CLAS physics database search results Measurement E62M532 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 45 0.65617079 0.13677534 135 0.51103449 0.16790909 225 0.52973479 0.12461291 315 0.77479428 0.23089774