CLAS physics database search results Measurement E216M700 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 0.520942 0.0529684 0.05483347 27 0.512113 0.0355822 0.04862104 45 0.53816 0.0336029 0.04748273 63 0.515362 0.027241 0.04784091 81 0.552789 0.0349837 0.04469342 99 0.444672 0.0183585 0.03827909 117 0.399936 0.0179248 0.03334425 135 0.40968 0.0183077 0.03660395 153 0.399888 0.0231121 0.06290048 171 0.436461 0.0375739 0.0430577