Photoproduction of the Etas near Threshold
Nimai C. Mukhopadhyay, J. -F. Zhang, M. Benmerrouche
Abstract
We extract a parameter ξ, 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.
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