Extraction of nucleon momentum distributions from inclusive electron scattering on nuclei

Details Extraction of nucleon momentum distributions from inclusive electron scattering on nuclei Extraction of nucleon momentum distributions from inclusive electron scattering on nuclei

1999-04-12

arxiv.org/abs/nucl-th/9904027v1

Phys.Lett. B459 (1999) 431-436

Physics

Nuclear Physics

Nuclear Theory

12 p. Latex file, 2 ps figs

Scientific paper

10.1016/S0370-2693(99)00669-3

We address the problem of extracting single-nucleon momentum distributions $n(p)$ from inclusice scattering data. A model for these relates nuclear and nucleon structure functions (SF) through an intermediate SF $f^{PN}$ for a nucleus of point-particles. In addition to the asymptotic limit (AL) which depends on $n(p), f^{PN}$ contains, generally $q$-dependent Final State Interactions (FSI) parts. In the inverse problem one wishes to separate $q$-dependent FSI from the AL. In general it suffices to know the structure of the theory, but not numerical results. It appears, that in the $q$-range of the analyzed electron scattering data, FSI are only weakly $q$-dependent, making it virtually impossible to obtain parameters in a free fit of the parametrized components of $f$. Imposing a restriction, we obtain $n(p)$ for Fe and $^4$Fe.

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