Figure 3
From: Quantum anti-Zeno effect without wave function reduction

The effective decay rate R(τ) versus the quasi-measurement interval τ for a Lorentzian interacting spectrum with δ = 108 rad/s, ω2 = 1012 rad/s, ν − ω2 = 2 × 108 rad/s and RGR = 107 rad/s.
The red dashed line displays the golden-rule decay rate.