PILLER, G and RATZKA, W and WEISE, W (1995) PHENOMENOLOGY OF NUCLEAR SHADOWING IN DEEP-INELASTIC SCATTERING. ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 352 (4). pp. 427-439. ISSN 0939-7922,
Full text not available from this repository.Abstract
We investigate shadowing effects in deep-inelastic scattering from nuclei at small values x < 0.1 of the Bjorken variable. Unifying aspects of generalized vector meson dominance and color transparency we first develop a model for deep-inelastic scattering from free nucleons at small x. In application to nuclear targets we find that the coherent interaction of quark-antiquark fluctuations with nucleons in a nucleus leads to the observed shadowing at x < 0.1. We compare our results with most of the recent data for a large variety of nuclei and examine in particular the Q(2) dependence of the shadowing effect. While the coherent interaction of low mass vector mesons causes a major part of the shadowing observed in the Q(2) range of current experiments, the coherent scattering of continuum quark-antiquark pairs is also important and guarantees a very weak overall Q(2) dependence of the effect. We also discuss shadowing in deuterium and its implications for the quark flavor structure of nucleons, Finally we comment on shadowing effects in high-energy photon-nucleus reactions with real photons.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TOTAL CROSS-SECTIONS; GOTTFRIED SUM-RULE; SMALL-X; QUARK DISTRIBUTION; SYMMETRY-BREAKING; VECTOR-MESONS; HEAVY-NUCLEI; SMALL VALUES; SEA; PHOTON; |
| Depositing User: | Dr. Gernot Deinzer |
| Last Modified: | 19 Oct 2022 08:37 |
| URI: | https://pred.uni-regensburg.de/id/eprint/52373 |
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