CLAS physics database search results Measurement E151M2130 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 78 1.0737 1.079 0.1031 0.45 270 1.0232 0.9203 0.0987 0.55 222 0.5973 1.0931 0.0626 0.55 258 -1.0978 0.993 0.1053 0.55 270 0.3552 0.9216 0.0443 0.65 126 -0.0157 1.185 0.03 0.65 198 0.644 1.1662 0.0664 0.65 210 -2.9688 2.9688 0.2745 0.75 66 -0.1599 1.2263 0.0334 0.75 210 1.4692 1.2121 0.1383 0.75 234 1.4445 1.1216 0.1361 0.75 270 1.1556 1.026 0.1104 0.75 282 -0.774 0.891 0.0772 0.85 114 -0.1214 1.5075 0.032 0.85 210 -1.1254 1.0975 0.1077 0.85 222 0.4759 1.2848 0.053 0.35 78 -0.8194 0.6661 0.0612 0.45 270 -0.836 0.7394 0.0621 0.45 282 -0.9553 0.636 0.069 0.55 222 1.0405 0.8925 0.074 0.55 258 -0.7708 0.6675 0.0584 0.55 270 -0.8347 0.603 0.062 0.65 126 -0.4474 0.6179 0.0418 0.65 210 -1.3064 0.8052 0.0901 0.65 222 -0.4974 0.9023 0.0441 0.75 114 -1.1695 0.7875 0.0818 0.75 210 -1.1187 0.7532 0.0787 0.75 222 0.9898 0.8399 0.071 0.75 270 -0.5178 0.7782 0.0451 0.75 282 -0.7284 0.6363 0.0561 0.85 102 -0.4915 0.9188 0.0438 0.85 126 -1.9303 0.7328 0.1291 0.85 210 0.3337 0.8113 0.037 0.85 222 -1.1702 0.9517 0.0818