CLAS physics database search results Measurement E1M790 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 11.6945 2.139051 27 9.7462797 0.98504841 45 8.1801853 0.72955054 63 7.6779332 0.54853332 81 8.1719227 0.58162528 98.99999 7.63517 0.43067324 117 7.4127808 0.43525264 135 7.7550192 0.73764908 153 7.2319055 0.9292298 171 6.6090946 0.14661396