CLAS physics database search results Measurement E159M133 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.333894 9.9326 1.507 0.383403 14.0941 2.0801 0.432912 12.5073 1.83157 0.482421 13.3374 1.90825 0.531931 14.2088 2.07506 0.581439 14.5118 2.10754 0.630948 16.7618 2.4096 0.680457 18.9091 2.6938 0.729966 17.6276 2.43509 0.779475 11.3018 1.59463