A. Piechaczek,E. F. Zganjar,J. C. Batchelder,C. R. Bingham,T. N. Ginter,C. J. Gross,R. Grzywacz,B. D. Macdonald,S. D. Paul,K. Rykaczewski,K. S. Toth;A. Piechaczek;E. F. Zganjar;J. C. Batchelder;C. R. Bingham;T. N. Ginter;C. J. Gross;R. Grzywacz;B. D. Macdonald;S. D. Paul;K. Rykaczewski;K. S. Toth;
physical review c2000Vol. 61pp. 047306-
143
toth2000physicalmultipolarity
Abstract
We have unambiguously characterized the deexcitation of the 228.5-keV T1/2=4.7−s isomer in 80Y as an M3 transition. This result determines, in conjunction with other experimental data, the spin and parity of the 228.5-keV isomer and the 80Y ground state as 1− and 4−, respectively.