CLAS physics database search results Measurement E15M23 E99-105 M. Garçon, M. Guidal, E. S. Smith 2002 -t dsigma/dt Data errors GeV2 mcbn/GeV2 mcbn/GeV2 0.5606629 0.258662 0.0358717 0.85 0.1607471 0.02394571 1.15 0.1082648 0.01870885 1.45 0.06918491 0.01228226 1.75 0.03832457 0.01030455 2.3 0.03751332 0.006550307