CLAS physics database search results Measurement E216M916 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 0.145794 0.0461134 0.03347864 27 0.16722 0.0350224 0.02698958 45 0.107656 0.0360453 0.01604536 63 0.0984074 0.0149469 0.00975132 81 0.113974 0.0230991 0.01894183 99 0.105523 0.0132017 0.015712 117 0.0686792 0.00879688 0.0091209 135 0.0628426 0.027827 0.01147944 153 0.0713034 0.0173926 0.01655046 171 0.0899853 0.0219092 0.01442789