Abstract
It is shown that the considerable resonance type enhancement due to the one-pion exchange is to be observed in the cross section of the γγ→ωω reaction near its threshold. The possible one-pion exchange part in the γγ→ρ0ω reaction is discussed, too.
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Achasov, N.N., Karnakov, V.A. & Shestakov, G.N. What can be discovered in the γγ→ωω reaction. Z. Phys. C - Particles and Fields 36, 661–663 (1987). https://doi.org/10.1007/BF01630603
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DOI: https://doi.org/10.1007/BF01630603