Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-08-08
Nucl.Phys. A628 (1998) 311-324
Physics
Nuclear Physics
Nuclear Theory
15 pages, Revtex, 2 figures included
Scientific paper
10.1016/S0375-9474(97)00634-9
Using a simple parametrization of Breit-Wigner type for the hadronic side of
the QCD sum rule for $\rho$ mesons in vacuum as well as in a nuclear medium we
explore the range of values for the mass and the width of the $\rho$ meson
which are compatible with the operator product expansion.
Leupold Stefan
Mosel Ulrich
Peters Wolfram
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