Study for the Ω – N Interaction Through Ω Photoproduction Near the Threshold

The total cross section has been measured for ω meson photoproduction on the proton for the center-of-mass energy \({\sqrt{s}}\) ranging from 1.69 to 1.75 GeV. Including the subthreshold region of ω photoproduction, a set of about 40 data points has been obtained with a fine energy step of 1–2 MeV. The data set enables us to deduce the ω-N scattering length.