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Superscaling in nuclei: A search for a scaling function beyond the relativistic Fermi gas model

AuthorsAntonov, A. N.; Gaidarov, M.K.; Kadrev, D.N.; Ivanov, M.V.; Moya de Guerra, Elvira ; Udias, J.M.
Keywords[PACS] Inelastic electron scattering to continuum
[PACS] Nuclear structure models and methods
[PACS] Charge distribution
[PACS] Relativistic models
Issue Date30-Apr-2004
PublisherAmerican Physical Society
CitationPhysical Review C 69 (4): 044321 (2004)
AbstractWe construct a scaling function f(ψ′) for inclusive electron scattering from nuclei within the coherent density fluctuation model (CDFM). The latter is a natural extension to finite nuclei of the relativistic Fermi gas model within which the scaling variable ψ′ was introduced by Donnelly and collaborators. The calculations show that the high-momentum components of the nucleon momentum distribution in the CDFM and their similarity for different nuclei lead to quantitative description of the superscaling in nuclei. The results are in good agreement with the experimental data for different transfer momenta showing superscaling for negative values of ψ′ , including those smaller than −1.
Description7 pages, 1 table, 5 figures.--PACS nrs.: 25.30.Fj; 21.60.-n; 21.10.Ft; 24.10.Jv
Publisher version (URL)http://link.aps.org/doi/10.1103/PhysRevC.69.044321
Appears in Collections:(CFMAC-IEM) Artículos
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