Evidence for a narrow dip structure at 1.9 GeV/c$^2$ in $3pi^+ 3pi^- $ diffractive photoproduction


Abstract in English

A narrow dip structure has been observed at 1.9 GeV/c$^2$ in a study of diffractive photoproduction of the $~3pi^+3pi^-$ final state performed by the Fermilab experiment E687.

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