Abstract
The widely used low-order Brueckner (LOB) scheme for calculating the binding energy of the Λ hyperon in nuclear matter, BΛ, is discussed. Two corrections to BΛ are considered: the rearrangement energy and the effect of replacing the LOB spectrum of the single particle Λ energies in the intermediate states of the reaction matrix equation by a continuous spectrum. It is shown that the two corrections approximately cancel.
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