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Browsing Unisa Research Output by Author "Lemmer R.H."

Browsing Unisa Research Output by Author "Lemmer R.H."

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  • Nuclear scattering in the random phase approximation 
    Lemmer R.H.; Veneroni M. (1968)
    A simple extension of the random phase approximation (RPA) is described that includes scattering channels of a single nucleon. Coupled equations are derived for the single-nucleon amplitudes that describe the scattering ...
  • Retarded interactions in fermi systems. II. Quasiparticle lifetimes 
    Dover C.B.; Lemmer R.H. (1969)
    Properties of the inverse lifetime 1 of quasiparticles in an infinite system of nucleons ("nuclear matter") interacting via the exchange of a neutral scalar boson are studied in the dielectric formulation of the many-body ...
  • Use of a truncated Hilbert space in nuclear reaction calculations 
    Hufner J.; Lemmer R.H. (1968)
    This formulation of nuclear reaction calculations stays as close as possible to the usual bound-state shell-model calculations. The Hilbert space used in the bound-state calculations is enlarged by adding the scattering ...

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