Thursday, April 11, 2013

1304.2813 (O. Hen et al.)

The EMC Effect and High Momentum Nucleons in Nuclei    [PDF]

O. Hen, D. W. Higinbotham, G. A. Miller, E. Piasetzky, L. B. Weinstein
Recent developments in understanding the influence of the nucleus on deep-inelastic structure functions, the EMC effect, are reviewed. A new data base which expresses ratios of structure functions in terms of the Bjorken variable $x_A=AQ^2/(2M_A q_0)$ is presented. Information about two-nucleon short-range correlations from experiments is also discussed and the remarkable linear relation between short-range correlations and teh EMC effect is reviewed. A convolution model that relates the underlying source of the EMC effect to modification of either the mean-field nucleons or the short-range correlated nucleons is presented. It is shown that both approaches are equally successful in describing the current EMC data.
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