Abstract
Neutron-deficient caesium isotopes with mass numbers from 114 to 118 have been studied at the ISOLDE facility. Half-lives have been determined from counting of β-particles, β-delayed protons, and γ-rays. A short-lived isomer (T1 2 = 0.7 sec) in 116Cs has been observed and the new delayed-particle precursors 116Cs (protons and α-particles), 115Cs (protons), and 114Cs (protons and α-particles) have been identified. Coincidences between delayed particles and γ-rays have been measured for 118Cs (pγ and αγ) and 116Cs (pγ). A search for the possible proton-radioactive isotope 113Cs has been performed and an upper limit for its production yield is given. © 1978.
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D’auria, J. M., Grüter, J. W., Hagberg, E., Hansen, P. G., Hardy, J. C., Hornshøj, P., … Tidemand-Petersson, P. (1978). Properties of the lighest known caesium isotopes 114-118Cs. Nuclear Physics, Section A, 301(3), 397–410. https://doi.org/10.1016/0375-9474(78)90057-X
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