CLAS physics database search results Measurement E1M89 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 M(pi+,pi-) dsigma/dM(pip pim) Stat. error GeV mcbn/GeV mcbn/GeV 0.28027 4.5551939 1.5941443 0.32253 15.429278 4.7465181 0.36479 32.464016 12.587756 0.40705 27.751438 9.2694578 0.44931 46.428146 18.515291 0.49156 23.832516 5.0153565 0.53382 38.629265 9.5906391 0.57608 29.066389 7.0222478 0.61834 33.218727 5.2956634 0.6606 3.9333 1.2588948