CLAS physics database search results Measurement E151M1140 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.45 114 -1.874 0.5611 0.1402 0.45 282 1.1552 0.861 0.0896 0.55 42 -0.6506 0.7238 0.0562 0.55 102 -0.4038 0.7814 0.0421 0.55 114 0.0797 0.7918 0.0306 0.55 126 -0.0451 0.8866 0.0302 0.55 270 0.1532 0.6956 0.032 0.65 102 -0.9324 0.6288 0.0745 0.65 114 0.777 0.7912 0.0642 0.65 138 0.0772 0.9205 0.0305 0.65 186 -0.6563 0.83 0.0566 0.65 198 -0.5142 0.6853 0.0481 0.65 210 0.0933 0.8681 0.0308 0.65 222 1.2533 0.9096 0.0964 0.65 234 2.9473 2.9473 0.2175 0.65 282 1.316 0.9149 0.1008 0.65 294 -0.9474 0.5397 0.0755 0.75 78 -0.1175 0.7183 0.0312 0.75 90 -1.0115 0.6579 0.0798 0.75 102 0.0053 0.7661 0.03 0.75 114 -1.8171 0.4916 0.1362 0.75 126 -0.2776 0.7103 0.0362 0.75 186 2.1327 0.9694 0.1587 0.75 198 -0.4232 0.6181 0.0431 0.75 210 0.0166 0.7006 0.03 0.75 222 -0.2164 0.6608 0.0339 0.75 234 0.0353 0.6805 0.0301 0.75 246 0.1425 0.8732 0.0318 0.75 282 1.0663 0.7939 0.0835 0.75 294 0.3021 0.671 0.0372 0.75 306 1.1954 0.9133 0.0924 0.85 78 0.3563 0.519 0.0397 0.85 90 -0.57 0.5608 0.0513 0.85 102 -0.6631 0.5894 0.057 0.85 114 -0.1036 0.6959 0.0309 0.85 174 1.7006 0.9303 0.1279 0.85 186 -0.2987 0.6306 0.0371 0.85 198 1.0512 0.725 0.0825 0.85 210 0.8756 0.5753 0.0707 0.85 222 1.0001 0.6162 0.079 0.85 234 0.311 0.5287 0.0376 0.85 246 0.6913 0.6276 0.0588 0.85 258 -0.2522 0.7132 0.0352 0.95 102 -1.4417 0.5684 0.1096 0.95 114 -0.6566 0.7076 0.0566 0.95 162 -0.3484 0.783 0.0393 0.95 186 1.324 0.7252 0.1013 0.95 198 -0.2197 0.6061 0.034 0.95 210 0.8086 0.6748 0.0663 0.95 222 -0.5391 0.5004 0.0495 0.95 234 0.0188 0.5669 0.03 0.95 246 -0.4181 0.5569 0.0428 0.95 258 0.3322 0.6359 0.0386