CLAS physics database search results Measurement E151M1092 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.35 282 0.6585 0.9303 0.0567 0.55 102 -0.4659 0.7145 0.0454 0.55 126 -1.3775 0.6437 0.1051 0.55 294 -0.3564 0.8114 0.0397 0.55 306 1.487 0.8897 0.1127 0.65 90 0.2361 0.8161 0.0346 0.65 102 -0.4002 0.6822 0.0419 0.65 114 -0.883 0.626 0.0712 0.65 246 -0.2729 0.7598 0.036 0.65 294 0.566 0.9019 0.0511 0.65 306 -1.327 0.529 0.1015 0.75 54 -0.7568 0.7628 0.0629 0.75 66 0.9983 0.921 0.0789 0.75 90 -0.1052 0.8655 0.031 0.75 102 0.5969 0.672 0.0529 0.75 114 0.0753 0.641 0.0305 0.75 126 -0.6772 0.7528 0.0579 0.75 198 0.0207 0.8768 0.03 0.75 210 -0.0676 0.8205 0.0304 0.75 222 1.1709 0.9256 0.0907 0.75 234 0.828 0.7058 0.0675 0.75 246 0.5377 0.7819 0.0494 0.75 270 0.0471 0.8577 0.0302 0.85 54 -0.0157 0.7701 0.03 0.85 66 0.8048 0.651 0.066 0.85 78 0.0008 0.6543 0.03 0.85 90 -0.347 0.8298 0.0393 0.85 114 -1.0713 0.6042 0.0838 0.85 126 -1.5205 0.6535 0.1151 0.85 186 0.9253 0.8944 0.074 0.85 198 0.1012 0.772 0.0309 0.85 210 0.8288 0.7891 0.0676 0.85 222 0.9814 0.803 0.0778 0.85 234 0.6974 0.7718 0.0591 0.85 246 0.4248 0.6763 0.0432 0.85 258 0.5611 0.606 0.0508 0.85 270 -0.3989 0.5278 0.0418 0.85 282 0.4729 0.7249 0.0458 0.95 78 -1.1922 0.6292 0.0922 0.95 198 0.4749 0.8615 0.0459 0.95 210 1.4378 0.819 0.1093 0.95 222 2.3143 0.7882 0.1718 0.95 234 1.2626 0.8181 0.097 0.95 246 -0.2218 0.6073 0.0341 0.95 258 1.1923 0.7393 0.0922 0.95 270 1.5093 0.5779 0.1143 0.95 282 1.0103 0.6565 0.0797 0.95 294 0.0426 0.5229 0.0302 0.95 306 0.6313 0.6354 0.055 0.95 318 -0.486 0.6707 0.0465