CLAS physics database search results Measurement E216M567 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 0.780918 0.0865229 0.14243917 27 0.707385 0.0457457 0.09056554 45 0.74495 0.0526039 0.08967305 63 0.905832 0.0613228 0.15002881 81 1.06541 0.0577306 0.10498483 99 1.10364 0.0344121 0.08548718 117 1.06485 0.0455412 0.08265601 135 0.909451 0.0350742 0.07253094 153 0.812305 0.051611 0.0756557 171 0.820692 0.0627498 0.07151086