Abstract
The multipole $L=2$ structure function, measurable in deeply inelastic scattering of unpolarized leptons off a polarized $J\ensuremath{\ge}1$ nuclear target, is a good indicator of exotic quark-gluon components in the nucleus. We present here estimates of this structure function for two different classes of nuclei---light nuclei describable in an independent-particle model approach and heavy nuclei described by slowly rotating collective variables. An estimate of the exotic effects is made within the context of a model wherein gluons and quarks from separate nucleons fuse together to alter the parton densities relative to that in isolated nucleons.
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