CLAS physics database search results Measurement E159M268 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.332144 4.83766 0.772431 0.358153 6.64352 1.00355 0.384163 8.49432 1.24858 0.410172 11.7265 1.69323 0.436181 12.2838 1.70005 0.46219 15.0255 2.1126 0.488199 16.9933 2.36029 0.514208 16.4013 2.23482 0.540217 15.3211 2.19431 0.566226 9.09897 1.32248