Regge Trajectories with Square-Root Branch Points and Their Regge Cuts

J. B. Bronzan and M. L. Goldberger
Phys. Rev. D 8, 3510 – Published 15 November 1973

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 α(0)=1 only if certain couplings vanish at t=0.

  • Received 15 June 1973

DOI:https://doi.org/10.1103/PhysRevD.8.3510

©1973 American Physical Society

Authors & Affiliations

J. B. Bronzan

  • Department of Physics, Rutgers University, New Brunswick, New Jersey 08903

M. L. Goldberger

  • Joseph Henry Laboratories, Princeton University, Princeton, New Jersey 08540

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Vol. 8, Iss. 10 — 15 November 1973

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