CLAS physics database search results Measurement E62M347 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 12.85715 4.6085558 0.82133067 38.57143 7.3836393 0.85901362 64.28571 11.261525 1.3888227 90 11.057048 0.8747775 115.71429 10.474113 0.78618628 141.42857 9.0258904 1.4567477 167.14285 10.161071 1.9769086