CLAS physics database search results Measurement E216M452 CLAS12 Run Group A Krishna Chandra 2018 M(pi+,pi-) dsigma/dM(pip pim) Stat. error Syst. error GeV mcbn/GeV mcbn/GeV mcbn/GeV 0.30084 0.494604 0.158781 0.13044517 0.344239 2.89348 0.0656474 0.28699731 0.387638 3.74328 0.216577 0.46804604 0.431037 4.52015 0.197089 0.51608486 0.474436 3.90515 0.132471 0.49014919 0.517835 4.28452 0.12647 0.51340893 0.561234 3.87982 0.108616 0.39151295 0.604634 3.95871 0.107528 0.39650066 0.648033 4.07517 0.107517 0.32573303 0.691432 4.55266 0.101722 0.35877761 0.734831 5.62 0.137758 0.41584928 0.77823 5.12419 0.144269 0.37997585 0.821629 4.20901 0.0858213 0.37837382 0.865028 0.915477 0.184018 0.08488515