Comment on: "Nucleon-nucleon scattering lengths in QCD sum rules,"

Details Comment on: "Nucleon-nucleon scattering lengths in QCD sum rules," Comment on: "Nucleon-nucleon scattering lengths in QCD sum rules,"

1993-12-15

arxiv.org/abs/hep-ph/9312289v1

Phys.Rev.Lett. 72 (1994) 3128

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages in RevTeX, OSU-0901/UTHEP-268

Scientific paper

10.1103/PhysRevLett.72.3128

In a recent Physical Review Letter, Kondo and Morimatsu present a QCD sum
rule calculation of nucleon-nucleon scattering lengths. They also relate the
empirical scattering lengths to the nucleon mass shift in nuclear matter to
cast doubt on the "linear density approximation." In this Comment, we point out
flaws in both parts of their analysis and draw very different conclusions.

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