CLAS physics database search results Measurement E62M767 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Stat. error deg mcbn/rad mcbn/rad 12.85715 2.7571058 1.2697227 38.57143 5.1246409 0.79904264 64.28571 7.1649427 1.1687516 90 8.362052 1.4707996 115.71429 6.7900333 0.7723273 141.42857 4.7802787 0.85475922 167.14285 8.9087667 1.7938631