Long-sought isomer turns out to be the ground state of 76Cu

Canete, L.; Giraud, S.; Kankainen, A.; Bastin, B.; Nowacki, F.; Ascher, P.; Eronen, T.; Girard Alcindor, V.; Jokinen, A.; Khanam, A.; Moore, I. D.; Nesterenko, D.; De Oliveira, F.; Penttilä, H.; Petrone, C.; Pohjalainen, I.; De Roubin, A.; Rubchenya, V.; Vilen, M.; Äystö, J.

doi:10.1016/j.physletb.2024.138663

dc.contributor.author	Canete, L.
dc.contributor.author	Giraud, S.
dc.contributor.author	Kankainen, A.
dc.contributor.author	Bastin, B.
dc.contributor.author	Nowacki, F.
dc.contributor.author	Ascher, P.
dc.contributor.author	Eronen, T.
dc.contributor.author	Girard Alcindor, V.
dc.contributor.author	Jokinen, A.
dc.contributor.author	Khanam, A.
dc.contributor.author	Moore, I. D.
dc.contributor.author	Nesterenko, D.
dc.contributor.author	De Oliveira, F.
dc.contributor.author	Penttilä, H.
dc.contributor.author	Petrone, C.
dc.contributor.author	Pohjalainen, I.
dc.contributor.author	De Roubin, A.
dc.contributor.author	Rubchenya, V.
dc.contributor.author	Vilen, M.
dc.contributor.author	Äystö, J.
dc.date.accessioned	2024-12-19T08:09:15Z
dc.date.available	2024-12-19T08:09:15Z
dc.date.issued	2024
dc.identifier.citation	Canete, L., Giraud, S., Kankainen, A., Bastin, B., Nowacki, F., Ascher, P., Eronen, T., Girard Alcindor, V., Jokinen, A., Khanam, A., Moore, I. D., Nesterenko, D., De Oliveira, F., Penttilä, H., Petrone, C., Pohjalainen, I., De Roubin, A., Rubchenya, V., Vilen, M., & Äystö, J. (2024). Long-sought isomer turns out to be the ground state of 76Cu. <i>Physics Letters B</i>, <i>853</i>, Article 138663. <a href="https://doi.org/10.1016/j.physletb.2024.138663" target="_blank">https://doi.org/10.1016/j.physletb.2024.138663</a>
dc.identifier.other	CONVID_213315777
dc.identifier.uri	https://jyx.jyu.fi/handle/123456789/99094
dc.description.abstract	Isomers close to the doubly magic nucleus 78Ni (Z = 28, N = 50) provide essential information on the shell evolution and shape coexistence far from stability. The existence of a long-lived isomeric state in 76Cu has been debated for a long time. We have performed high-precision mass measurements of 76Cu with the JYFLTRAP double Penning trap mass spectrometer at the Ion Guide Isotope Separator On-Line facility and confirm the existence of such an isomeric state with an excitation energy Ex = 64.8(25) keV. Based on the ratio of detected ground- and isomeric-state ions as a function of time, we show that the isomer is the shorter-living state previously considered as the ground state of 76Cu. The result can potentially change the conclusions made in previous works related to the spin-parity and charge radius of the 76Cu ground state. Additionally, the new 76Cu(n, γ) reaction Q-value has an impact on the astrophysical rapid neutron-capture process.	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.title	Long-sought isomer turns out to be the ground state of 76Cu
dc.type	research article
dc.identifier.urn	URN:NBN:fi:jyu-202412197905
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	853
dc.type.version	publishedVersion
dc.rights.copyright	© 2024 The Author(s). Published by Elsevier B.V. Funded by SCOAP³.
dc.rights.accesslevel	openAccess	fi
dc.type.publication	article
dc.relation.grantnumber	275389
dc.relation.grantnumber	295207
dc.relation.grantnumber	284516
dc.relation.grantnumber	312544
dc.relation.grantnumber	306980
dc.relation.grantnumber	654002
dc.relation.grantnumber	654002
dc.relation.grantnumber	771036
dc.relation.grantnumber	771036
dc.relation.projectid	info:eu-repo/grantAgreement/EC/H2020/654002/EU//
dc.relation.projectid	info:eu-repo/grantAgreement/EC/H2020/771036/EU//MAIDEN
dc.subject.yso	isotoopit
dc.subject.yso	kupari
dc.subject.yso	ydinfysiikka
dc.format.content	fulltext
jyx.subject.uri	http://www.yso.fi/onto/yso/p6387
jyx.subject.uri	http://www.yso.fi/onto/yso/p19074
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.2024.138663
dc.relation.funder	Research Council of Finland	en
dc.relation.funder	Research Council of Finland	en
dc.relation.funder	Research Council of Finland	en
dc.relation.funder	Research Council of Finland	en
dc.relation.funder	Research Council of Finland	en
dc.relation.funder	European Commission	en
dc.relation.funder	European Commission	en
dc.relation.funder	Suomen Akatemia	fi
dc.relation.funder	Suomen Akatemia	fi
dc.relation.funder	Suomen Akatemia	fi
dc.relation.funder	Suomen Akatemia	fi
dc.relation.funder	Suomen Akatemia	fi
dc.relation.funder	Euroopan komissio	fi
dc.relation.funder	Euroopan komissio	fi
jyx.fundingprogram	Academy Research Fellow, AoF	en
jyx.fundingprogram	Academy Research Fellow, AoF	en
jyx.fundingprogram	Research costs of Academy Research Fellow, AoF	en
jyx.fundingprogram	Research costs of Academy Research Fellow, AoF	en
jyx.fundingprogram	Research costs of Academy Research Fellow, AoF	en
jyx.fundingprogram	Research infrastructures, H2020	en
jyx.fundingprogram	ERC Consolidator Grant	en
jyx.fundingprogram	Akatemiatutkija, SA	fi
jyx.fundingprogram	Akatemiatutkija, SA	fi
jyx.fundingprogram	Akatemiatutkijan tutkimuskulut, SA	fi
jyx.fundingprogram	Akatemiatutkijan tutkimuskulut, SA	fi
jyx.fundingprogram	Akatemiatutkijan tutkimuskulut, SA	fi
jyx.fundingprogram	Research infrastructures, H2020	fi
jyx.fundingprogram	ERC Consolidator Grant	fi
jyx.fundinginformation	This work has been supported by the Academy of Finland under the Finnish Centre of Excellence Program (Nuclear and Accelerator Based Physics Research at JYFL 2012-2017) and by the European Unions Horizon 2020 research and innovation programme grant agreement No 654002 (ENSAR2). A.K. acknowledges the support from the Academy of Finland under grant No. 275389 and D.N. and L.C. under grants No. 284516 and 312544. T.E. acknowledges the support from the Academy of Finland under grant No. 295207 and A.R. under grant No. 306980. A.K. and L.C. acknowledge the funding from the European Union's Horizon 2020 research and innovation program under grant agreement No. 771036 (ERC CoG MAIDEN). We thank for the bilateral mobility grant from the Institut Français in Finland, the Embassy of France in Finland, the French Ministry of Higher Education and Research and the Finnish Society of Science and Letters. We are grateful for the mobility support from PICS MITICANS (Manipulation of Ions in Traps and Ion sourCes for Atomic and Nuclear Spectroscopy). S.G. thanks for the mobility grant from the EDPSIME.
dc.type.okm	A1

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Long-sought isomer turns out to be the ground state of 76Cu

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Spins and magnetic moments of 58,60,62,64Mn ground states and isomers ﻿

Observation of the 𝐽≤7/2 low-spin states in 213Fr populated in the electron capture of the 1/2− ground state of 213Ra ﻿

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Measurement and microscopic description of odd-even staggering of charge radii of exotic copper isotopes

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Observation of the 𝐽≤7/2 low-spin states in 213Fr populated in the electron capture of the 1/2− ground state of 213Ra