CLAS physics database search results Measurement E159M503 E1-6 V. Burkert 2001 M(pi+,p) dsigma/dM(pip pr) Stat. error GeV mcb/GeV mcb/GeV 1.09634 0.347985 0.12024 1.13335 1.96022 0.412709 1.17036 7.88997 1.30404 1.20737 13.1944 2.01712 1.24438 11.0117 1.64526 1.28139 8.69416 1.37599 1.3184 4.51122 0.77511 1.35541 3.56761 0.674297 1.39242 1.5324 0.312492 1.42943 0.768593 0.201007