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Probing structural changes in the very neutron-deficient Os isotopes with recoil-decay tagging
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Physics.ORCID iD: 0000-0003-1996-0805
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2005 (English)In: Journal of Physics G: Nuclear and Particle Physics, ISSN 0954-3899, E-ISSN 1361-6471, Vol. 31, no 10, S1593-S1598 p.Article in journal (Refereed) Published
Abstract [en]

In recent years, the exploitation of the iecoil-decay tagging (RDT) technique with,large arrays of germanium detectors has revealed much information about the structure of heavy nuclei approaching the proton drip line. The yrast bands of the N <= 93 osmium isotopes have been identified in a campaign of tagging experiments using various spectrometer arrays coupled to the RITU gas-filled separator based at the University of Jyvaskyla. Trends in the yrast state excitation energies have indicated a transition from gamma-soft triaxial to near-spherical shapes with decreasing neutron number. Recent experimental results for Os-162 obtained with the JUROGAM and GREAT spectrometers also indicate the importance of configurations involving the h(9/2) neutron states as the N = Z 82 shell gaps are approached.

Place, publisher, year, edition, pages
2005. Vol. 31, no 10, S1593-S1598 p.
Keyword [en]
shape coexistence, identification, spectroscopy, spectrometer, detectors, nuclei, os-172, states, ge
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-15117DOI: 10.1088/0954-3899/31/10/039ISI: 000232575600041ScopusID: 2-s2.0-25444515166OAI: diva2:333158
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2010-08-20Bibliographically approved

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Bäck, TorbjörnCederwall, BoHadinia, BaharakLagergren, KarinWyss, Ramon
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