CLAS physics database search results Measurement E21M3 g1c CLAS experiment K. Hicks 2006 cos(theta_K*) dsigma/dcos(theta K*) Data errors dimensionless nb nb -0.75 111.2 26.4 -0.35 137.6 33.9 -0.05 70.4 18.7 0.25 64.5 16.9 0.55 64.3 16.3 0.8 159.6 39.3