CLAS physics database search results Measurement E102M141 E-89-039 S. Dytman, K. Giovanetti 2007 cos(theta) dsigma/dOmega_T+epsilon*dsigma/dOmega_L Negative uncertainty Positive uncertainty Systematic errors dimensionless mcbn/srad mcbn/srad mcbn/srad mcbn/srad -0.8 0.135 0.015 0.015 0.009 -0.4 0.113 0.027 0.027 0.005 0.4 0.075 0.031 0.031 0.017 0.8 0.019 0.015 0.015 0.004