CLAS physics database search results Measurement E151M2318 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.35 78 -0.6544 1.0398 0.0561 0.35 282 0.2551 1.0537 0.0352 0.45 270 0.7724 0.8006 0.0635 0.45 282 -0.671 1.0087 0.0572 0.55 114 -0.3398 0.9427 0.0388 0.55 126 2.6205 0.7214 0.1924 0.55 138 -1.2207 0.8615 0.0935 0.55 270 -0.6474 0.7771 0.0557 0.55 282 -1.2377 0.912 0.0946 0.65 66 -1.479 0.8748 0.1114 0.65 102 -0.5929 0.9031 0.0524 0.65 114 0.0147 0.9621 0.03 0.65 126 -0.3151 0.7927 0.0377 0.65 138 -0.5119 1.0049 0.0477 0.65 150 0.2691 1.0295 0.0358 0.65 210 0.5396 0.8485 0.0493 0.65 222 -0.8682 0.662 0.0697 0.65 234 0.6867 1.0288 0.0581 0.65 294 -1.0974 0.8409 0.085 0.75 90 -1.7816 0.7757 0.1326 0.75 102 -0.5257 0.9532 0.0485 0.75 114 0.2827 0.7698 0.0363 0.75 126 0.1272 0.7437 0.0314 0.75 138 0.2808 0.8702 0.0363 0.75 198 -2.7025 0.7258 0.1982 0.75 210 1.7436 0.9198 0.1299 0.75 222 0.1449 0.8028 0.0318 0.75 234 -0.1795 0.8314 0.0327 0.75 246 -0.9037 1.0372 0.0721 0.75 282 1.462 0.8253 0.1102 0.75 294 0.0766 0.8495 0.0305 0.85 90 -0.5526 0.6655 0.0501 0.85 102 0.0233 0.8226 0.03 0.85 114 1.5056 0.8698 0.1132 0.85 186 1.8168 0.8253 0.1351 0.85 198 -1.5958 0.7087 0.1195 0.85 210 -0.601 0.8012 0.0529 0.85 222 0.6253 0.6834 0.0544 0.85 234 -1.2261 0.648 0.0938 0.85 246 -0.021 0.8292 0.03 0.85 282 -0.7758 0.9471 0.0638 0.95 234 -0.6671 0.7843 0.0569 0.95 246 0.9902 0.8806 0.0778