Quasielastic Electron Scattering from Nuclei: Random-Phase vs. Ring Approximations

Details Quasielastic Electron Scattering from Nuclei: Random-Phase vs. Ring Approximations Quasielastic Electron Scattering from Nuclei: Random-Phase vs. Ring Approximations

1999-02-11

arxiv.org/abs/nucl-th/9902029v1

Phys.Rev. C59 (1999) 2603-2607

Physics

Nuclear Physics

Nuclear Theory

7 pages, 4 Postscript figures, to appear in Physical Review C

Scientific paper

10.1103/PhysRevC.59.2603

We investigate the extent to which the nuclear transverse response to electron scattering in the quasielastic region, evaluated in the random-phase approximation can be described by ring approximation calculations. Different effective interactions based on a standard model of the type g'+V_pi+V_rho are employed. For each momentum transfer, we have obtained the value of g'_0 permitting the ring response to match the position of the peak and/or the non-energy weighted sum rule provided by the random-phase approach has been obtained. It is found that, in general, it is not possible to reproduce both magnitudes simultaneously for a given g'_0 value.

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