CLAS physics database search results Measurement E104M1 E-99-105 M. Garçon, M. Guidal, E. S. Smith 2007 Q^2 sigma Data errors GeV^2 nb nb 1.6 9.9 3.2 2 10.4 2.5 2.4 6.7 1.9 2.8 5.9 2.4 3.4 3.6 1.8