Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes : Coulomb excitation of Hg-182, Hg-184, Hg-186 and Hg-188
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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 , C , 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 , T , 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 S , Smith , J F , Srebrny , J , Stefanescu , I , Tveten , G M , Van Duppen , P , Van de Walle , J , Voulot , D , Warr , N , Wiens , A & 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 ' , European Physical Journal. A, Hadrons and Nuclei , vol. 55 , no. 8 , 130 . https://doi.org/10.1140/epja/i2019-12815-2
| Julkaisun nimi: | Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes : Coulomb excitation of Hg-182, Hg-184, Hg-186 and Hg-188 |
| Tekijä: | 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.; Wood, J. L. |
| Tekijän organisaatio: | Helsinki Institute of Physics |
| Päiväys: | 2019-08 |
| Kieli: | eng |
| Sivumäärä: | 23 |
| Kuuluu julkaisusarjaan: | European Physical Journal. A, Hadrons and Nuclei |
| ISSN: | 1434-6001 |
| DOI-tunniste: | https://doi.org/10.1140/epja/i2019-12815-2 |
| URI: | http://hdl.handle.net/10138/310362 |
| Tiivistelmä: | 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. |
| Avainsanat: |
ELECTRIC-MONOPOLE TRANSITIONS
SHAPE COEXISTENCE DEFORMED BANDS NUCLEAR CONFIGURATION DECAY LIFETIMES ISOMERISM INTRUDER MOMENTS 114 Physical sciences |
| Vertaisarvioitu: | Kyllä |
| Tekijänoikeustiedot: | cc_by |
| Pääsyrajoitteet: | openAccess |
| Rinnakkaistallennettu versio: | publishedVersion |
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