Abstract
Levels of 132Xe and 131Xe have been studied in 130Te(α, 2nγ) and 130Te(α, 3nγ) reactions. In 132Xe the (h112, s12)5−, (h112, d32)7− and (h2112)10+ two-quasiparticle states have been investigated. The half-life of the 7− level was found to be 90 ± 10 ns. The three-quasiparticle states observed in 131Xe arise from the coupling of a h112 neutron-hole to the levels of 132Xe. The level having the highest-spin value 232+ (2194.7) keV has been interpreted as a member of the (h2112, d32) configuration. It decays to the levels (h2112, s12)192+, (h3112)192−(h3112)152− and (h112)112− by a straight cascade. The 192+ level in the cascade was observed to be an isomeric state with T12 = 14 ± 3 ns.
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