CLAS physics database search results Measurement E216M150 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.495477 0.0185476 0.09562052 54 0.465395 0.0324558 0.07204221 90 0.364107 0.0134386 0.03605769 126 0.409071 0.0169563 0.03564474 162 0.437525 0.0170728 0.03882195 198 0.424447 0.0142351 0.03963798 234 0.390538 0.0176041 0.03931208 270 0.361164 0.0163976 0.04094177 306 0.458778 0.0296656 0.06091039 342 0.498701 0.0409854 0.09367908