CLAS physics database search results Measurement E151M2365 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.65 102 -0.5972 1.0325 0.0527 0.65 114 -0.1299 1.0675 0.0314 0.65 138 1.1647 0.8647 0.0896 0.65 222 1.5438 0.9946 0.1159 0.75 78 1.2371 0.7461 0.0946 0.75 114 0.8562 0.9378 0.069 0.75 186 -0.249 0.9976 0.035 0.75 198 -0.5749 0.961 0.0514 0.75 210 -2.9812 2.9812 0.2182 0.75 234 0.0492 1.0098 0.0302 0.75 246 1.5241 0.8233 0.1145 0.85 66 -0.62 0.8283 0.054 0.85 78 -2.0109 0.8589 0.1489 0.85 90 0.7575 0.8643 0.0626 0.85 102 -1.2521 0.9537 0.0956 0.85 186 -0.1516 1.0535 0.032 0.85 198 0.8331 0.8254 0.0674 0.85 210 -0.7286 0.7841 0.0608 0.85 222 0.3011 0.7151 0.0371 0.85 234 0.7892 0.7085 0.0646 0.85 246 -1.0777 0.9047 0.0837 0.85 258 0.4216 0.9963 0.0428 0.95 186 0.8635 0.8486 0.0694 0.95 198 1.3232 0.663 0.1005 0.95 210 0.8188 0.9169 0.0665 0.95 222 -0.897 0.7234 0.0716 0.95 234 0.2025 0.7892 0.0334 0.95 246 -0.8995 0.6898 0.0718 0.95 258 0.3517 0.706 0.0394 0.95 270 0.6867 0.7465 0.0581 0.95 282 0.5452 0.7711 0.0496