CLAS physics database search results Measurement E151M1953 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 78 0.0796 0.4012 0.0375 0.55 78 -0.5557 0.4266 0.048 0.65 270 0.9399 2.0139 0.0914 0.75 258 4.5933 2.1642 0.4232 0.75 270 0.3152 2.2863 0.0417 0.85 114 0.7512 3.7173 0.0753 0.85 126 1.3135 2.6929 0.1244 0.85 138 -1.3863 3.3205 0.1309 0.85 150 -3.978 3.3779 0.3668 0.95 126 -4.314 9.0354 0.3976 0.95 138 -5.4101 9.3875 0.4981 0.95 150 8.6608 2.0712 0.1523 0.95 162 9.412 7.9936 0.8655 0.55 270 -0.2728 0.5322 0.0349 0.65 90 -0.1529 0.5136 0.0316 0.65 270 0.4512 0.4982 0.042 0.75 246 0.4414 0.5196 0.0415 0.75 258 0.02 0.4584 0.03 0.75 270 -0.0086 0.4559 0.03 0.85 126 -0.9194 0.4968 0.0669 0.85 138 0.2171 0.5084 0.0332 0.85 150 -0.7483 0.6388 0.0572 0.85 246 0.0205 0.5268 0.03 0.85 258 0.1515 0.4749 0.0316 0.95 114 -1.7214 0.8737 0.1159 0.95 126 0.0212 0.9732 0.03 0.95 150 1.0958 0.7674 0.0773 0.95 162 -1.0667 0.8678 0.0756 0.95 174 -1.0546 1.0504 0.0749 0.95 186 -0.8757 1.0032 0.0644