CLAS physics database search results Measurement E216M661 CLAS12 Run Group A Krishna Chandra 2018 psi(pi-) dsigma/dpsi_pim Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0600819 0.00618795 0.01019485 54 0.0639597 0.00664091 0.00713246 90 0.0757056 0.00890517 0.00711496 126 0.0896293 0.00593232 0.0074226 162 0.0865013 0.00588393 0.0077142 198 0.104622 0.00705863 0.00868127 234 0.0915116 0.00601751 0.00713325 270 0.07967 0.00578028 0.00614577 306 0.0772695 0.0127382 0.00816518 342 0.0777905 0.0105512 0.01110988