CLAS physics database search results Measurement E159M187 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.341394 4.03474 0.664178 0.405903 7.63401 1.17657 0.470412 9.538 1.4602 0.534922 10.4147 1.53688 0.599431 10.8855 1.59938 0.66394 12.9965 1.88598 0.728449 17.5323 2.57855 0.792958 14.3974 2.07023 0.857467 10.2081 1.56112 0.921976 3.77974 0.619329