CLAS physics database search results Measurement E159M97 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.328894 9.82474 1.50911 0.368403 13.73 2.02965 0.407913 15.0209 2.21775 0.447422 13.4689 1.97205 0.486931 15.8477 2.26859 0.52644 17.7575 2.55061 0.565949 16.1927 2.26582 0.605458 14.1198 1.9827 0.644967 15.6156 2.16483 0.684476 13.5768 1.92624