beta decay of Mn-61 to levels in Fe-61
2013 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 88, no 1, 014307- p.Article in journal (Refereed) Published
A detailed beta-decay study of Mn-61 is presented, yielding extended information on the level structure of Fe-61. Pure beams were obtained at ISOLDE, CERN, after selective laser ionization and mass separation of fission products from the bombardment of a UCx target by 1.4-GeV protons. The beta and gamma information was detected by two MiniBall clusters and three Delta E plastic scintillators. The new Mn-61 decay scheme reveals 48 gamma transitions, distributed over 20 excited states. A comparison to the decay scheme of Mn-59 and excited states in Fe-59 is made. Shell-model calculations with two different interactions are performed in order to compare the nuclear structure of the two neighboring odd-A iron isotopes. Tentative spin and parities of several excited states in Fe-61 are assigned on the basis of beta-decay feeding patterns in both Fe-59,Fe-61 and of results from the theoretical shell-model calculations.
Place, publisher, year, edition, pages
American Physical Society , 2013. Vol. 88, no 1, 014307- p.
IdentifiersURN: urn:nbn:se:kth:diva-125558DOI: 10.1103/PhysRevC.88.014307ISI: 000321736800002ScopusID: 2-s2.0-84881177318OAI: oai:DiVA.org:kth-125558DiVA: diva2:640041
FunderEU, European Research Council, RII3-CT-2004-506065
QC 201308122013-08-122013-08-092013-08-12Bibliographically approved