Half-life of the Iπ=4− intruder state in 34P: M2 transition strengths approaching the island of inversion
Mason, P.J.R., Alharbi, T., Regan, P.H., Mărginean, N., Podolyàk, Zs., Simpson, E.C., Alkhomashi, N., Bender, P.C., Bowry, M., Bostan, M., Bucurescu, D., Bruce, A.M., Căta-Danil, G., Căta-Danil, I., Chakrabarti, R., Deleanu, D., Detistov, P., Erduran, M.N., Filipescu, D., Garg, U., Glodariu, A., Ghiţă, D., Ghugre, S.S., Kusoglu, A., Mărginean, R., Mihai, C., Nakhostin, M., Negret, A., Pascu, S., Rodriguez Triguero, C, Sava, T., Sinha, A.K., Stroe, L., Suliman, G. and Zamfir, N.V. (2012) Half-life of the Iπ=4− intruder state in 34P: M2 transition strengths approaching the island of inversion Physical Review C, 85 (6). ISSN 0556-2813
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Official URL: http://link.aps.org/doi/10.1103/PhysRevC.85.064303
The half-life of the 2305-keV, Iπ=4(−) intruder state in 34P has been measured as t1/2=2.0(1) ns using γ-ray coincidence, fast-timing techniques with the Bucharest HPGe and LaBr3:Ce detector array. Excited states in 34P were populated using the 18O(18O,pn)34P fusion-evaporation reaction at a beam energy of 36 MeV. Reduced transition probabilities have been calculated for different values of the M2/E3 mixing ratio, δE3/M2, and compared with shell-model estimates. For small values of the mixing ratio, the B(M2) value was found to be consistent with similar transitions associated with the occupation of neutron f7/2 configurations in this mass region.
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