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Measurement of the isolated nuclear two-photon decay in 72Ge

The nuclear two-photon or double-gamma (2⁢𝛾) decay is a second-order electromagnetic process whereby a nucleus in an excited state emits two gamma rays simultaneously. To be able to directly measure the 2⁢𝛾 decay rate in the low-energy regime below the electron-positron pair-creation threshold, we c...

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Hauptverfasser: Freire Fernández, David (VerfasserIn) , Korten, W. (VerfasserIn) , Chen, R. J. (VerfasserIn) , Litvinov, S. (VerfasserIn) , Litvinov, Yu. A. (VerfasserIn) , Sanjari, M. S. (VerfasserIn) , Weick, H. (VerfasserIn) , Akinci, F. C. (VerfasserIn) , Albers, H. M. (VerfasserIn) , Armstrong, M. (VerfasserIn) , Banerjee, A. (VerfasserIn) , Blaum, Klaus (VerfasserIn) , Brandau, C. (VerfasserIn) , Brown, B. A. (VerfasserIn) , Bruno, C. G. (VerfasserIn) , Carroll, J. J. (VerfasserIn) , Chen, X. (VerfasserIn) , Chiara, C. J. (VerfasserIn) , Cortes, M. L. (VerfasserIn) , Dellmann, S. F. (VerfasserIn) , Dillmann, I. (VerfasserIn) , Dmytriiev, D. (VerfasserIn) , Forstner, O. (VerfasserIn) , Geissel, H. (VerfasserIn) , Glorius, J. (VerfasserIn) , Görgen, A. (VerfasserIn) , Górska, M. (VerfasserIn) , Griffin, C. J. (VerfasserIn) , Gumberidze, A. (VerfasserIn) , Harayama, S. (VerfasserIn) , Hess, R. (VerfasserIn) , Hubbard, N. (VerfasserIn) , Ide, K. E. (VerfasserIn) , John, Ph. R. (VerfasserIn) , Joseph, R. (VerfasserIn) , Jurado, B. (VerfasserIn) , Kalaydjieva, D. (VerfasserIn) , Kanika (VerfasserIn) , Kondev, F. G. (VerfasserIn) , Koseoglou, P. (VerfasserIn) , Kosir, G. (VerfasserIn) , Kozhuharov, Ch. (VerfasserIn) , Kulikov, Ivan (VerfasserIn) , Leckenby, G. (VerfasserIn) , Lorenz, B. (VerfasserIn) , Marsh, J. (VerfasserIn) , Mistry, A. (VerfasserIn) , Ozawa, A. (VerfasserIn) , Pietralla, N. (VerfasserIn) , Podolyák, Zs. (VerfasserIn) , Polettini, M. (VerfasserIn) , Sguazzin, M. (VerfasserIn) , Sidhu, R. S. (VerfasserIn) , Steck, M. (VerfasserIn) , Stöhlker, Th. (VerfasserIn) , Swartz, J. A. (VerfasserIn) , Vesic, J. (VerfasserIn) , Walker, P. M. (VerfasserIn) , Yamaguchi, T. (VerfasserIn) , Zidarova, R. (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 12 July 2024
In: Physical review letters
Year: 2024, Jahrgang: 133, Heft: 2, Pages: 022502-1-022502-7
ISSN:1079-7114
DOI:10.1103/PhysRevLett.133.022502
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevLett.133.022502
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.133.022502
Volltext
Verfasserangaben:D. Freire-Fernández, W. Korten, R.J. Chen, S. Litvinov, Yu.A. Litvinov, M.S. Sanjari, H. Weick, F.C. Akinci, H.M. Albers, M. Armstrong, A. Banerjee, K. Blaum, C. Brandau, B.A. Brown, C.G. Bruno, J.J. Carroll, X. Chen, C.J. Chiara, M.L. Cortes, S.F. Dellmann, I. Dillmann, D. Dmytriiev, O. Forstner, H. Geissel, J. Glorius, A. Görgen, M. Górska, C.J. Griffin, A. Gumberidze, S. Harayama, R. Hess, N. Hubbard, K.E. Ide, Ph.R. John, R. Joseph, B. Jurado, D. Kalaydjieva, Kanika, F.G. Kondev, P. Koseoglou, G. Kosir, Ch. Kozhuharov, I. Kulikov, G. Leckenby, B. Lorenz, J. Marsh, A. Mistry, A. Ozawa, N. Pietralla, Zs. Podolyák, M. Polettini, M. Sguazzin, R.S. Sidhu, M. Steck, Th. Stöhlker, J.A. Swartz, J. Vesic, P.M. Walker, T. Yamaguchi, and R. Zidarova

MARC

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246 3 3 |a Measurement of the isolated nuclear two-photon decay in 72 Ge 
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520 |a The nuclear two-photon or double-gamma (2⁢) decay is a second-order electromagnetic process whereby a nucleus in an excited state emits two gamma rays simultaneously. To be able to directly measure the 2⁢ decay rate in the low-energy regime below the electron-positron pair-creation threshold, we combined the isochronous mode of a storage ring with Schottky resonant cavities. The newly developed technique can be applied to isomers with excitation energies down to ∼100 keV and half-lives as short as ∼10 ms. The half-life for the 2⁢ decay of the first-excited 0+ state in bare 72Ge ions was determined to be 23.9(6) ms, which strongly deviates from expectations. 
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700 1 |a Chen, R. J.  |e VerfasserIn  |4 aut 
700 1 |a Litvinov, S.  |e VerfasserIn  |4 aut 
700 1 |a Litvinov, Yu. A.  |e VerfasserIn  |4 aut 
700 1 |a Sanjari, M. S.  |e VerfasserIn  |4 aut 
700 1 |a Weick, H.  |e VerfasserIn  |4 aut 
700 1 |a Akinci, F. C.  |e VerfasserIn  |4 aut 
700 1 |a Albers, H. M.  |e VerfasserIn  |4 aut 
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700 1 |a Carroll, J. J.  |e VerfasserIn  |4 aut 
700 1 |a Chen, X.  |e VerfasserIn  |4 aut 
700 1 |a Chiara, C. J.  |e VerfasserIn  |4 aut 
700 1 |a Cortes, M. L.  |e VerfasserIn  |4 aut 
700 1 |a Dellmann, S. F.  |e VerfasserIn  |4 aut 
700 1 |a Dillmann, I.  |e VerfasserIn  |4 aut 
700 1 |a Dmytriiev, D.  |e VerfasserIn  |4 aut 
700 1 |a Forstner, O.  |e VerfasserIn  |4 aut 
700 1 |a Geissel, H.  |e VerfasserIn  |4 aut 
700 1 |a Glorius, J.  |e VerfasserIn  |4 aut 
700 1 |a Görgen, A.  |e VerfasserIn  |4 aut 
700 1 |a Górska, M.  |e VerfasserIn  |4 aut 
700 1 |a Griffin, C. J.  |e VerfasserIn  |4 aut 
700 1 |a Gumberidze, A.  |e VerfasserIn  |4 aut 
700 1 |a Harayama, S.  |e VerfasserIn  |4 aut 
700 1 |a Hess, R.  |e VerfasserIn  |4 aut 
700 1 |a Hubbard, N.  |e VerfasserIn  |4 aut 
700 1 |a Ide, K. E.  |e VerfasserIn  |4 aut 
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700 1 |a Koseoglou, P.  |e VerfasserIn  |4 aut 
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700 1 |a Marsh, J.  |e VerfasserIn  |4 aut 
700 1 |a Mistry, A.  |e VerfasserIn  |4 aut 
700 1 |a Ozawa, A.  |e VerfasserIn  |4 aut 
700 1 |a Pietralla, N.  |e VerfasserIn  |4 aut 
700 1 |a Podolyák, Zs.  |e VerfasserIn  |4 aut 
700 1 |a Polettini, M.  |e VerfasserIn  |4 aut 
700 1 |a Sguazzin, M.  |e VerfasserIn  |4 aut 
700 1 |a Sidhu, R. S.  |e VerfasserIn  |4 aut 
700 1 |a Steck, M.  |e VerfasserIn  |4 aut 
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