Wrzosek-Lipska, K., Rezynkina, K., Bree, N., Zielinska, M., Gaffney, L. P., Petts, A., Andreyev, A., Bastin, B., Bender, M., Blazhev, A., Bruyneel, B., Butler, P. A., Carpenter, M. P., Cederkall, J., Clement, E., Cocolios, T. E., Deacon, A. N., Diriken, J., Ekstrom, A., Fitzpatrick, C., Fraile, L. M., Fransen, Ch., Freeman, S. J., Garcia-Ramos, J. E., Geibel, K., Gernhauser, R., Grahn, T., Guttormsen, M., Hadinia, B., Hadynska-Klek, K., Hass, M., Heenen, P. -H., Herzberg, R. -D., Hess, H., Heyde, K., Huyse, M., Ivanov, O., Jenkins, D. G., Julin, R., Kesteloot, N., Kroell, Th., Kruecken, R., Larsen, A. C., Lutter, R., Marley, P., Napiorkowski, P. J., Orlandi, R., Page, R. D., Pakarinen, J., Patronis, N., Peura, P. J., Piselli, E., Prochniak, L., Rahkila, P., Rapisarda, E., Reiter, P., Robinson, A. P., Scheck, M., Siem, S., Chakkal, K. Singh, Smith, J. F., Srebrny, J., Stefanescu, I., Tveten, G. M., Van Duppen, P., Van de Walle, J., Voulot, D., Warr, N., Wiens, A. and Wood, J. L. (2019). Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of Hg-182, Hg-184, Hg-186 and Hg-188. Eur. Phys. J. A, 55 (8). NEW YORK: SPRINGER. ISSN 1434-601X

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Abstract

The neutron-deficient mercury isotopes serve as a classical example of shape coexistence, whereby at low energy near-degenerate nuclear states characterized by different shapes appear. The electromagnetic structure of even-mass 182-188 Hg isotopes was studied using safe-energy Coulomb excitation of neutron-deficient mercury beams delivered by the REX-ISOLDE facility at CERN. The population of 0 + 1,2, 2(1,2)(+) and 4(1)(+) states was observed in all nuclei under study. Reduced E2 matrix elements coupling populated yrast and non-yrast states were extracted, including their relative signs. These are a sensitive probe of shape coexistence and may be used to validate nuclear models. The experimental results are discussed in terms of mixing of two different configurations and are compared with three different model calculations: the Beyond Mean Field model, the Interacting Boson Model with configuration mixing and the General Bohr Hamiltonian. Partial agreement with experiment was observed, hinting to missing ingredients in the theoretical descriptions.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Wrzosek-Lipska, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rezynkina, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bree, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zielinska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gaffney, L. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Petts, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Andreyev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bastin, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bender, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruyneel, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Butler, P. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Carpenter, M. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cederkall, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Clement, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cocolios, T. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Deacon, A. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Diriken, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ekstrom, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fitzpatrick, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fraile, L. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fransen, Ch.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Freeman, S. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Garcia-Ramos, J. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Geibel, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gernhauser, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grahn, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Guttormsen, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hadinia, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hadynska-Klek, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hass, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Heenen, P. -H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Herzberg, R. -D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Heyde, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Huyse, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ivanov, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jenkins, D. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Julin, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kesteloot, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kroell, Th.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kruecken, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Larsen, A. C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lutter, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marley, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napiorkowski, P. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Orlandi, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Page, R. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pakarinen, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Patronis, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Peura, P. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Piselli, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Prochniak, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rahkila, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rapisarda, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Robinson, A. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scheck, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siem, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chakkal, K. SinghUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Smith, J. F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Srebrny, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stefanescu, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tveten, G. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Van Duppen, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Van de Walle, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Voulot, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wiens, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wood, J. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-145400
DOI: 10.1140/epja/i2019-12815-2
Journal or Publication Title: Eur. Phys. J. A
Volume: 55
Number: 8
Date: 2019
Publisher: SPRINGER
Place of Publication: NEW YORK
ISSN: 1434-601X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
ELECTRIC-MONOPOLE TRANSITIONS; SHAPE COEXISTENCE; DEFORMED BANDS; NUCLEAR; CONFIGURATION; DECAY; LIFETIMES; ISOMERISM; INTRUDER; MOMENTSMultiple languages
Physics, Nuclear; Physics, Particles & FieldsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/14540

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