CLAS physics database search results Measurement E216M1006 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 0.495533 0.0674632 0.07544849 27 0.351931 0.0336511 0.03967481 45 0.366261 0.0461331 0.04697035 63 0.312485 0.0489162 0.06845858 81 0.231782 0.017104 0.02539483 99 0.17499 0.0232621 0.02189947 117 0.193785 0.0270549 0.02963351 135 0.161248 0.0175931 0.02531208 153 0.190212 0.0293445 0.02714733 171 0.169105 0.0300814 0.02820177