CLAS physics database search results Measurement E159M151 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.336394 6.28059 1.00669 0.390904 10.6798 1.62263 0.445413 11.2929 1.65352 0.499922 10.7106 1.56893 0.55443 11.2271 1.68407 0.60894 12.2333 1.81718 0.663449 14.0558 2.06073 0.717957 14.7528 2.13411 0.772467 14.7598 2.1763 0.826976 7.79636 1.16901