Observation of the β-Delayed γ-proton decay of Zn 56 and its impact on the Gamow-Teller strength evaluation

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

Research output: Article

22 Citations (Scopus)

Abstract

We report the observation of a very exotic decay mode at the proton drip line, the β-delayed γ-proton decay, clearly seen in the βdecay of the Tz=-2 nucleus Zn56. Three γ-proton sequences have been observed after the βdecay. Here this decay mode, already observed in the sd shell, is seen for the first time in the fp shell. Both γ and proton decays have been taken into account in the estimation of the Fermi and Gamow-Teller strengths. Evidence for fragmentation of the Fermi strength due to strong isospin mixing is found.

Original languageEnglish
Article number222501
JournalPhysical Review Letters
Volume112
Issue number22
DOIs
Publication statusPublished - jún. 3 2014

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protons
evaluation
decay
fragmentation
nuclei

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Orrigo, S. E. A., Rubio, B., Fujita, Y., Blank, B., Gelletly, W., Agramunt, J., ... Thomas, J. C. (2014). Observation of the β-Delayed γ-proton decay of Zn 56 and its impact on the Gamow-Teller strength evaluation. Physical Review Letters, 112(22), [222501]. https://doi.org/10.1103/PhysRevLett.112.222501

Observation of the β-Delayed γ-proton decay of Zn 56 and its impact on the Gamow-Teller strength evaluation. / Orrigo, S. E A; Rubio, B.; Fujita, Y.; Blank, B.; Gelletly, W.; Agramunt, J.; Algora, A.; Ascher, P.; Bilgier, B.; Cáceres, L.; Cakirli, R. B.; Fujita, H.; Ganioǧlu, E.; Gerbaux, M.; Giovinazzo, J.; Grévy, S.; Kamalou, O.; Kozer, H. C.; Kucuk, L.; Kurtukian-Nieto, T.; Molina, F.; Popescu, L.; Rogers, A. M.; Susoy, G.; Stodel, C.; Suzuki, T.; Tamii, A.; Thomas, J. C.

In: Physical Review Letters, Vol. 112, No. 22, 222501, 03.06.2014.

Research output: Article

Orrigo, SEA, Rubio, B, Fujita, Y, Blank, B, Gelletly, W, Agramunt, J, Algora, A, Ascher, P, Bilgier, B, Cáceres, L, Cakirli, RB, Fujita, H, 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 2014, 'Observation of the β-Delayed γ-proton decay of Zn 56 and its impact on the Gamow-Teller strength evaluation', Physical Review Letters, vol. 112, no. 22, 222501. https://doi.org/10.1103/PhysRevLett.112.222501
Orrigo, S. E A ; Rubio, B. ; Fujita, Y. ; Blank, B. ; Gelletly, W. ; Agramunt, J. ; Algora, A. ; Ascher, P. ; Bilgier, B. ; Cáceres, L. ; Cakirli, R. B. ; Fujita, H. ; Ganioǧlu, E. ; Gerbaux, M. ; Giovinazzo, J. ; Grévy, S. ; Kamalou, O. ; Kozer, H. C. ; Kucuk, L. ; Kurtukian-Nieto, T. ; Molina, F. ; Popescu, L. ; Rogers, A. M. ; Susoy, G. ; Stodel, C. ; Suzuki, T. ; Tamii, A. ; Thomas, J. C. / Observation of the β-Delayed γ-proton decay of Zn 56 and its impact on the Gamow-Teller strength evaluation. In: Physical Review Letters. 2014 ; Vol. 112, No. 22.
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AU - Rubio, B.

AU - Fujita, Y.

AU - Blank, B.

AU - Gelletly, W.

AU - Agramunt, J.

AU - Algora, A.

AU - Ascher, P.

AU - Bilgier, B.

AU - Cáceres, L.

AU - Cakirli, R. B.

AU - Fujita, H.

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 - 2014/6/3

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AB - We report the observation of a very exotic decay mode at the proton drip line, the β-delayed γ-proton decay, clearly seen in the βdecay of the Tz=-2 nucleus Zn56. Three γ-proton sequences have been observed after the βdecay. Here this decay mode, already observed in the sd shell, is seen for the first time in the fp shell. Both γ and proton decays have been taken into account in the estimation of the Fermi and Gamow-Teller strengths. Evidence for fragmentation of the Fermi strength due to strong isospin mixing is found.

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