Low Energy Pion-Nucleus Interactions: Nuclear Deep Inelastic Scattering,   Drell-Yan and Missing Pions
  The experimental discovery that the nucleus is approximately transparent to low energy pions is reviewed. The consequences of this for nuclear deep inelastic scattering and Drell-Yan interactions are discussed. I argue that low energy nucleus data imply that there is little nuclear enhancement of the pion cloud of a nucleon, and try to interpret this in terms of nucleon-nucleon correlations. 
Gerald A. Miller (University of Washington)