What QCD sum rules tell about the rho meson

被引：146

作者：

Leupold, S ^{[1
]}

Peters, W

Mosel, U

机构：

[1] Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany

[2] Univ Washington, Inst Nucl Theory, Seattle, WA 98195 USA

来源：

NUCLEAR PHYSICS A | 1998年 / 628卷 / 02期

关键词：

QCD sum rules; meson properties; Rho spectral function; nuclear matter;

D O I：

10.1016/S0375-9474(97)00634-9

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

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. (C) 1998 Elsevier Science B.V.

引用

页码：311 / 324

页数：14

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