CLAS physics database search results Measurement E62M542 E-94-005 CLAS experiment L. Elouadrhiri 2006 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcbn/GeV mcbn/GeV 0.2764 17.821545 9.5911875 0.31092 70.853683 12.049875 0.34544 61.577652 8.771122 0.37995 34.33688 5.2220159 0.41447 1.0962787 0.39311537