Evidence of oblate-prolate shape coexistence in the strongly-deformed nucleus 119Cs

Zheng, K.K.; Petrache, C.M.; Zhang, Z.H.; Zhao, P.W.; Wang, Y.K.; Astier, A.; Lv, B.F.; Greenlees, P.T.; Grahn, T.; Julin, R.; Juutinen, S.; Luoma, M.; Ojala, J.; Pakarinen, J.; Partanen, J.; Rahkila, P.; Ruotsalainen, P.; Sandzelius, M.; Sarén, J.; Tann, H.; Uusitalo, J.; Zimba, G.; Cederwall, B.; Aktas, Ö.; Ertoprak, A.; Zhang, W.; Guo, S.; Liu, M.L.; Kuti, I.; Nyakó, B.M.; Sohler, D.; Timár, J.; Andreoiu, C.; Doncel, M.; Joss, D.T.; Page, R.D.

doi:10.1016/j.physletb.2021.136645

dc.contributor.author	Zheng, K.K.
dc.contributor.author	Petrache, C.M.
dc.contributor.author	Zhang, Z.H.
dc.contributor.author	Zhao, P.W.
dc.contributor.author	Wang, Y.K.
dc.contributor.author	Astier, A.
dc.contributor.author	Lv, B.F.
dc.contributor.author	Greenlees, P.T.
dc.contributor.author	Grahn, T.
dc.contributor.author	Julin, R.
dc.contributor.author	Juutinen, S.
dc.contributor.author	Luoma, M.
dc.contributor.author	Ojala, J.
dc.contributor.author	Pakarinen, J.
dc.contributor.author	Partanen, J.
dc.contributor.author	Rahkila, P.
dc.contributor.author	Ruotsalainen, P.
dc.contributor.author	Sandzelius, M.
dc.contributor.author	Sarén, J.
dc.contributor.author	Tann, H.
dc.contributor.author	Uusitalo, J.
dc.contributor.author	Zimba, G.
dc.contributor.author	Cederwall, B.
dc.contributor.author	Aktas, Ö.
dc.contributor.author	Ertoprak, A.
dc.contributor.author	Zhang, W.
dc.contributor.author	Guo, S.
dc.contributor.author	Liu, M.L.
dc.contributor.author	Kuti, I.
dc.contributor.author	Nyakó, B.M.
dc.contributor.author	Sohler, D.
dc.contributor.author	Timár, J.
dc.contributor.author	Andreoiu, C.
dc.contributor.author	Doncel, M.
dc.contributor.author	Joss, D.T.
dc.contributor.author	Page, R.D.
dc.date.accessioned	2021-09-29T06:35:47Z
dc.date.available	2021-09-29T06:35:47Z
dc.date.issued	2021
dc.identifier.citation	Zheng, K.K., Petrache, C.M., Zhang, Z.H., Zhao, P.W., Wang, Y.K., Astier, A., Lv, B.F., Greenlees, P.T., Grahn, T., Julin, R., Juutinen, S., Luoma, M., Ojala, J., Pakarinen, J., Partanen, J., Rahkila, P., Ruotsalainen, P., Sandzelius, M., Sarén, J., . . . Page, R.D. (2021). Evidence of oblate-prolate shape coexistence in the strongly-deformed nucleus 119Cs. <i>Physics Letters B</i>, <i>822</i>, Article 136645. <a href="https://doi.org/10.1016/j.physletb.2021.136645" target="_blank">https://doi.org/10.1016/j.physletb.2021.136645</a>
dc.identifier.other	CONVID_101220344
dc.identifier.uri	https://jyx.jyu.fi/handle/123456789/77951
dc.description.abstract	Prolate-oblate shape coexistence close to the ground state in the strongly-deformed proton-rich A≈120 nuclei is reported for the first time. One of the four reported bands in 119Cs, built on a 11/2− state at 670 keV, consists of nearly degenerate signature partners, and has properties which unequivocally indicate the strongly-coupled πh11/2[505]11/2− configuration associated with oblate shape. Together with the decoupled πh11/2[541]3/2− band built on the 11/2− prolate state at 110 keV, for which a half-life of T1/2=55(5)μs has been measured, the new bands bring evidence of shape coexistence at low spin in the proton-rich strongly deformed A≈120 nuclei, a phenomenon predicted since long time, but not yet observed. Calculations using the particle-number conserving cranked shell model and two dimensional tilted axis cranking covariant density functional theory support and well reproduce the observed oblate and prolate coexisting low-energy states in 119Cs.	en
dc.format.mimetype	application/pdf
dc.language.iso	eng
dc.publisher	Elsevier
dc.relation.ispartofseries	Physics Letters B
dc.rights	CC BY 4.0
dc.subject.other	Nuclear reaction
dc.subject.other	58Ni(64Zn,3p)119Cs
dc.subject.other	Measured γγγ-coincidences
dc.subject.other	Angular correlations
dc.subject.other	Linear polarization
dc.subject.other	Model calculation
dc.subject.other	Oblate-prolate coexistence
dc.title	Evidence of oblate-prolate shape coexistence in the strongly-deformed nucleus 119Cs
dc.type	research article
dc.identifier.urn	URN:NBN:fi:jyu-202109295016
dc.contributor.laitos	Fysiikan laitos	fi
dc.contributor.laitos	Department of Physics	en
dc.type.uri	http://purl.org/eprint/type/JournalArticle
dc.type.coar	http://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatus	peerReviewed
dc.relation.issn	0370-2693
dc.relation.volume	822
dc.type.version	publishedVersion
dc.rights.copyright	© 2021 The Author(s). Published by Elsevier B.V.
dc.rights.accesslevel	openAccess	fi
dc.type.publication	article
dc.subject.yso	cesium
dc.subject.yso	ydinfysiikka
dc.format.content	fulltext
jyx.subject.uri	http://www.yso.fi/onto/yso/p16504
jyx.subject.uri	http://www.yso.fi/onto/yso/p14759
dc.rights.url	https://creativecommons.org/licenses/by/4.0/
dc.relation.doi	10.1016/j.physletb.2021.136645
jyx.fundinginformation	This work has been supported by the China Scholarship Council (CSC), CSC No. 201804910386. This work has been supported by the Academy of Finland under the Finnish Centre of Excellence Programme (2012-2017), by the EU 7th Framework Programme Project No. 262010 (ENSAR), by the United Kingdom Science and Technology Facilities Council; by the National Research, Development and Innovation Fund of Hungary (Project No. K128947), as well as by the European Regional Development Fund (Contract No. GINOP-2.3.3-15-2016-00034); by the Swedish Research Council under Grant No. 2019-04880; and by the National Natural Science Foundation of China (Grants No. 11505242, No. 11305220, No. U1732139, No. 11775274, and No. 11575255). C.A. is supported by the Natural Sciences and Engineering Research Council of Canada. The use of germanium detectors from the GAMMAPOOL is acknowledged. I.K. was supported by National Research, Development and Innovation Office-NKFIH, contract number PD 124717.
dc.type.okm	A1

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