CLAS physics database search results Measurement E62M635 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Stat. error deg mcbn/rad mcbn/rad 17.99999 0.62320316 0.15447208 54 1.1743213 0.23360036 90 2.2281973 0.81252027 126 1.4442753 0.32056791 162 1.4366728 0.17619988