CLAS physics database search results Measurement E1M159 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 M(pi+,pi-) dsigma/dM(pip pim) Stat. error GeV mcbn/GeV mcbn/GeV 0.28777 4.9455242 1.8272558 0.34503 20.06889 4.3375854 0.40229 25.276119 5.6364198 0.45955 22.161123 10.307505 0.51681 31.624123 8.3375692 0.57406 25.375874 4.7847457 0.63132 25.078289 5.858315 0.68858 36.263565 6.8049994 0.74584 28.224998 4.9035087 0.8031 5.4025936 1.3770643