%0 Journal Article
%T Observation of a μs isomer in In-134(49)85: Proton-neutron coupling "southeast" of Sn-132(50)82
%A Phong, V. H. et al
%A Agramunt, J.
%A Algora, A.
%A Domingo-Pardo, C.
%A Morales, A. I.
%A Tain, J. L.
%A Tarifeño-Saldivia, A.
%A Tolosa-Delgado, A.
%J Physical Review C
%D 2019
%V 100
%N 1
%I Amer Physical Soc
%@ 2469-9985
%G English
%F Phong_etal2019
%O WOS:000477895400001
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=4080), last updated on Thu, 03 Oct 2019 10:28:27 +0000
%X We report on the observation of a microsecond isomeric state in the single-proton-hole, three-neutron-particle nucleus In-134. The nuclei of interest were produced by in-flight fission of a U-238 beam at the Radioactive Isotope Beam Factory at RIKEN. The isomer depopulates through a gamma ray of energy 56.7(1) keV and with a half-life of T-1/2 = 3.5(4) μs. Based on the comparison with shell-model calculations, we interpret the isomer as the I-pi = 5(-) member of the pi 0g(9/2)(-1) circle times nu 1f(7/2)(3) multiplet, decaying to the I-pi = 7(-) ground state with a reduced-transition probability of B(E2; 5(-) -> 7(-)) = 0.53(6) W.u. Observation of this isomer, and lack of evidence in the current work for a I-pi = 5(-) isomer decay in In-132, provides a benchmark of the proton-neutron interaction in the region of the nuclear chart "southeast" of Sn-132, where experimental information on excited states is sparse.
%R 10.1103/PhysRevC.100.011302
%U https://doi.org/10.1103/PhysRevC.100.011302
%P 011302-6pp