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Spectroscopy of the neutron-deficient N=50 nucleus Rh-95
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2014 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 89, no 4, 044310- p.Article in journal (Refereed) Published
Abstract [en]

The neutron-deficient semimagic (neutron number N = 50) Rh-95 nucleus has been produced at high spins using the projectile-target system Ca-40 + Ni-58 at 125 MeV beam energy. The gamma-decays of levels populated by the 3p fusion evaporation reaction channel were studied using gamma-gamma coincidences, and 20 new gamma-ray transitions involving 15 new positive-and negative-parity states were observed. Spin and parity for many of the excited states were firmly deduced for the first time using the combined directional angular correlation and direction-polarization techniques. The observed structures are discussed within the framework of large-scale shell model calculations. E1 transition strengths were deduced and used together with the results of the shell model calculations to study the contribution of different particle-hole configurations, in particular for analyzing contributions from core-excited configurations.

Place, publisher, year, edition, pages
2014. Vol. 89, no 4, 044310- p.
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Physical Sciences
URN: urn:nbn:se:uu:diva-224732DOI: 10.1103/PhysRevC.89.044310ISI: 000334300300002OAI: oai:DiVA.org:uu-224732DiVA: diva2:718472
Available from: 2014-05-21 Created: 2014-05-19 Last updated: 2016-05-12

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Nyberg, JohanGengelbach, Aila
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Department of Physics and AstronomyNuclear PhysicsNuclear Physics
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