What QCD sum rules tell about the rho meson

Details What QCD sum rules tell about the rho meson What QCD sum rules tell about the rho meson

1997-08-08

arxiv.org/abs/nucl-th/9708016v1

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.

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