CLAS physics database search results Measurement E1M141 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 8.6202192 3.0877562 27 4.7545819 1.5258734 45 7.4028993 1.837564 63 9.3819151 2.6613901 81 6.9928269 1.2263556 98.99999 8.0584354 1.0072205 117 8.6798744 1.8370516 135 6.0274739 0.91998893 153 7.1768608 1.6650484 171 6.2276525 1.5920942