CLAS physics database search results Measurement E1M742 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 9.5649729 1.3935318 27 12.843977 1.2580506 45 12.457761 1.1901358 63 10.466181 0.78209227 81 10.158812 0.4614338 98.99999 11.132347 0.58702153 117 10.211949 0.5476011 135 10.687907 0.97701436 153 11.604354 1.1950792 171 8.2289362 0.41026503