CLAS physics database search results Measurement E151M1577 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 42 -0.2265 0.7127 0.0521 0.35 30 -1.4894 0.8935 0.0942 0.35 42 0.173 0.6922 0.0455 0.45 18 1.0553 0.6757 0.1007 0.45 30 -0.1789 0.6388 0.0665 0.45 42 1.1379 1.0006 0.0726 0.55 138 -0.3827 1.0442 0.0374 0.55 222 -0.1097 0.8674 0.0307 0.55 234 -0.0159 1.0047 0.03 0.55 246 2.9676 2.9676 0.1751 0.65 126 -2.3385 0.6965 0.1393 0.65 138 -1.2711 0.9451 0.0798 0.65 150 0.4275 1.1218 0.039 0.65 162 1.2644 0.9671 0.0794 0.65 210 -0.2575 1.0076 0.0335 0.65 222 -0.4745 0.9136 0.0408 0.65 234 -0.2493 0.6508 0.0333 0.65 246 0.5716 0.769 0.0448 0.65 258 -0.7544 1.1377 0.0531 0.75 126 -2.0858 0.6294 0.1249 0.75 138 -1.194 0.9834 0.0756 0.75 150 -0.3724 1.1927 0.037 0.75 162 0.8997 1.1171 0.0603 0.75 210 -0.4371 1.0577 0.0393 0.75 222 -0.1171 0.8581 0.0308 0.75 234 0.7204 0.7555 0.0515 0.75 246 -1.6518 0.6514 0.1006 0.75 258 -0.1922 0.8111 0.032 0.85 114 -0.877 1.1356 0.0592 0.85 126 1.6454 0.9138 0.1003 0.85 210 1.2541 0.9423 0.0789 0.85 222 -0.2339 0.7905 0.0329 0.85 234 -0.5876 0.7905 0.0455 0.85 246 1.0209 0.5744 0.0665 0.85 258 0.9118 0.8799 0.0609 0.95 222 0.9058 0.8044 0.0606 0.95 258 0.0983 0.7546 0.0305 0.45 246 -1.4616 0.8697 0.0926 0.55 138 1.3358 0.7877 0.0855 0.55 150 0.5997 0.8438 0.0468 0.55 222 -0.0244 0.7624 0.03 0.55 234 -0.5593 0.7466 0.045 0.55 246 0.0701 0.6665 0.0303 0.65 114 0.3314 0.8601 0.036 0.65 126 0.4127 0.76 0.0389 0.65 138 -0.1143 0.6487 0.0308 0.65 150 -0.1113 0.6808 0.0307 0.65 162 -0.245 0.7262 0.0334 0.65 222 -0.8215 0.6157 0.0577 0.65 234 -0.4095 0.615 0.0388 0.65 246 1.7023 0.6391 0.1063 0.65 258 0.0868 0.8582 0.0304 0.75 126 0.0275 0.6442 0.03 0.75 138 -0.3072 0.6509 0.0352 0.75 150 -0.8831 0.6855 0.0608 0.75 174 -0.2417 1.0049 0.0333 0.75 210 -0.6832 0.7973 0.0508 0.75 222 -0.9831 0.6112 0.0661 0.75 234 -0.4477 0.5982 0.0402 0.75 246 0.21 0.621 0.0325 0.75 258 0.097 0.6199 0.0306 0.85 114 0.8795 0.9184 0.0607 0.85 210 0.4584 0.8255 0.0407 0.85 222 -0.8154 0.7129 0.0573 0.85 234 0.1984 0.6712 0.0323 0.85 246 0.3683 0.6478 0.0372 0.85 258 -1.2459 0.6313 0.0805 0.85 270 -1.7388 0.7442 0.1084 0.95 126 0.5952 0.6464 0.0466 0.95 234 -0.9953 0.712 0.0668 0.95 246 -0.3094 0.6644 0.0353 0.95 258 0.464 0.6964 0.0409