CLAS physics database search results Measurement E46M86 N/A 0 Q^2 sigma_TT Data errors GeV2 mcb mcb 2.05 -0.023421 0.491531 2.35 0.391828 0.242429 2.65 0.138955 0.254362 2.95 0.271196 0.230277 3.295 0.07124 0.233716