Nucleon separation and pairing energies, decay energies, and atomic masses for 68 ≤ Z ≤ 72
- 1 August 1977
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 55 (15) , 1360-1378
- https://doi.org/10.1139/p77-175
Abstract
A set of 24 precise determinations of mass spectroscopic doublet spacings, including a new determination of the 176Hf35Cl – 174Hf37Cl mass difference, has been combined with nuclear reaction and decay Q values in a least squares adjustment of the atomic mass differences in the region 68 ≤ Z ≤ 72. The following quantities have been calculated for each nuclide: separation energies for the last neutron and last pair of neutrons (Sn, S2n), the neutron pairing energy (Pn), separation energies for the last proton and last pair of protons (Sp, S2p), the proton pairing energy (Pp), Q values for α and β− decays, and the mass defect. The systematic variations of these quantities with N and Z are discussed.Keywords
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