CLAS physics database search results Measurement E62M638 E-94-005 CLAS experiment L. Elouadrhiri 2006 M(pi+,pi-) dsigma/dM(pip pim) Stat. error GeV mcbn/GeV mcbn/GeV 0.2764 18.828814 6.4500055 0.31092 63.732265 13.198211 0.34544 56.125984 7.8455949 0.37995 32.002922 4.6941009 0.41447 1.0655359 0.31688833