CLAS physics database search results Measurement E216M951 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0622439 0.00627936 0.00924438 54 0.0757351 0.00896734 0.00828948 90 0.0694806 0.00685684 0.00653291 126 0.0553463 0.0161475 0.00559586 162 0.0794077 0.00688106 0.00749388 198 0.0820306 0.00707477 0.00751011 234 0.0749305 0.00634205 0.00637731 270 0.0613861 0.00669398 0.00512173 306 0.0863718 0.0193728 0.01097847 342 0.107628 0.027456 0.02732788