Abstract
The difference of inclusive cross sections constrains the ω-baryonium mixing angle t ≈ 0 to the range 0 to 15°, whereas supplementing it with the total cross section difference constrains it to the range 0 to 5°. Analogous constraints on the ω- φ mixing angle are poor. However, the pp → pp( φ, ω) cross section ratio seems to constrain it in range −20 to −35°.
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