Clement, E., Zielinska, M., Gorgen, A., Korten, W., Peru, S., Libert, J., Goutte, H., Hilaire, S., Bastin, B., Bauer, C., Blazhev, A., Bree, N., Bruyneel, B., Butler, P. A., Butterworth, J., Delahaye, P., Dijon, A., Doherty, D. T., Ekstrom, A., Fitzpatrick, C., Fransen, C., Georgiev, G., Gernhaeuser, R., Hess, H., Iwanicki, J., Jenkins, D. G., Larsen, A. C., Ljungvall, J., Lutter, R., Marley, P., Moschner, K., Napiorkowski, P. J., Pakarinen, J., Petts, A., Reiter, P., Renstrom, T., Seidlitz, M., Siebeck, B., Siem, S., Sotty, C., Srebrny, J., Stefanescu, I., Tveten, G. M., Van de Walle, J., Vermeulen, M., Voulot, D., Warr, N., Wenander, F., Wiens, A., De Witte, H. and Wrzosek-Lipska, K. (2016). Spectroscopic Quadrupole Moments in Sr-96,Sr-98: Evidence for Shape Coexistence in Neutron-Rich Strontium Isotopes at N=60. Phys. Rev. Lett., 116 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

Neutron-rich Sr-96,Sr-98 isotopes have been investigated by safe Coulomb excitation of radioactive beams at the REX-ISOLDE facility. Reduced transition probabilities and spectroscopic quadrupole moments have been extracted from the differential Coulomb excitation cross sections. These results allow, for the first time, the drawing of definite conclusions about the shape coexistence of highly deformed prolate and spherical configurations. In particular, a very small mixing between the coexisting states is observed, contrary to other mass regions where strong mixing is present. Experimental results have been compared to beyond-mean-field calculations using the Gogny D1S interaction in a five-dimensional collective Hamiltonian formalism, which reproduce the shape change at N = 60.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Clement, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zielinska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gorgen, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Peru, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Libert, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goutte, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hilaire, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bastin, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bauer, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bree, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruyneel, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Butler, P. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Butterworth, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Delahaye, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dijon, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doherty, D. T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ekstrom, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fitzpatrick, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fransen, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Georgiev, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gernhaeuser, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Iwanicki, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jenkins, D. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Larsen, A. C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ljungvall, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lutter, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marley, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moschner, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napiorkowski, P. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pakarinen, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Petts, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Renstrom, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Seidlitz, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siebeck, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siem, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sotty, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Srebrny, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stefanescu, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tveten, G. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Van de Walle, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vermeulen, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Voulot, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wenander, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wiens, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
De Witte, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wrzosek-Lipska, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-287231
DOI: 10.1103/PhysRevLett.116.022701
Journal or Publication Title: Phys. Rev. Lett.
Volume: 116
Number: 2
Date: 2016
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1079-7114
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
GROUND-STATE PROPERTIES; MEAN-FIELD THEORY; NUCLEAR-STRUCTURE; MO ISOTOPES; COULOMB-EXCITATION; GOGNY FORCE; DEFORMATION; SR-98; ZR; CLOSUREMultiple languages
Physics, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/28723

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