CLAS physics database search results Measurement E151M672 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.35 30 0.2529 0.7721 0.0338 0.35 66 -0.1597 0.7432 0.0316 0.35 78 -0.3391 0.705 0.0365 0.35 270 0.3284 0.7866 0.0361 0.45 78 -0.6279 0.6352 0.0487 0.45 90 -0.3183 0.8022 0.0358 0.45 258 0.3029 0.7299 0.0353 0.45 270 0.2558 0.5896 0.0338 0.45 282 -0.1562 0.706 0.0315 0.45 294 -0.4995 0.6454 0.0428 0.55 78 -0.3142 0.7963 0.0356 0.55 90 -0.5221 0.6571 0.0438 0.55 102 -1.4909 0.6129 0.096 0.55 114 1.4252 0.8212 0.0922 0.55 138 0.3357 0.7294 0.0364 0.55 210 1.6455 0.7296 0.105 0.55 222 0.1716 0.7103 0.0318 0.55 246 1.051 0.8486 0.0709 0.55 258 -0.0428 0.6668 0.0301 0.55 270 1.0784 0.5926 0.0725 0.55 282 0.3752 0.6686 0.0378 0.65 78 0.2377 0.8288 0.0333 0.65 114 1.2905 0.849 0.0844 0.65 126 -1.3888 0.4747 0.0901 0.65 138 -0.7697 0.5933 0.0558 0.65 150 -0.7341 0.7168 0.054 0.65 198 -0.1869 0.7874 0.0321 0.65 210 1.0171 0.7855 0.0691 0.65 222 1.1399 0.7558 0.0759 0.65 234 -0.1445 0.6405 0.0313 0.65 258 0.4096 0.7789 0.0391 0.65 282 1.4177 0.6682 0.0918 0.65 294 1.2828 0.779 0.084 0.75 66 -0.1059 0.7185 0.0307 0.75 78 0.4237 0.7407 0.0396 0.75 102 -1.9515 0.4726 0.1231 0.75 126 0.032 0.7455 0.0301 0.75 138 -0.3101 0.7507 0.0355 0.75 198 1.1626 0.8442 0.0772 0.75 210 0.2731 0.5946 0.0343 0.75 222 -0.7999 0.5157 0.0574 0.75 234 0.7338 0.6898 0.054 0.75 258 -0.3628 0.7764 0.0373 0.75 270 -0.2368 0.5721 0.0333 0.75 282 -0.0344 0.5394 0.0301 0.75 294 0.2107 0.7221 0.0326 0.85 102 1.4184 0.8935 0.0918 0.85 114 -0.6658 0.5762 0.0506 0.85 138 -1.5414 0.5611 0.0989 0.85 198 1.7459 0.771 0.1109 0.85 210 0.0686 0.5869 0.0303 0.85 222 -0.0401 0.5433 0.0301 0.85 234 1.1 0.7221 0.0737 0.85 246 0.6278 0.7317 0.0487