Phys. Rev. Lett. 35, 16161619 (1975); DOI: 10.1103/PhysRevLett.35.1616

Photoproduction of the Psi(3100) Meson at 11 GeV

B. Gittelman, K. M. Hanson, D. Larson, E. Loh, A. Silverman, and G. Theodosiou
Cornell University

Abstract

The photoproduction of the psi(3100) meson from a beryllium target has been measured using an 11.8-GeV bremsstrahlung beam. The energy and angular dependence of the measured spectra may be obtained from an elastic nucleon cross section of the form d sigma / dt = (1.010.20)exp[(1.250.20)t] nb/GeV^2. This cross section is exceedingly small in comparison with those of the other vector mesons.

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