Long-lived K isomer and enhanced γ vibration in the neutron-rich nucleus ¹⁷²Dy: Collectivity beyond double midshell

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dc.contributor.authorWatanabe, H.
dc.contributor.authorZhang, G.X.
dc.contributor.authorYoshida, K.
dc.contributor.authorWalker, P.M.
dc.contributor.authorLiu, J.J.
dc.contributor.authorWu, J.
dc.contributor.authorRegan, P.H.
dc.contributor.authorSöderström, P.-A.
dc.contributor.authorKanaoka, H.
dc.contributor.authorKorkulu, Z.
dc.contributor.authorLee, P.S.
dc.contributor.authorNishimura, S.
dc.contributor.authorYagi, A.
dc.contributor.authorAhn, D.S.
dc.contributor.authorAlharbi, T.
dc.contributor.authorBaba, H.
dc.contributor.authorBrowne, F.
dc.contributor.authorBruce, A M
dc.contributor.authorCarroll, R.J.
dc.contributor.authorChae, K.Y.
dc.contributor.authorDombradi, Zs.
dc.contributor.authorDoornenbal, P.
dc.contributor.authorEstrade, A.
dc.contributor.authorFukuda, N.
dc.contributor.authorGriffin, C.
dc.contributor.authorIdeguchi, E.
dc.contributor.authorInabe, N.
dc.contributor.authorIsobe, T.
dc.contributor.authorKanaya, S.
dc.contributor.authorKojouharov, I.
dc.contributor.authorKondev, F.G.
dc.contributor.authorKubo, T.
dc.contributor.authorKubono, S.
dc.contributor.authorKurz, N.
dc.contributor.authorKuti, I.
dc.contributor.authorLalkovski, S.
dc.contributor.authorLane, G.J.
dc.contributor.authorLee, C.S.
dc.contributor.authorLee, E.J.
dc.contributor.authorLorusso, G.
dc.contributor.authorLotay, G.
dc.contributor.authorMoon, C.-B.
dc.contributor.authorNishizuka, I.
dc.contributor.authorNita, C.R.
dc.contributor.authorOdahara, A.
dc.contributor.authorPatel, Z.
dc.contributor.authorPhong, V.H.
dc.contributor.authorPodolyák, Zs.
dc.contributor.authorRoberts, O.J.
dc.contributor.authorSakurai, H.
dc.contributor.authorSchaffner, H.
dc.contributor.authorShand, C.M.
dc.contributor.authorShimizu, Y.
dc.contributor.authorSumikama, T.
dc.contributor.authorSuzuki, H.
dc.contributor.authorTakeda, H.
dc.contributor.authorTerashima, S.
dc.contributor.authorVajta, Zs.
dc.contributor.authorValiente-Dóbon, J.J.
dc.contributor.authorXu, Z.Y.
dc.date.accessioned2016-11-08T00:37:34Z
dc.date.available2016-11-08T00:37:34Z
dc.date.issued2016-08-31
dc.date.updated2016-11-07T03:12:11Z
dc.description.abstractThe level structure of 172 Dy has been investigated for the first time by means of decay spectroscopy following in-flight fission of a 238 U beam. A long-lived isomeric state with T1/2=0.71(5) s and Kπ=8− has been identified at 1278 keV, which decays to the ground-state and γ -vibrational bands through hindered electromagnetic transitions, as well as to the daughter nucleus 172 Ho via allowed β decays. The robust nature of the Kπ=8− isomer and the ground-state rotational band reveals an axially-symmetric structure for this nucleus. Meanwhile, the γ -vibrational levels have been identified at unusually low excitation energy compared to the neighboring well-deformed nuclei, indicating the significance of the microscopic effect on the non-axial collectivity in this doubly mid-shell region. The underlying mechanism of enhanced γ vibration is discussed in comparison with the deformed Quasiparticle Random-Phase Approximation based on a Skyrme energy-density functional.en_AU
dc.description.sponsorshipThis work was supported by JSPS KAKENHI Grant No. 24740188, 25247045, and 25287065, STFC (UK authors) and the UK National Measurement Office (PHR), the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under Contract No. DE-AC02-06CH11357 (FGK), NRF Korea Grants No. 2009-0093817 and 2013R1A1A2063017 (CSL), 2014S1A2A2028636 and 2016K1A3A7A09005579 (KYC), and Science Foundation Ireland under Grant No. 12/IP/1288 (OJR). The numerical calculations were performed on SR16000 at YITP, Kyoto University, and on COMA (PACS-IX) at CCS, University of Tsukuba.en_AU
dc.identifier16532
dc.identifier.issn0370-2693en_AU
dc.identifier.urihttp://hdl.handle.net/1885/110174
dc.publisherElsevieren_AU
dc.rights© 2016 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.en_AU
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.sourcePhysics letters Ben_AU
dc.source.urihttp://repo.scoap3.org/record/16532/files/main.pdfen_AU
dc.subject¹⁷²Dyen_AU
dc.subjectK isomeren_AU
dc.subjectDecay spectroscopyen_AU
dc.subjectAxial symmetryen_AU
dc.subjectγ vibrationen_AU
dc.titleLong-lived K isomer and enhanced γ vibration in the neutron-rich nucleus ¹⁷²Dy: Collectivity beyond double midshellen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.lastpage646en_AU
local.bibliographicCitation.startpage641en_AU
local.contributor.affiliationWatanabe, H., School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, Chinaen_AU
local.contributor.affiliationZhang, G.X., School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, Chinaen_AU
local.contributor.affiliationYoshida, K., Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japanen_AU
local.contributor.affiliationWalker, P.M., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationLiu, J.J., Department of Physics, the University of Hong Kong, Pokfulam Road, Hong Kongen_AU
local.contributor.affiliationWu, J., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationRegan, P.H., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationSöderström, P.-A., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationKanaoka, H., Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka, Toyonaka, 560-0043, Japanen_AU
local.contributor.affiliationKorkulu, Z., MTA Atomki, P.O. Box 51, Debrecen, H-4001, Hungaryen_AU
local.contributor.affiliationLee, P.S., Department of Physics, Chung-Ang University, Seoul, 156-756, Republic of Koreaen_AU
local.contributor.affiliationNishimura, S., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationYagi, A., Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka, Toyonaka, 560-0043, Japanen_AU
local.contributor.affiliationAhn, D.S., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationAlharbi, T., Department of Physics, College of Science in Zulfi, Almajmaah University, P.O. Box 1712, 11932, Saudi Arabiaen_AU
local.contributor.affiliationBaba, H., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationBrowne, F., School of Computing Engineering and Mathematics, University of Brighton, Brighton, BN2 4GJ, United Kingdomen_AU
local.contributor.affiliationBruce, A.M., School of Computing Engineering and Mathematics, University of Brighton, Brighton, BN2 4GJ, United Kingdomen_AU
local.contributor.affiliationCarroll, R.J., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationChae, K.Y., Department of Physics, Sungkyunkwan University, Suwon, 440-746, Republic of Koreaen_AU
local.contributor.affiliationDombradi, Zs., MTA Atomki, P.O. Box 51, Debrecen, H-4001, Hungaryen_AU
local.contributor.affiliationDoornenbal, P., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationEstrade, A., School of Physics and Astronomy, University of Edinburgh, Edinburgh, EH9 3JZ, United Kingdomen_AU
local.contributor.affiliationFukuda, N., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationGriffin, C., School of Physics and Astronomy, University of Edinburgh, Edinburgh, EH9 3JZ, United Kingdomen_AU
local.contributor.affiliationIdeguchi, E., Research Center for Nuclear Physics (RCNP), Osaka University, Osaka, Ibaraki, 567-0047, Japanen_AU
local.contributor.affiliationInabe, N., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationIsobe, T., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationKanaya, S., Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka, Toyonaka, 560-0043, Japanen_AU
local.contributor.affiliationKojouharov, I., GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, 64291, Germanyen_AU
local.contributor.affiliationKondev, F.G., Nuclear Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USAen_AU
local.contributor.affiliationKubo, T., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationKubono, S., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationKurz, N., GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, 64291, Germanyen_AU
local.contributor.affiliationKuti, I., MTA Atomki, P.O. Box 51, Debrecen, H-4001, Hungaryen_AU
local.contributor.affiliationLalkovski, S., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationLane, G.J., Department of Nuclear Physics, R.S.P.E., Australian National University, Canberra, A.C.T, 0200, Australiaen_AU
local.contributor.affiliationLee, C.S., Department of Physics, Chung-Ang University, Seoul, 156-756, Republic of Koreaen_AU
local.contributor.affiliationLee, E.J., Department of Physics, Sungkyunkwan University, Suwon, 440-746, Republic of Koreaen_AU
local.contributor.affiliationLorusso, G., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationLotay, G., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationMoon, C.-B., Department of Display Engineering, Hoseo University, Chung-Nam, 336-795, Republic of Koreaen_AU
local.contributor.affiliationNishizuka, I., Department of Physics, Tohoku University, Aoba, Sendai, Miyagi, 980-8578, Japanen_AU
local.contributor.affiliationNita, C.R., School of Computing Engineering and Mathematics, University of Brighton, Brighton, BN2 4GJ, United Kingdomen_AU
local.contributor.affiliationOdahara, A., Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka, Toyonaka, 560-0043, Japanen_AU
local.contributor.affiliationPatel, Z., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationPhong, V.H., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationPodolyák, Zs., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationRoberts, O.J., School of Physics, University College Dublin, Dublin 4, Belfield, Irelanden_AU
local.contributor.affiliationSakurai, H., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationSchaffner, H., GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, 64291, Germanyen_AU
local.contributor.affiliationShand, C.M., Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdomen_AU
local.contributor.affiliationShimizu, Y., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationSumikama, T., Department of Physics, Tohoku University, Aoba, Sendai, Miyagi, 980-8578, Japanen_AU
local.contributor.affiliationSuzuki, H., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationTakeda, H., RIKEN Nishina Center, 2-1 Hirosawa, Saitama, Wako, 351-0198, Japanen_AU
local.contributor.affiliationTerashima, S., School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, Chinaen_AU
local.contributor.affiliationVajta, Zs., MTA Atomki, P.O. Box 51, Debrecen, H-4001, Hungaryen_AU
local.contributor.affiliationValiente-Dóbon, J.J., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, 35020, Italyen_AU
local.contributor.affiliationXu, Z.Y., Department of Physics, the University of Hong Kong, Pokfulam Road, Hong Kongen_AU
local.contributor.authoruidu4019877en_AU
local.identifier.doi10.1016/j.physletb.2016.07.057en_AU
local.publisher.urlhttp://www.elsevier.com/en_AU
local.type.statusPublished Versionen_AU

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