CLAS physics database search results Measurement E151M1161 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.55 102 -0.3502 0.8993 0.0394 0.55 114 -0.2038 0.8563 0.0335 0.55 126 -0.6152 0.9117 0.0541 0.55 198 0.4735 0.9924 0.0458 0.55 258 0.1857 0.943 0.0329 0.55 270 1.3002 0.9387 0.0997 0.65 114 -0.3374 0.8835 0.0388 0.65 126 -0.1713 0.7333 0.0325 0.65 138 -0.3499 0.9506 0.0394 0.65 174 0.7936 1.0718 0.0653 0.65 186 1.791 1.04 0.1343 0.65 198 -0.6929 0.7926 0.0589 0.65 210 0.9613 0.8915 0.0764 0.65 270 1.0982 1.0412 0.0857 0.65 282 -0.6053 0.6938 0.0535 0.75 90 1.0068 1.0285 0.0795 0.75 102 1.656 1.0195 0.1247 0.75 114 -1.6028 0.6419 0.1209 0.75 126 1.0495 1.0317 0.0824 0.75 186 -0.8094 0.6999 0.0663 0.75 198 -0.2526 0.7118 0.0352 0.75 210 -0.5118 0.8228 0.048 0.75 222 0.2161 0.7789 0.0339 0.75 234 -0.1163 0.8384 0.0312 0.75 270 -0.1763 0.6513 0.0326 0.75 282 -1.4521 0.5376 0.1103 0.85 90 0.5164 0.9696 0.0482 0.85 102 -0.2939 0.579 0.0369 0.85 114 -1.2009 0.5035 0.0928 0.85 126 1.3772 0.9612 0.105 0.85 138 -0.9618 0.8104 0.0764 0.85 174 -0.6341 0.7854 0.0552 0.85 186 0.167 0.6518 0.0324 0.85 198 -0.4482 0.667 0.0444 0.85 210 0.535 0.6956 0.0493 0.85 222 0.0336 0.6411 0.0301 0.85 234 -0.9408 0.7151 0.075 0.85 270 -0.5735 0.6844 0.0515 0.85 282 0.4065 0.9078 0.0422 0.95 198 -0.3099 0.86 0.0376 0.95 210 -0.2323 0.7536 0.0345