CLAS physics database search results Measurement E216M484 CLAS12 Run Group A Krishna Chandra 2018 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 9 1.88917 0.0939327 0.20189014 27 1.52424 0.0610032 0.13814166 45 1.41174 0.0403454 0.11246221 63 1.21212 0.0400925 0.09451354 81 1.04303 0.0341338 0.08475546 99 0.949811 0.0229072 0.07231625 117 0.808902 0.0206655 0.06234492 135 0.815214 0.0284722 0.06731373 153 0.843718 0.032266 0.08517628 171 1.32489 0.0824826 0.18917202