Fortune, H Terry
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Publication Constraints on energies of 15F(g.s.), 15O(1/2+ , T = 3/2 ), and 16F(0+, T = 2)(2006-11-22) Fortune, H. TerryCoulomb energy calculations for the lowest 0+ , T = 2 state in A = 16 nuclei allow tight constraints on the masses of the lowest 1/2+ , T = 3/2 state in 15O and 15F, and of the 0+ , T = 2 state in 16F.Publication Structure of 2+, T = 2 States in A = 12 Nuclei(2011-04-21) Fortune, H. Terry; Sherr, RubbyUsing a reasonable but simple model, properties of 2+ states in 12Be and 12O are calculated and compared with results of experiments.Publication Energy and Width of 11B(1/2+, T = 3/2)(2006-09-26) Fortune, H. TerryI find that data for the reaction 10Be(p, γ) can be reasonably well described with a 1/2+ resonance whose width is 640 keV, rather than the accepted 210 keV.Publication Neutron Widths and Configuration Mixing in 11Be(2011-05-18) Fortune, H. Terry; Sherr, RubbyWe use known widths and branching ratios in 11Be to discuss Jπ and configuration admixtures. Analysis favors 3/2− for the 3.96-MeV state and three-state mixing for this Jπ .Publication Excited 0+, T = 2 States in 12Be, 12C, and 12O(2006-08-01) Fortune, H. Terry; Sherr, RubbyWe present predictions of a relatively simple model of the low-lying 0+ states in 12Be, their predicted energy splitting in 12O, their cross-section ratios in 10Be(t,p) and 14C(p, t) and their decay widths. Comparison is made with predictions using earlier wave functions of Barker.Publication Update on alpha-particle and Nucleon Widths in 19F and 19Ne(2010-01-01) Fortune, H. Terry; Lacaze, A G; Sherr, RubbyThis short article concerns α-particle and/or nucleon widths for several states in 19F and 19Ne. It addresses questions arising from new experiments or calculations. Many of the states involved are of interest in connection with reaction-rate calculations in astrophysics. For each state, or set of states, we discuss the new information in the context of what was previously known. Our recent article concerned states above 6.5 MeV in 19F. Except for one of those states, the present article primarily involves only states below 6.5 MeV. Unless otherwise noted, our energies and Jπ values are from the latest compilation.Publication Two-Proton Decay Energy and Width of 19Mg(g.s.)(2007-07-30) Fortune, H. Terry; Sherr, RubbyWe use a weak-coupling procedure and results of a shell-model calculation to compute the two-proton separation energy of 19Mg. Our result is at the upper end of the previous range, but 19Mg is still bound for single proton decay to 18Na. We also calculate the 2p decay width.