What QCD sum rules tell about the rho me
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Stefan Leupold; Wolfram Peters; Ulrich Mosel
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Article
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1998
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Elsevier Science
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English
β 698 KB
Using a simple parametrization of Breit-Wigner type for the hadronic side of the QCD sum rule for p mesons in vacuum as well as in a nuclear medium we explore the range of values for the mass and the width of the p meson, which are compatible with the operator product expansion. (~) 1998 Elsevier Sc