CLAS physics database search results Measurement E45M3 N/A 0 Q^2 sigma Data errors GeV2 mcb mcb 2.05 6.01491 0.843056 2.65 3.66406 0.514026 2.95 2.61253 0.366878 3.35 2.27695 0.319676 3.85 1.81581 0.255576 4.35 1.24132 0.175603