Abstract

We discuss branch points in the complex angular momentum plane formed by two Regge poles on trajectories with square-root branch points at $t=0$. We find several new cuts which collide with the expected Mandelstam cuts at $t=0$. In the bootstrap of the Pomeranchon pole, the collection of cuts has the same effect as in the case of linear trajectories: The Pomeranchon can have $\ensuremath{\alpha}(0)=1$ only if certain couplings vanish at $t=0$.

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