CLAS physics database search results Measurement E216M882 CLAS12 Run Group A Krishna Chandra 2018 theta(p) dsigma/d(−cos(theta_pr)) Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 9 0.185669 0.0245299 0.03280817 27 0.141142 0.0120646 0.01975397 45 0.1323 0.0102129 0.01798549 63 0.133717 0.0151412 0.01638173 81 0.172682 0.017511 0.01552356 99 0.236795 0.0143948 0.0248626 117 0.31773 0.0185697 0.04364497 135 0.361567 0.0242664 0.03410507 153 0.591462 0.0330723 0.04916673 171 0.707796 0.0569482 0.06543117