Multiple shape coexistence in 110,112 Cd
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2019
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American Physical Society (APS)
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Garrett, P.E., Rodríguez, T.R., Varela, A.D., Green, K.L., Bangay, J., Finlay, A., Austin, R.A.E., Ball, G.C., Bandyopadhyay, D.S., Bildstein, V., Colosimo, S., Cross, D.S., Demand, G.A., Finlay, P., Garnsworthy, A.B., Grinyer, G.F., Hackman, G., Jigmeddorj, B., Jolie, J., Kulp, W.D., Leach, K.G., Morton, A.C., Orce, J.N., Pearson, C.J., Phillips, A.A., Radich, A.J., Rand, E.T., Schumaker, M.A., Svensson, C.E., Sumithrarachchi, C., Triambak, S., Warr, N., Wong, J., Wood, J.L., Yates, S.W., 2019. Multiple shape coexistence in cd 110 , 112. Phys. Rev. Lett. 123, 142502. https://doi.org/10.1103/PhysRevLett.123.142502
Abstract
From detailed spectroscopy of Cd-110 and Cd-112 following the 𝛽+/electron-capture decay of In-110,In-112 and the 𝛽− decay of Ag-112, very weak decay branches from nonyrast states are observed. The transition rates determined from the measured branching ratios and level lifetimes obtained with the Doppler-shift attenuation method following inelastic neutron scattering reveal collective enhancements that are suggestive of a series of rotational bands. In Cd-110, a 𝛾 band built on the shape-coexisting intruder configuration is suggested. For Cd-112, the 2(+) and 3(+) intruder 𝛾-band members are suggested, the 0(3)(+) band is extended to spin 4(+), and the 0(4)(+) band is identified. The results are interpreted using beyond-mean-field calculations employing the symmetry conserving configuration mixing method with the Gogny D1S energy density functional and with the suggestion that the Cd isotopes exhibit multiple shape coexistence.
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Artículo firmado por 35 autores.