Abstract:The levels of 206 T1 and 204 T1 are studied by observing their analog resonances in the reactions 205 -203 Tl(/>, p 0 ) and 205, 203X1 (p } p f ). The lowest-lying states formed by a proton hole (3si/ 2 ) coupled to a neutron hole (3pm, 2/5/2, or 3^3/2) are observed to resonate weakly as in the case of the neutron-hole states formed in the 206 Pb(/>, po) analog resonances. Above 2.5-MeV excitation energy in the parent nucleus, states containing neutron particles coupled to the target ground-state core are obse… Show more
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