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Momentum distribution in nuclear matter and finite nuclei
Müther, Herbert; Knehr, G.; Polls Martí, Artur
Universitat de Barcelona
A simple method is presented to evaluate the effects of short-range correlations on the momentum distribution of nucleons in nuclear matter within the framework of the Greens function approach. The method provides a very efficient representation of the single-particle Greens function for a correlated system. The reliability of this method is established by comparing its results to those obtained in more elaborate calculations. The sensitivity of the momentum distribution on the nucleon-nucleon interaction and the nuclear density is studied. The momentum distributions of nucleons in finite nuclei are derived from those in nuclear matter using a local-density approximation. These results are compared to those obtained directly for light nuclei like 16O.
Estructura nuclear
Reaccions nuclears
Funcions de Green
Nuclear structure
Nuclear reactions
Green's functions
(c) The American Physical Society, 1995
The American Physical Society

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