CLAS physics database search results Measurement E151M2373 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 138 -0.1351 1.0659 0.0316 0.45 270 -0.5562 1.0281 0.0503 0.45 282 -0.8007 1.0082 0.0654 0.55 102 0.2127 1.0797 0.0337 0.55 114 -0.0768 0.9772 0.0305 0.55 126 1.4996 0.9373 0.1128 0.55 198 -0.36 1.0386 0.0398 0.55 222 -2.6445 0.8248 0.1941 0.65 54 -0.7546 0.9477 0.0624 0.65 102 -0.7177 1.0262 0.0601 0.65 114 -0.3292 0.8201 0.0383 0.65 126 -0.2835 0.8623 0.0364 0.65 138 -1.3306 0.9768 0.101 0.65 186 -2.6615 0.9397 0.1953 0.65 198 -2.0237 0.7797 0.1498 0.65 210 -0.9779 0.8471 0.077 0.65 222 -1.0112 0.8767 0.0792 0.65 234 -1.3794 0.9892 0.1044 0.65 282 -0.1081 0.7674 0.031 0.65 294 -0.8747 0.773 0.0702 0.75 90 -1.8453 0.9394 0.1371 0.75 102 -1.2281 0.8923 0.094 0.75 114 -0.9069 0.9398 0.0723 0.75 126 0.0977 1.1228 0.0308 0.75 186 -1.5114 1.0449 0.1136 0.75 198 -0.3777 0.9628 0.0406 0.75 210 -0.1058 0.7636 0.031 0.75 222 -2.1005 0.6284 0.1552 0.75 234 -1.6827 0.8573 0.1257 0.75 270 -0.5813 0.9366 0.0517 0.75 282 0.0429 0.8183 0.0302 0.75 294 -0.1992 0.8134 0.0333 0.85 78 -0.125 1.0229 0.0313 0.85 90 -0.8101 0.6218 0.066 0.85 102 0.6013 0.7178 0.0529 0.85 114 -0.2192 0.8321 0.0339 0.85 126 0.2736 1.0827 0.036 0.85 174 -0.1406 0.9232 0.0317 0.85 186 -0.6912 0.7911 0.0584 0.85 198 -0.7492 0.6819 0.0621 0.85 210 -0.3579 0.604 0.0397 0.85 222 -0.7548 0.6485 0.0624 0.85 234 -0.2701 0.6421 0.0358 0.85 246 0.2222 0.8729 0.0341 0.85 258 -2.0139 0.8349 0.1491 0.85 270 1.1711 0.9269 0.0901 0.95 102 1.005 0.8021 0.0788 0.95 174 -1.5923 1.036 0.1193 0.95 198 -1.0465 0.7883 0.0816 0.95 210 0.1323 0.7155 0.0315 0.95 222 0.4443 0.7 0.044 0.95 234 -0.574 0.7149 0.0513