L . Coraggio

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L. Coraggio, A. Covello, A. Gargano, N. Itaco, T. T. S. Kuo, D. R. Entem, 4 and R. Machleidt Dipartimento di Scienze Fisiche, Università di Napoli Federico II, and Istituto Nazionale di Fisica Nucleare, Complesso Universitario di Monte S. Angelo, Via Cintia I-80126 Napoli, Italy Department of Physics, SUNY, Stony Brook, New York 11794 Department of Physics,(More)
We have studied p-shell nuclei using a two-frequency shell-model approach with an effective interaction derived from the Bonn-A nucleon-nucleon potential by means of a G-matrix folded-diagram method. First, we briefly describe our derivation of the effective interaction in a model space composed of harmonic oscillator wave functions with two different(More)
We report on a study of neutron-rich even-mass Te isotopes in terms of the shell model employing a realistic effective interaction derived from the CD-Bonn nucleon-nucleon potential. The strong short-range repulsion of the latter is renormalized by constructing a smooth low-momentum potential, Vlow−k, that is used directly as input for the calculation of(More)
The present paper is comprised of two parts. First, we give a brief survey of the theoretical framework for microscopic nuclear structure calculations starting from a free nucleon-nucleon potential. Then, we present some selected results of a comprehensive study of nuclei near doubly closed shells. In all these shell-model calculations we have made use of(More)
We have performed shell-model calculations for the N = 126 isotones 210Po, 211At, and 212Rn using a realistic effective interaction derived from the Bonn A nucleon-nucleon potential by means of a G-matrix folded-diagram method. The calculated binding energies, energy spectra and electromagnetic properties show remarkably good agreement with the experimental(More)
We report on a study of exotic nuclei around doubly magic 132Sn in terms of the shell model employing a realistic effective interaction derived from the CD-Bonn nucleon-nucleon potential. The short-range repulsion of the latter is renormalized by constructing a smooth lowmomentum potential, Vlow−k, that is used directly as input for the calculation of the(More)
The doubly odd Ta isotopes are studied within the framework of the particle-rotor model. The main aim of this study is to obtain information on the neutron-proton interaction in deformed nuclei, with particular attention focused on the role of the tensor force. To this end, both zero-range and finite-range phenomenological interactions are considered.(More)
The experimental level structure of Sb is compared with the results of a shell-model calculation in which the two-body matrix elements of the effective interaction have been derived from the CDBonn nucleon-nucleon potential. The experimental data, including the very low-lying first-excited 1− state, are remarkably well reproduced by the theory. The results(More)
We have performed shell-model calculations starting from the CD-Bonn free nucleon-nucleon (NN) potential and making use of a new approach for the calculation of the effective interaction. This consists in deriving from the NN potential a low-momentum effective potential Vlow−k, defined within a given cut-off momentum Λ. Being a smooth potential it can be(More)