Anomaly induced QCD potential and Quark Decoupling

Details Anomaly induced QCD potential and Quark Decoupling Anomaly induced QCD potential and Quark Decoupling

1998-01-15

arxiv.org/abs/hep-th/9801097v1

Phys.Lett. B427 (1998) 300-306

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, RevTeX

Scientific paper

10.1016/S0370-2693(98)00356-6

We explore the anomaly induced effective QCD meson potential in the framework of the effective Lagrangian approach. We suggest a decoupling procedure, when a flavored quark becomes massive, which mimics the one employed by Seiberg for supersymmetric gauge theories. It is seen that, after decoupling, the QCD potential naturally converts to the one with one less flavor. We study the $N_c$ and $N_f$ dependence of the $\eta^{\prime}$ mass.

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