N. J. A. Rust
Stellenbosch University
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Featured researches published by N. J. A. Rust.
Nuclear Physics | 1974
N. J. A. Rust; W. J. Naude; J. W. Koen; W.L. Mouton
Abstract The spins and electromagnetic properties of levels up to 1800 keV in 45Sc were studied by means of inelastic proton scattering. Results are discussed with reference to the excited-core model.
Nuclear Instruments and Methods | 1969
N. J. A. Rust; J. W. Koen; W. L. Mouton
Abstract Gamma rays of energy continuously variable between 1.332 MeV and 0.25 MeV were obtained by Compton scattering of the gamma radiation from a 4000 Ci 60Co source. Details of the source and its shielding are given, and the energy spread of the scattered beam is discussed. The gamma rays of variable energy were used to observe resonant scattering from 7Li, 23Na, 29Si and 65Cu. To deduce values for the widths of energy levels, self absorption measurements as well as measurements of the flux incident on the resonant scatterer were performed. Results, which are much superior to those previously obtained with a weaker source, are presented.
European Physical Journal A | 1980
J. J. Buitendag; W. J. Naude; R. Saayman; N. J. A. Rust; J. W. Koen
The spins and electromagnetic properties of levels in45Sc up to 2,352 keV were studied by means of inelastic proton scattering using a 3-parameter coincidence arrangement and Coulomb excitation with3He and4He beams. Relevant experimental results are discussed in terms of the Thankappen-True core-plus-particle model.
European Physical Journal | 1971
N. J. A. Rust; J. W. Koen; W. L. Mouton
The lifetime of the fourth excited state of45Sc, at an energy of 720 keV, was determined in a nuclear resonant scattering experiment. Gamma rays of the desired energy for the excitation of this level were obtained by Compton scattering of the 1173 and 1332 keV photons from a 4300 Ci radioactive60Co source. A value of (5.6±1.2) meV was found for the radiation width of the level, assuming a value of 5/2 for its spin. The corresponding mean lifetime is (0.12−0.02+0.04) ps. An attempt was made to determine the spin of the level by means of angular distribution measurements.
European Physical Journal A | 1980
P. Haupt; J. W. Koen; W. J. Naude; N. J. A. Rust
Levels up to 3,016 keV in59Co were studied using the59Co (p, p′y) and56Fe (α, py) reactions. Level energies, branching ratios, mean lifetimes and spins were obtained for a number of levels.
European Physical Journal A | 1980
J.C. Van der Merwe; W. J. Naude; R. Saayman; J. W. Koen; N. J. A. Rust
The spins and electromagnetic properties of levels up to 3,700 keV in51V were studied by means of inelastic proton scattering. Results are discussed with reference to the many-particle shell model using effective surface delta and realistic Kuo-Brown interactions.
European Physical Journal A | 1986
J. A. Stander; W. J. Naude; R. Saayman; N. J. A. Rust
The spins and electromagnetic properties of low-lying levels in39K with excitation energy ≦4.127 MeV were studied with the39K(p, p′γ)39K and the36Ar(α, pγ)39K reactions. Experimental results are discussed in terms of shell model calculations with a modified effective surface delta interaction.
European Physical Journal A | 1986
J. J. Lawrie; W. J. Naude; J. A. Stander; J. W. Koen; N. J. A. Rust
Properties of levels up to 5 MeV excitation in37Cl were studied with37Cl(p, p′ γ)37Cl,37Cl(α, α′ γ)37Cl and34S(α, pγ)37Cl reactions. Results are discussed with reference to the many-particle shell model with an effective surface delta interaction.
European Physical Journal A | 1986
J. A. Stander; W. J. Naude; R. Saayman; N. J. A. Rust
European Physical Journal A | 1986
J. J. Lawrie; W. J. Naude; J. A. Stander; J. W. Koen; N. J. A. Rust
