CLAS physics database search results Measurement E151M2007 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.75 78 1.2793 1.4784 0.1213 0.75 90 2.3846 1.2565 0.2212 0.75 102 3.5065 1.4296 0.3236 0.75 246 0.4369 1.2469 0.0501 0.75 258 1.0696 1.2592 0.1028 0.75 270 0.5872 1.0549 0.0617 0.75 282 1.5333 1.2694 0.1441 0.85 90 1.6251 1.6906 0.1523 0.85 102 0.2625 1.7127 0.0385 0.85 114 -0.5989 1.681 0.0627 0.85 258 1.0651 1.2623 0.1024 0.85 270 0.9489 1.2935 0.0922 0.85 282 -0.5015 1.4172 0.055 0.85 294 -0.5757 1.2692 0.0608 0.95 90 8.6531 4.3183 0.7958 0.95 102 -2.9097 4.8008 0.2691 0.95 282 1.849 3.4681 0.1726 0.95 294 2.9944 3.9018 0.2768 0.65 90 1.7913 0.6213 0.1203 0.65 102 0.379 0.7128 0.0388 0.65 258 0.8192 0.685 0.0612 0.75 90 -0.6224 0.6794 0.0504 0.75 102 0.4219 0.6585 0.0407 0.75 246 0.3121 0.6646 0.0362 0.75 258 0.3887 0.6811 0.0392 0.75 270 -0.5672 0.743 0.0476 0.75 282 0.3287 0.5641 0.0368 0.75 294 0.0815 0.7313 0.0305 0.85 90 -0.2619 0.7194 0.0345 0.85 102 1.1356 0.727 0.0797 0.85 138 0.531 0.7916 0.0458 0.85 222 0.2815 0.8104 0.0351 0.85 234 1.3269 0.6983 0.0914 0.85 246 -0.5612 0.8885 0.0473 0.85 258 0.7041 0.682 0.0548 0.85 270 -0.2277 0.745 0.0335 0.85 282 0.6707 0.5859 0.0529 0.85 294 -0.2748 0.5968 0.0349 0.85 306 0.0148 0.687 0.03 0.95 258 0.602 1.2158 0.0493 0.95 282 -0.4396 0.9347 0.0414 0.95 294 0.8707 1.0558 0.0641 0.95 306 0.5309 1.0863 0.0457