Comment on ``Parton distributions, d/u, and higher twist effects at high x''

Abstract

In a recent paper Yang and Bodek extracted the free neutron structure function at large x by extrapolating the density dependence of the nuclear EMC ratios to the deuteron. We clarify why this approach is ill-defined for light nuclei, and introduces a large theoretical bias into the extraction of F_2n at large x.

3 pages, 1 figure, REVTeX, discussion expanded to clarify original criticisms of nuclear density extrapolation to the deuteron

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