CLAS physics database search results Measurement E213M566 E1-6, 2025 R.W. Gothe, A. Trivedi 2001 M(pi+,pi-) dsigma/dM(pip pim) Stat. error Syst. error Total error GeV mcb/GeV mcb/GeV mcb/GeV mcb/GeV 0.301733 0.4895 0.061 0.1548 1.8675 0.346918 3.9309 0.2515 0.8288 1.174 0.392102 6.7293 0.3877 1.256 1.7846 0.437287 5.8395 0.3372 1.091 1.5473 0.482472 6.7065 0.3787 1.1696 1.6534 0.527657 7.3308 0.4137 1.1898 1.6854 0.572842 6.7433 0.401 1.1023 1.558 0.618027 8.7648 0.4641 1.385 1.4607 0.663211 9.0404 0.51 1.3906 1.9733 0.708396 13.0097 0.7825 1.9508 2.76 0.753581 14.3444 0.7332 1.7758 2.5166 0.798766 9.1244 0.3953 1.1038 1.562 0.843951 4.3298 0.2025 0.4833 2.2549 0.889136 0.6016 0.0674 0.073 0.6776