QCD sum rules, scattering length, and vector mesons in the nuclear medium
- 1 December 1995
- journal article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 52 (6) , 3364-3372
- https://doi.org/10.1103/physrevc.52.3364
Abstract
Critical examination is made on the relation between the mass shift of vector mesons in nuclear medium and the vector-meson $-$ nucleon scattering length. We give detailed comparison between the QCD sum rule approach by two of the present authors (Phys. Rev. {\bf C46} (1992) R34) and the scattering-length approach by Koike (Phys. Rev. {\bf C51} (1995) 1488). It is shown that the latter approach is mortally flawed both technically and conceptually.Comment: 16 pages, latex, 4 figures appended as uu-encoded fil
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