CLAS physics database search results Measurement E151M865 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.55 282 -0.0668 0.7331 0.0306 0.65 114 -0.6278 0.8487 0.0652 0.65 234 1.0893 0.9517 0.1049 0.75 102 1.6541 1.0913 0.1556 0.75 114 -0.9356 0.8762 0.0914 0.75 126 -0.8184 0.9141 0.0813 0.75 138 -2.4032 0.6527 0.2238 0.75 222 -0.4956 0.8917 0.0547 0.75 234 0.0819 0.8309 0.0309 0.85 78 -0.9335 0.9511 0.0912 0.85 90 -2.2263 0.874 0.2076 0.85 234 2.7531 0.9301 0.2559 0.85 246 -0.4434 0.9335 0.0507 0.95 210 3.2149 2.8519 0.2982 0.35 66 -0.25 0.6233 0.0342 0.35 78 0.1326 0.61 0.0312 0.35 282 0.1724 0.6109 0.0321 0.55 282 -0.3149 0.6326 0.0364 0.65 102 -0.9682 0.5472 0.0703 0.65 114 0.724 0.6763 0.0562 0.65 126 -1.0366 0.6279 0.0743 0.65 138 0.5416 0.7832 0.0465 0.65 294 1.0473 0.7218 0.075 0.75 114 -0.249 0.6731 0.0342 0.75 126 -0.4716 0.7473 0.0431 0.75 138 -1.6059 0.5878 0.1096 0.75 210 0.9317 0.8346 0.0681 0.75 222 1.9139 0.7049 0.1291 0.75 234 0.8295 0.7649 0.0622 0.75 246 0.5864 0.8087 0.0488 0.85 78 -0.4511 0.6778 0.0421 0.85 126 -0.0891 0.8353 0.0306 0.85 210 0.5594 0.8822 0.0474 0.85 222 1.2671 0.7478 0.0884 0.85 234 -0.4163 0.7076 0.0406 0.85 246 2.3361 0.6717 0.1562 0.85 258 0.1376 0.8412 0.0313 0.95 210 -0.9071 1.3026 0.0667 0.95 222 1.1192 1.3625 0.0793 0.95 246 0.085 1.1193 0.0305 0.95 258 0.6871 1.2593 0.0542 0.95 270 1.9689 1.1851 0.1326