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A study of shadowing in heavy nuclei

AuthorsCocho, G.; Gregorio M.; León, Juan ; Rotelli, P.
Issue Date1974
CitationNuclear Physics B 78: 269 (1974)
AbstractThe theory for shadowing of real and virtual photons in heavy nuclei is presented in the context of the generalized vector-meson dominance (GVMD) model. In particular, the consequence of including off-diagonal elements in GVMD is investigated. It is found that including a positive real/imaginary part in the virtual photon-hadron amplitude considerably improves agreement with experiments. Such an important real part is consistent with the energy dependence of the vector-meson electroproduction data. These data also exhibit a feature which may be called the decoupling of the pomeron as a function of q*, the photon mass. The relation to a similar feature of the pure hadronic interactions is discussed.
Identifiersdoi: 10.1016/0550-3213(74)90283-1
issn: 0550-3213
Appears in Collections:(CFMAC-IFF) Artículos
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