English

Is the Coulomb sum rule violated in nuclei?

Nuclear Experiment 2009-11-07 v2

Abstract

Guided by the experimental confirmation of the validity of the Effective Momentum Approximation (EMA) in quasi-elastic scattering off nuclei, we have re-examined the extraction of the longitudinal and transverse response functions in medium-weight and heavy nuclei. In the EMA we have performed a Rosenbluth separation of the available world data on 40^{40}Ca, 48^{48}Ca, 56^{56}Fe, 197^{197}Au, 208^{208}Pb and 238^{238}U. We find that the longitudinal response function for these nuclei is "quenched" and that the Coulomb sum is not saturated, at odds with claims in the literature.

Keywords

Cite

@article{arxiv.nucl-ex/0105016,
  title  = {Is the Coulomb sum rule violated in nuclei?},
  author = {J. Morgenstern and Z. E. Meziani},
  journal= {arXiv preprint arXiv:nucl-ex/0105016},
  year   = {2009}
}

Comments

10 pages, 6 figures