CLAS physics database search results Measurement E151M2349 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.35 270 -0.5255 0.7863 0.0485 0.35 282 -0.8244 0.8223 0.0669 0.45 102 1.5678 0.6892 0.1176 0.45 126 -0.5406 0.9422 0.0494 0.45 270 0.1844 0.8411 0.0328 0.45 282 -0.0954 0.7111 0.0308 0.55 102 -0.528 0.6706 0.0486 0.55 114 0.6261 0.6437 0.0544 0.55 138 -0.486 0.8052 0.0463 0.55 270 -0.3427 0.785 0.039 0.55 294 -0.6358 0.7574 0.055 0.65 90 -0.306 0.8291 0.0373 0.65 102 0.5342 0.5962 0.049 0.65 114 0.4764 0.6691 0.0458 0.65 126 -0.5671 0.7858 0.0509 0.65 198 -0.8793 0.7773 0.0705 0.65 210 -0.3022 0.7879 0.0372 0.65 222 0.8922 0.7151 0.0713 0.65 234 -0.1942 0.9219 0.0331 0.65 282 -1.3424 0.7898 0.1019 0.65 294 -0.9383 0.5537 0.0744 0.75 78 -0.1704 0.6753 0.0324 0.75 90 1.7235 0.6616 0.1285 0.75 102 1.112 0.8622 0.086 0.75 114 -0.3684 0.6343 0.0402 0.75 126 -0.271 0.789 0.0359 0.75 138 1.0152 0.7981 0.0795 0.75 198 0.0079 0.7956 0.03 0.75 210 -0.1843 0.6817 0.0328 0.75 222 -1.1852 0.5291 0.091 0.75 234 -0.3849 0.6358 0.041 0.75 246 -0.2215 0.8011 0.034 0.75 258 -0.6227 0.8115 0.0542 0.75 282 0.1702 0.8128 0.0324 0.75 294 0.8105 0.6405 0.066 0.75 306 0.053 0.7233 0.0302 0.85 66 0.8689 0.6084 0.0698 0.85 78 0.2789 0.5655 0.0362 0.85 90 0.7621 0.5132 0.0629 0.85 102 -0.3699 0.752 0.0402 0.85 174 0.6913 0.8473 0.0584 0.85 186 0.556 0.7525 0.0503 0.85 198 -1.5804 0.5763 0.1185 0.85 210 0.0154 0.585 0.03 0.85 222 -0.393 0.5489 0.0414 0.85 234 -0.6695 0.5502 0.0571 0.85 246 0.8831 0.4862 0.0707 0.85 258 0.6724 0.7214 0.0573 0.85 270 -0.0348 0.8335 0.0301 0.95 78 -0.4724 0.7728 0.0455 0.95 90 1.5295 0.6533 0.1149 0.95 174 -0.6148 0.7815 0.0537 0.95 198 0.0275 0.6651 0.0301 0.95 210 -0.451 0.5828 0.0444 0.95 222 0.4831 0.6267 0.0461 0.95 234 -0.3401 0.6011 0.0388 0.95 246 0.1244 0.5143 0.0313 0.95 258 -0.6377 0.5489 0.0551 0.95 270 -0.1348 0.5624 0.0316