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Figs. 4.12–4.17, with the parameter values of Table 4.2. The predicted values of n$_{s}$ and n ′ s of the model for a thermal waterfall field mass of m$_{0}$ ∼ 10 3 GeV for all three $^{φ}$∗ Cases are the same to within at least four significant figures. They are also both insensitive to the value of m$_{ψ}$ within its allowed range. n$_{s}$ and n ′ s are shown in Table 4.6, with them both being within current observational bounds [40]. 

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