Coulomb excitation of neutron-rich Zn isotopes: First observation of the 21+ state in Zn80

J. Van De Walle; F. Aksouh; F. Ames; T. Behrens; V. Bildstein; A. Blazhev; J. Cederkäll; E. Clément; T. E. Cocolios; T. Davinson; P. Delahaye; J. Eberth; A. Ekström; D. V. Fedorov; V. N. Fedosseev; L. M. Fraile; S. Franchoo; R. Gernhauser; G. Georgiev; D. Habs; K. Heyde; G. Huber; M. Huyse; F. Ibrahim; O. Ivanov; J. Iwanicki; J. Jolie; O. Kester; U. Köster; T. Kröll; R. Krücken; M. Lauer; A. F. Lisetskiy; R. Lutter; B. A. Marsh; P. Mayet; O. Niedermaier; T. Nilsson; M. Pantea; O. Perru; R. Raabe; P. Reiter; M. Sawicka; H. Scheit; G. Schrieder; D. Schwalm; M. D. Seliverstov; T. Sieber; G. Sletten; N. Smirnova; M. Stanoiu; I. Stefanescu; J. C. Thomas; J. J. Valiente-Dobón; P. Van Duppen; D. Verney; D. Voulot; N. Warr; D. Weisshaar; F. Wenander; B. H. Wolf; M. Zielińska

doi:10.1103/PhysRevLett.99.142501

Coulomb excitation of neutron-rich Zn isotopes: First observation of the 21+ state in Zn80

J. Van De Walle, F. Aksouh, F. Ames, T. Behrens, V. Bildstein, A. Blazhev, J. Cederkäll, E. Clément, T. E. Cocolios, T. Davinson, P. Delahaye, J. Eberth, A. Ekström, D. V. Fedorov, V. N. Fedosseev, L. M. Fraile, S. Franchoo, R. Gernhauser, G. Georgiev, D. HabsK. Heyde, G. Huber, M. Huyse, F. Ibrahim, O. Ivanov, J. Iwanicki, J. Jolie, O. Kester, U. Köster, T. Kröll, R. Krücken, M. Lauer, A. F. Lisetskiy, R. Lutter, B. A. Marsh, P. Mayet, O. Niedermaier, T. Nilsson, M. Pantea, O. Perru, R. Raabe, P. Reiter, M. Sawicka, H. Scheit, G. Schrieder, D. Schwalm, M. D. Seliverstov, T. Sieber, G. Sletten, N. Smirnova, M. Stanoiu, I. Stefanescu, J. C. Thomas, J. J. Valiente-Dobón, P. Van Duppen, D. Verney, D. Voulot, N. Warr, D. Weisshaar, F. Wenander, B. H. Wolf, M. Zielińska

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Abstract

Neutron-rich, radioactive Zn isotopes were investigated at the Radioactive Ion Beam facility REX-ISOLDE (CERN) using low-energy Coulomb excitation. The energy of the 21+ state in Zn78 could be firmly established and for the first time the 2+→01+ transition in Zn80 was observed at 1492(1) keV. B(E2,21+→01+) values were extracted for Zn74,76,78,80 and compared to large scale shell model calculations. With only two protons outside the Z=28 proton core, Zn80 is the lightest N=50 isotone for which spectroscopic information has been obtained to date. Two sets of advanced shell model calculations reproduce the observed B(E2) systematics. The results for N=50 isotones indicate a good N=50 shell closure and a strong Z=28 proton core polarization. The new results serve as benchmarks to establish theoretical models, predicting the nuclear properties of the doubly magic nucleus Ni78. © 2007 The American Physical Society.

Original language	English
Article number	142501
Journal	Physical Review Letters
Volume	99
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.99.142501
Publication status	Published - 2 Oct 2007

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Van De Walle, J., Aksouh, F., Ames, F., Behrens, T., Bildstein, V., Blazhev, A., Cederkäll, J., Clément, E., Cocolios, T. E., Davinson, T., Delahaye, P., Eberth, J., Ekström, A., Fedorov, D. V., Fedosseev, V. N., Fraile, L. M., Franchoo, S., Gernhauser, R., Georgiev, G., ... Zielińska, M. (2007). Coulomb excitation of neutron-rich Zn isotopes: First observation of the 21+ state in Zn80. Physical Review Letters, 99(14), Article 142501. https://doi.org/10.1103/PhysRevLett.99.142501

@article{53b4d584787545898c50a12748249cf1,

title = "Coulomb excitation of neutron-rich Zn isotopes: First observation of the 21+ state in Zn80",

abstract = "Neutron-rich, radioactive Zn isotopes were investigated at the Radioactive Ion Beam facility REX-ISOLDE (CERN) using low-energy Coulomb excitation. The energy of the 21+ state in Zn78 could be firmly established and for the first time the 2+→01+ transition in Zn80 was observed at 1492(1) keV. B(E2,21+→01+) values were extracted for Zn74,76,78,80 and compared to large scale shell model calculations. With only two protons outside the Z=28 proton core, Zn80 is the lightest N=50 isotone for which spectroscopic information has been obtained to date. Two sets of advanced shell model calculations reproduce the observed B(E2) systematics. The results for N=50 isotones indicate a good N=50 shell closure and a strong Z=28 proton core polarization. The new results serve as benchmarks to establish theoretical models, predicting the nuclear properties of the doubly magic nucleus Ni78. {\textcopyright} 2007 The American Physical Society.",

author = "{Van De Walle}, J. and F. Aksouh and F. Ames and T. Behrens and V. Bildstein and A. Blazhev and J. Cederk{\"a}ll and E. Cl{\'e}ment and Cocolios, {T. E.} and T. Davinson and P. Delahaye and J. Eberth and A. Ekstr{\"o}m and Fedorov, {D. V.} and Fedosseev, {V. N.} and Fraile, {L. M.} and S. Franchoo and R. Gernhauser and G. Georgiev and D. Habs and K. Heyde and G. Huber and M. Huyse and F. Ibrahim and O. Ivanov and J. Iwanicki and J. Jolie and O. Kester and U. K{\"o}ster and T. Kr{\"o}ll and R. Kr{\"u}cken and M. Lauer and Lisetskiy, {A. F.} and R. Lutter and Marsh, {B. A.} and P. Mayet and O. Niedermaier and T. Nilsson and M. Pantea and O. Perru and R. Raabe and P. Reiter and M. Sawicka and H. Scheit and G. Schrieder and D. Schwalm and Seliverstov, {M. D.} and T. Sieber and G. Sletten and N. Smirnova and M. Stanoiu and I. Stefanescu and Thomas, {J. C.} and Valiente-Dob{\'o}n, {J. J.} and {Van Duppen}, P. and D. Verney and D. Voulot and N. Warr and D. Weisshaar and F. Wenander and Wolf, {B. H.} and M. Zieli{\'n}ska",

year = "2007",

month = oct,

day = "2",

doi = "10.1103/PhysRevLett.99.142501",

language = "English",

volume = "99",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "14",

}

Van De Walle, J, Aksouh, F, Ames, F, Behrens, T, Bildstein, V, Blazhev, A, Cederkäll, J, Clément, E, Cocolios, TE, Davinson, T, Delahaye, P, Eberth, J, Ekström, A, Fedorov, DV, Fedosseev, VN, Fraile, LM, Franchoo, S, Gernhauser, R, Georgiev, G, Habs, D, Heyde, K, Huber, G, Huyse, M, Ibrahim, F, Ivanov, O, Iwanicki, J, Jolie, J, Kester, O, Köster, U, Kröll, T, Krücken, R, Lauer, M, Lisetskiy, AF, Lutter, R, Marsh, BA, Mayet, P, Niedermaier, O, Nilsson, T, Pantea, M, Perru, O, Raabe, R, Reiter, P, Sawicka, M, Scheit, H, Schrieder, G, Schwalm, D, Seliverstov, MD, Sieber, T, Sletten, G, Smirnova, N, Stanoiu, M, Stefanescu, I, Thomas, JC, Valiente-Dobón, JJ, Van Duppen, P, Verney, D, Voulot, D, Warr, N, Weisshaar, D, Wenander, F, Wolf, BH & Zielińska, M 2007, 'Coulomb excitation of neutron-rich Zn isotopes: First observation of the 21+ state in Zn80', Physical Review Letters, vol. 99, no. 14, 142501. https://doi.org/10.1103/PhysRevLett.99.142501

TY - JOUR

T1 - Coulomb excitation of neutron-rich Zn isotopes: First observation of the 21+ state in Zn80

AU - Van De Walle, J.

AU - Aksouh, F.

AU - Ames, F.

AU - Behrens, T.

AU - Bildstein, V.

AU - Blazhev, A.

AU - Cederkäll, J.

AU - Clément, E.

AU - Cocolios, T. E.

AU - Davinson, T.

AU - Delahaye, P.

AU - Eberth, J.

AU - Ekström, A.

AU - Fedorov, D. V.

AU - Fedosseev, V. N.

AU - Fraile, L. M.

AU - Franchoo, S.

AU - Gernhauser, R.

AU - Georgiev, G.

AU - Habs, D.

AU - Heyde, K.

AU - Huber, G.

AU - Huyse, M.

AU - Ibrahim, F.

AU - Ivanov, O.

AU - Iwanicki, J.

AU - Jolie, J.

AU - Kester, O.

AU - Köster, U.

AU - Kröll, T.

AU - Krücken, R.

AU - Lauer, M.

AU - Lisetskiy, A. F.

AU - Lutter, R.

AU - Marsh, B. A.

AU - Mayet, P.

AU - Niedermaier, O.

AU - Nilsson, T.

AU - Pantea, M.

AU - Perru, O.

AU - Raabe, R.

AU - Reiter, P.

AU - Sawicka, M.

AU - Scheit, H.

AU - Schrieder, G.

AU - Schwalm, D.

AU - Seliverstov, M. D.

AU - Sieber, T.

AU - Sletten, G.

AU - Smirnova, N.

AU - Stanoiu, M.

AU - Stefanescu, I.

AU - Thomas, J. C.

AU - Valiente-Dobón, J. J.

AU - Van Duppen, P.

AU - Verney, D.

AU - Voulot, D.

AU - Warr, N.

AU - Weisshaar, D.

AU - Wenander, F.

AU - Wolf, B. H.

AU - Zielińska, M.

PY - 2007/10/2

Y1 - 2007/10/2

N2 - Neutron-rich, radioactive Zn isotopes were investigated at the Radioactive Ion Beam facility REX-ISOLDE (CERN) using low-energy Coulomb excitation. The energy of the 21+ state in Zn78 could be firmly established and for the first time the 2+→01+ transition in Zn80 was observed at 1492(1) keV. B(E2,21+→01+) values were extracted for Zn74,76,78,80 and compared to large scale shell model calculations. With only two protons outside the Z=28 proton core, Zn80 is the lightest N=50 isotone for which spectroscopic information has been obtained to date. Two sets of advanced shell model calculations reproduce the observed B(E2) systematics. The results for N=50 isotones indicate a good N=50 shell closure and a strong Z=28 proton core polarization. The new results serve as benchmarks to establish theoretical models, predicting the nuclear properties of the doubly magic nucleus Ni78. © 2007 The American Physical Society.

AB - Neutron-rich, radioactive Zn isotopes were investigated at the Radioactive Ion Beam facility REX-ISOLDE (CERN) using low-energy Coulomb excitation. The energy of the 21+ state in Zn78 could be firmly established and for the first time the 2+→01+ transition in Zn80 was observed at 1492(1) keV. B(E2,21+→01+) values were extracted for Zn74,76,78,80 and compared to large scale shell model calculations. With only two protons outside the Z=28 proton core, Zn80 is the lightest N=50 isotone for which spectroscopic information has been obtained to date. Two sets of advanced shell model calculations reproduce the observed B(E2) systematics. The results for N=50 isotones indicate a good N=50 shell closure and a strong Z=28 proton core polarization. The new results serve as benchmarks to establish theoretical models, predicting the nuclear properties of the doubly magic nucleus Ni78. © 2007 The American Physical Society.

U2 - 10.1103/PhysRevLett.99.142501

DO - 10.1103/PhysRevLett.99.142501

M3 - Article

SN - 0031-9007

VL - 99

JO - Physical Review Letters

JF - Physical Review Letters

IS - 14

M1 - 142501

ER -

Coulomb excitation of neutron-rich Zn isotopes: First observation of the 21+ state in Zn80

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