CLAS physics database search results Measurement E1M472 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 16.514717 2.07057 27 18.808617 1.8237034 45 17.887964 2.1956365 63 13.324003 0.70963585 81 12.75067 0.47162151 98.99999 13.090807 0.49359149 117 13.396467 0.50588036 135 14.029687 0.78604388 153 19.04351 1.8783412 171 11.417452 0.4767651