Single-particle isomeric states in 121Pd and 117Ru
S. Lalkovski, A. M. Bruce, A. M. Denis Bacelar, M. Gorska, S. Pietri,, Zs. Podolyak, P. Bednarczyk, L. Caceres, E. Casarejos, I. J. Cullen, P., Doornenbal, G.F.Farrelly, A. B. Garnsworthy, H. Geissel, W. Gelletly, J., Gerl, J. Grcebosz, C. Hinke, G. Ilie, G. Jaworski, S. Kisyov
TL;DR
This paper reports the discovery of isomeric states in neutron-rich 121Pd and 117Ru nuclei, including their gamma-ray energies and half-lives, providing insights into their nuclear structure.
Contribution
It presents the first observation and characterization of isomeric states in these specific neutron-rich nuclei using relativistic fission.
Findings
Identification of gamma-ray energies at 135 keV and 184 keV.
Measured half-lives of 0.63 and 2.0 microseconds.
Interpretation of states as deformed single-particle states.
Abstract
Neutron-rich nuclei were populated in a relativistic fission of 238U. Gamma-rays with energies of 135 keV and 184 keV were associated with two isomeric states in 121Pd and 117Ru. Half-lives of 0.63(5) microseconds and 2.0(3) micrisecondss were deduced and the isomeric states were interpreted in terms of deformed single-particle states.
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Taxonomy
TopicsCold Fusion and Nuclear Reactions · Nuclear physics research studies · Nuclear Materials and Properties