CLAS physics database search results Measurement E159M25 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.318895 13.4971 2.29493 0.338403 14.2718 2.5217 0.357913 13.5418 2.26581 0.377421 14.5775 2.33358 0.39693 15.8151 2.50788 0.41644 19.9341 2.97811 0.435948 15.7964 2.39676 0.455458 14.2286 2.20233 0.474966 15.6476 2.41001 0.494476 16.9111 2.6863