CLAS physics database search results Measurement E159M169 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.338894 5.36085 0.862922 0.398403 9.46926 1.44087 0.457913 10.8703 1.63135 0.517421 10.0467 1.49801 0.57693 12.2828 1.82278 0.63644 14.0303 2.06111 0.695948 13.6412 1.9548 0.755457 17.5571 2.63252 0.814966 11.276 1.65808 0.874475 4.91098 0.76746