Lifetime measurements on E2 isomers in N = 48 nuclei and E2 effective charges of 1g92 nucleons

1971 
Abstract New E2 isomeric 8 + → 6 + transitions have been identified in three N = 48 nuclei, 86 Sr, 88 Zr and 90 Mo. The half-lives have been determined to be 0.46, 1.75 and 1.05 νs, respectively. The comparison of the B ( E 2, 8 + → 6 + ) values in 86 Sr and 90 Zr indicates that the E2 polarization charge for the neutron is fairly larger than that for the proton.
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