CLAS physics database search results Measurement E159M250 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.329645 7.05738 1.10964 0.350653 9.82445 1.48289 0.371662 9.9773 1.44765 0.392671 13.1602 2.0534 0.41368 14.7289 2.25447 0.434689 14.7651 2.14563 0.455698 18.8279 2.66743 0.476707 19.3494 2.74747 0.497716 18.4189 2.53098 0.518725 17.8008 2.59432