}",

note = "Publisher Copyright: {\textcopyright} 2016 American Physical Society.",

year = "2016",

month = apr,

day = "27",

doi = "10.1103/PhysRevC.93.044336",

language = "English",

volume = "93",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

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Orrigo, SEA, Rubio, B, Fujita, Y, Gelletly, W, Agramunt, J, Algora, A, Ascher, P, Bilgier, B, Blank, B, Cáceres, L, Cakirli, RB, Ganioǧlu, E, Gerbaux, M, Giovinazzo, J, Grévy, S, Kamalou, O, Kozer, HC, Kucuk, L, Kurtukian-Nieto, T, Molina, F, Popescu, L, Rogers, AM, Susoy, G, Stodel, C, Suzuki, T, Tamii, A & Thomas, JC 2016, 'β decay of the exotic Tz=-2 nuclei Fe 48, Ni 52, and Zn 56', Physical Review C, vol. 93, no. 4, 044336. https://doi.org/10.1103/PhysRevC.93.044336, https://doi.org/10.1103/PhysRevC.93.044336

TY - JOUR

T1 - β decay of the exotic Tz=-2 nuclei Fe 48, Ni 52, and Zn 56

AU - Orrigo, S. E.A.

AU - Rubio, B.

AU - Fujita, Y.

AU - Gelletly, W.

AU - Agramunt, J.

AU - Algora, A.

AU - Ascher, P.

AU - Bilgier, B.

AU - Blank, B.

AU - Cáceres, L.

AU - Cakirli, R. B.

AU - Ganioǧlu, E.

AU - Gerbaux, M.

AU - Giovinazzo, J.

AU - Grévy, S.

AU - Kamalou, O.

AU - Kozer, H. C.

AU - Kucuk, L.

AU - Kurtukian-Nieto, T.

AU - Molina, F.

AU - Popescu, L.

AU - Rogers, A. M.

AU - Susoy, G.

AU - Stodel, C.

AU - Suzuki, T.

AU - Tamii, A.

AU - Thomas, J. C.

PY - 2016/4/27

Y1 - 2016/4/27

N2 - The results of a study of the β decays of three proton-rich nuclei with Tz=-2, namely Fe48,Ni52, and Zn56, produced in an experiment carried out at GANIL, are reported. In all three cases we have extracted the half-lives and the total β-delayed proton emission branching ratios. We have measured the individual β-delayed protons and β-delayed γ rays and the branching ratios of the corresponding levels. Decay schemes have been determined for the three nuclei, and new energy levels are identified in the daughter nuclei. Competition between β-delayed protons and γ rays is observed in the de-excitation of the T=2 isobaric analog states in all three cases. Absolute Fermi and Gamow-Teller transition strengths have been determined. The mass excesses of the nuclei under study have been deduced. In addition, we discuss in detail the data analysis taking as a test case Zn56, where the exotic β-delayed γ-proton decay has been observed.

AB - The results of a study of the β decays of three proton-rich nuclei with Tz=-2, namely Fe48,Ni52, and Zn56, produced in an experiment carried out at GANIL, are reported. In all three cases we have extracted the half-lives and the total β-delayed proton emission branching ratios. We have measured the individual β-delayed protons and β-delayed γ rays and the branching ratios of the corresponding levels. Decay schemes have been determined for the three nuclei, and new energy levels are identified in the daughter nuclei. Competition between β-delayed protons and γ rays is observed in the de-excitation of the T=2 isobaric analog states in all three cases. Absolute Fermi and Gamow-Teller transition strengths have been determined. The mass excesses of the nuclei under study have been deduced. In addition, we discuss in detail the data analysis taking as a test case Zn56, where the exotic β-delayed γ-proton decay has been observed.

UR - http://www.scopus.com/inward/record.url?scp=84964767193&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.93.044336

DO - 10.1103/PhysRevC.93.044336

M3 - Article

AN - SCOPUS:84964767193

SN - 2469-9985

VL - 93

JO - Physical Review C

JF - Physical Review C

IS - 4

M1 - 044336

ER -

β decay of the exotic Tz=-2 nuclei Fe 48, Ni 52, and Zn 56

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