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We analyze the density dependence of the contribution of meson-exchangecurrents to the lepton-nucleus inclusive cross section in the two-particletwo-hole channel. The model is based on the Relativistic Fermi Gas, where eachnucleus is characterized by its Fermi momentum $k_F$. We find that the 2p-2hnuclear response functions at their peaks scale as $A k_F^2$ for Fermi momentumgoing from 200 to 300 MeV/c and momentum transfer $q$ from $2k_F$ to 2 GeV/c.This behavior is different from what is found for the quasielastic response,which scales as $A/k_F$. Additionally, the deep scaling region is alsodiscussed and there the usual scaling behavior is found to be preferable.

Density dependence of 2p-2h meson-exchange currents