CLAS physics database search results Measurement E151M410 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.45 18 -0.5967 0.6811 0.0476 0.45 30 0.3727 0.7086 0.0378 0.45 42 -0.1168 0.6726 0.0309 0.55 138 -0.3704 0.6424 0.0378 0.55 150 -0.5379 0.6736 0.0448 0.55 222 1.0903 0.637 0.0739 0.55 234 0.4003 0.6251 0.0389 0.55 246 1.5125 0.6585 0.0983 0.65 138 -1.0181 0.5661 0.0698 0.65 150 -0.046 0.6417 0.0301 0.65 210 -0.1273 0.5868 0.031 0.65 222 1.2127 0.5564 0.0809 0.65 234 -0.1022 0.5621 0.0307 0.75 150 -0.5507 0.629 0.0454 0.75 162 -0.2656 0.7151 0.0342 0.75 222 -0.2715 0.592 0.0344 0.75 234 -0.1861 0.5322 0.0321 0.75 246 -0.6724 0.5157 0.0513 0.85 222 -0.2866 0.5475 0.0349 0.85 234 -0.1177 0.5672 0.0309 0.85 246 -0.2769 0.5208 0.0346 0.35 42 -1.1739 0.6008 0.0768 0.55 210 1.1726 1.1703 0.0767 0.55 222 1.0615 1.1739 0.0706 0.55 246 3.6379 3.6379 0.2211 0.65 126 0.5806 1.1072 0.0461 0.65 138 1.017 1.29 0.0682 0.65 162 1.9697 1.4665 0.1223 0.65 222 -1.1181 0.4928 0.0737 0.65 234 0.1488 0.7728 0.0313 0.65 246 0.4681 0.8446 0.0412 0.75 162 -0.2695 0.9019 0.0341 0.75 210 0.6421 1.2138 0.0489 0.75 222 1.3131 1.0906 0.0846 0.75 234 0.475 0.8406 0.0415 0.75 246 0.6295 0.8329 0.0483 0.85 210 0.0857 0.9719 0.0304 0.85 222 -0.5533 0.597 0.0448 0.85 234 1.2551 1.042 0.0813 0.85 246 1.5175 0.9641 0.0962 0.85 258 1.0764 1.0682 0.0714