CLAS physics database search results Measurement E159M52 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.322645 9.56075 1.59408 0.349654 11.4203 1.92522 0.376662 13.0776 2.00018 0.403672 16.9797 2.54352 0.430681 14.8676 2.22396 0.45769 18.2417 2.60303 0.484699 17.9105 2.53842 0.511708 16.4665 2.45161 0.538717 16.9305 2.4077 0.565726 11.846 1.74987