arXiv:hep-ph/9508396·v1·High Energy Physics — Phenomenology
Photoproduction of the Etas near Threshold
Nimai C. Mukhopadhyay🇺🇸 · J.-F. Zhang🇺🇸 · M. Benmerrouche🇨🇦
Abstract
We extract a parameter , a characteristic product of the strong and electromagnetic amplitudes for the N^*(1535), to be (2.20+-0.15) in unit of 10^(-4)MeV^(-1) from the new data on photoproduction of etas off proton.
Comments: will be published in Phys. Rev. Lett