CLAS physics database search results Measurement E159M349 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.343394 10.2293 1.49076 0.391903 10.7467 1.51935 0.440412 10.641 1.53055 0.488921 12.4462 1.76714 0.53743 12.4247 1.77845 0.585939 13.7836 2.02975 0.634448 15.944 2.33025 0.682957 13.8419 1.91254 0.731466 12.8693 1.72541 0.779975 8.60892 1.25935