CLAS physics database search results Measurement E151M1854 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 66 -0.5571 0.859 0.0452 0.35 294 -0.1772 0.9023 0.0319 0.45 282 1.1798 0.794 0.0775 0.55 114 -1.0946 0.9142 0.0728 0.55 270 0.1679 0.901 0.0317 0.55 282 0.4182 0.7688 0.0393 0.65 114 0.0586 0.6854 0.0302 0.65 126 -0.4256 0.9044 0.0396 0.65 222 -0.6397 0.6374 0.049 0.65 234 -0.0525 0.7169 0.0302 0.65 246 -1.0941 0.7393 0.0728 0.65 294 -1.5393 0.6755 0.098 0.75 102 1.7156 0.6464 0.1082 0.75 114 0.0514 0.7211 0.0302 0.75 126 -0.1196 0.805 0.0309 0.75 138 0.4335 0.8123 0.0399 0.75 210 -0.0804 0.8042 0.0304 0.75 222 -0.0609 0.8517 0.0302 0.75 234 0.0157 0.6669 0.03 0.75 246 1.2123 0.5836 0.0793 0.75 258 -0.4752 0.6835 0.0416 0.85 78 0.6301 0.8727 0.0486 0.85 90 0.3271 0.7106 0.036 0.85 114 0.1929 0.9018 0.0322 0.85 138 0.0088 0.803 0.03 0.85 210 0.4279 0.7422 0.0397 0.85 222 -0.1938 0.6539 0.0322 0.85 234 -0.3014 0.5741 0.0351 0.85 246 -0.4195 0.7494 0.0393 0.85 258 0.1982 0.5998 0.0323 0.95 90 -0.2161 0.7369 0.0327 0.95 198 1.5901 0.6811 0.1009 0.95 222 -0.036 0.8208 0.0301 0.95 246 0.052 0.6118 0.0302 0.95 258 0.5722 0.6171 0.0459 0.95 270 -0.2479 0.6003 0.0335