The Reaction $\gamma p \to p \omega \pi^+ \pi^-$ for Photon Energies of 25-{GeV} - 50-{GeV}

The Omega Photon collaboration Atkinson, M. ; Axon, T.J. ; Barberis, D. ; et al.
Nucl.Phys.B 229 (1983) 269-283, 1983.
Inspire Record 189045 DOI 10.17182/hepdata.33921

Measurements of the reaction γ p → p ωπ + π − are reported for photon energies 25–50 GeV. Particular attention is paid to ωπ + π − masses < 2 GeV. A search is made for ω′ or φ′ partners of the ϱ′(1600). Evidence is presented against the existence of narrow states and against the production of a broad state by an s -channel helicity conserving mechanism.

1 data table

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