CLAS physics database search results Measurement E1M547 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 theta(pi+) dsigma/d(−cos(theta_pip)) Stat. error deg mcbn/rad mcbn/rad 9 12.797941 1.5774537 27 14.569679 2.2803888 45 14.418442 1.3905251 63 10.377962 0.55878597 81 9.1050701 0.41966087 98.99999 9.4995642 0.37601697 117 9.6325045 0.38327974 135 10.026187 0.6628744 153 12.476198 1.5910512 171 8.5076714 0.40411571