CLAS physics database search results Measurement E159M538 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.339644 8.79633 1.58606 0.380654 9.23908 1.57317 0.421663 11.5152 1.97299 0.462671 10.9548 1.72668 0.503681 10.3199 1.55714 0.544689 8.67169 1.27165 0.585698 10.4102 1.52577 0.626707 8.90099 1.26634 0.667717 10.4515 1.76687 0.708726 6.55933 0.946935