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Low-momentum nucleon–nucleon interaction and shell-model calculations

A Covello, L Coraggio, A Gargano and N Itaco

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We discuss the use of the low-momentum nucleon–nucleon (NN) interaction Vlow-k in the derivation of the shell-model effective interaction and emphasize its practical value as an alternative to the Brueckner G-matrix method. We present some selected results of our current study of exotic nuclei around closed shells, which have been obtained starting from the CD-Bonn potential. We also show some results of calculations performed with different phase-shift equivalent NN potentials, and discuss the effect of changes in the cutoff. momentum which defines the Vlow-k potential.


PACS

21.30.Fe Forces in hadronic systems and effective interactions

21.60.Fw Models based on group theory

21.60.Cs Shell model

Subjects

Nuclear physics

Dates

Issue 1 (2005)



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