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Failure of Inelastic N/D Equations to Generate the rho Resonance

Authors
  • Tryon, E.P.
Publication Date
Oct 01, 1974
Identifiers
DOI: 10.1103/PhysRevD.12.759
OAI: oai:inspirehep.net:1635
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

The effective left cut of the ππ P wave is rigorously determined by comparing the usual partial-wave dispersion relation with a new dispersion relation of the kind derived by Roskies and Roy. A recent experimental result for the inelasticity below Mππ=1.9 GeV is inserted into the Frye-Warnock ND equations. The solutions are nonresonant, even when the inelasticity is increased by 50% over the experimental value. Because of the rigorous basis for the effective left cut, I conclude that the ρ resonance is not generated by forces in the ππ channel.

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