Comment on ``Meson Masses in Nuclear Matter''

Details Comment on ``Meson Masses in Nuclear Matter'' Comment on ``Meson Masses in Nuclear Matter''

1997-03-11

arxiv.org/abs/nucl-th/9703022v1

Physics

Nuclear Physics

Nuclear Theory

4 pages, RevTeX

Scientific paper

In a recent paper, Eletsky and Ioffe estimated the energy shift of $\rho$-meson with high momentum (q) in nuclei using the Glauber approximation. They also made remarks on the low q vector mesons in medium. In this Comment, we will discuss the second point and show that (i) mean-field physics for the mass shift of low-q mesons is overlooked in the paper, and (ii) the short distant operator product expansion is relevant to analyze the low-q mesons in QCD sum rules contrary to the claim in the paper.

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