Nuclear Correlation Effects in the Deep Inelastic Structure Function of 4 He

Abstract

The structure function of ⁴He is calculated based on a realistic spectral function which is consistent with the momentum sum rule. The calculation reproduces the empirical suppression of the EMC ratio R(x) = F₂(⁴He)/F₂(D) at x < 1. At x~ 1 the quasielastic contribution produces a sizable effect in the ratio, but it becomes negligible around Q² ~ 20 (GeV/c)².