THE COULOMB SUM-RULE IN THE EXTENDED RPA THEORY

TAKAYANAGI, K (1991) THE COULOMB SUM-RULE IN THE EXTENDED RPA THEORY. NUCLEAR PHYSICS A, 522 (3-4). pp. 523-556. ISSN 0375-9474,

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Abstract

We investigate in detail the Coulomb sum rule of Ca-40 with momentum transfer q = 2.0 fm-1, in the framework of traditional nuclear many-body theory, i.e. by using the G-matrix and the extended RPA theory. We have separately evaluated the one-body part (total charge Z) and the two-body part (two-body correlation function) of the sum rule. A considerable part of the missing charge in the existing experimental data is shown to be explained by the ground-state correlations induced by the tensor force. It is also found that the one-body part is not fully observed in the existing experimental data. Problems left to be discussed are pointed out.

Item Type: Article
Uncontrolled Keywords: LONGITUDINAL RESPONSE FUNCTION; RANDOM PHASE APPROXIMATION; GAMOW-TELLER STRENGTH; ELECTRON-SCATTERING; NUCLEAR-MATTER; FINITE NUCLEI; SHELL-MODEL; C-12; CA-40; EXCITATIONS;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:46
URI: https://pred.uni-regensburg.de/id/eprint/55109

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