Microscopic origins of effective charges in the shell model

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dc.creatorNavratil, P.
dc.creatorThoresen, M.
dc.creatorBarrett, B. R.
dc.date1996-12-05
dc.date.accessioned2026-07-07T11:11:01Z
dc.date.available2026-07-07T11:11:01Z
dc.descriptionWe use a large-scale 6 hbar Omega calculation for Li6 with microscopically derived two-body interaction to construct the 0 hbar Omega 0p-shell effective hamiltonian, electric quadrupole, and magnetic dipole operators. While the E2 and M1 6 hbar Omega operators are one-body operators with free nucleon charges, the effective operators are two-body operators with substantially different renormalization for the isoscalar and isovector matrix elements, especially for the E2 operator. We show that these operators can be very well approximated by one-body operators provided that effective proton and neutron charges are used. The obtained effective charges are compatible with those used in phenomenological shell-model studies. The two-body part of the effective operators is estimated.
dc.description10 pages. REVTEX
dc.identifierhttps://arxiv.org/abs/nucl-th/9612015
dc.identifierhttp://arxiv.org/abs/nucl-th/9612015
dc.identifierPhys.Rev.C55:573-576,1997
dc.identifierdoi:10.1103/PhysRevC.55.573
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190953
dc.subjectNuclear Theory
dc.titleMicroscopic origins of effective charges in the shell model
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