Half-life of the Iπ=4− intruder state in 34P: M2 transition strengths approaching the island of inversion

P.J.R. Mason, T. Alharbi, P.H. Regan, N. Mărginean, Zs. Podolyàk, E.C. Simpson, N. Alkhomashi, P.C. Bender, M. Bowry, M. Bostan, D. Bucurescu, Alison Bruce, G. Căta-Danil, I. Căta-Danil, R. Chakrabarti, D. Deleanu, P. Detistov, M.N. Erduran, D. Filipescu, U. GargA. Glodariu, D. Ghiţă, S.S. Ghugre, A. Kusoglu, R. Mărginean, C. Mihai, M. Nakhostin, A. Negret, S. Pascu, Camino Rodriguez Triguero, T. Sava, A.K. Sinha, L. Stroe, G. Suliman, N.V. Zamfir

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Abstract

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.
Original languageEnglish
JournalPhysical Review C
Volume85
Issue number6
DOIs
Publication statusPublished - 2012

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    Mason, P. J. R., Alharbi, T., Regan, P. H., Mărginean, N., Podolyàk, Z., Simpson, E. C., Alkhomashi, N., Bender, P. C., Bowry, M., Bostan, M., Bucurescu, D., Bruce, A., Căta-Danil, G., Căta-Danil, I., Chakrabarti, R., Deleanu, D., Detistov, P., Erduran, M. N., Filipescu, D., ... 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). https://doi.org/10.1103/PhysRevC.85.064303