Possible Zero at a Wrong-Signature Sense Point on the Δ Trajectory
Frank S. Henyey, Gordon L Kane · Physical Review · 1969
We comment on the proposed vanishing of the $\ensuremath{\Delta}$ Regge trajectory residue at $\ensuremath{\alpha}\ensuremath{\Delta}=\frac{1}{2}$ giving experimental tests of this hypothesis and an interpretation of such a result.