CLAS physics database search results Measurement E151M1513 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 42 -0.8722 0.925 0.0603 0.55 222 -0.6073 0.7912 0.0472 0.55 234 -0.2946 0.6151 0.0348 0.55 246 0.1473 0.6041 0.0313 0.55 258 1.3207 0.6428 0.0847 0.65 138 0.9168 0.721 0.0626 0.65 150 -0.0512 0.7812 0.0302 0.65 162 0.7173 0.7544 0.0524 0.65 210 0.3027 0.8756 0.0351 0.65 222 -0.221 0.6473 0.0328 0.65 234 -1.1411 0.5421 0.0747 0.65 246 -0.4815 0.6936 0.0416 0.65 258 -1.3153 0.6377 0.0843 0.75 126 0.8364 0.7584 0.0584 0.75 138 0.2423 0.6736 0.0333 0.75 150 0.6035 0.6013 0.047 0.75 210 -0.6646 0.8488 0.0499 0.75 222 0.3682 0.7239 0.0372 0.75 234 -1.3681 0.5192 0.0873 0.75 246 0.4487 0.5963 0.0403 0.75 258 0.1106 0.6321 0.0307 0.85 222 -0.7266 0.7044 0.0529 0.85 234 -0.6157 0.6104 0.0476 0.85 246 -0.3816 0.5113 0.0377 0.85 258 -0.6618 0.7458 0.0497 0.35 42 -0.5731 0.9743 0.0448 0.45 42 -1.7048 0.7123 0.1036 0.55 234 -1.4284 0.8063 0.0883 0.55 246 0.0141 0.979 0.03 0.65 138 1.5926 0.7844 0.0973 0.65 150 1.2269 0.9233 0.0774 0.65 222 -0.7381 0.7661 0.0524 0.65 234 0.7715 0.6991 0.054 0.65 246 -0.1649 0.8921 0.0315 0.75 126 0.0847 1.1045 0.0304 0.75 138 -0.3597 1.0614 0.0366 0.75 150 -0.3425 1.0017 0.036 0.75 222 0.4385 0.7469 0.0394 0.75 234 0.3593 0.6045 0.0366 0.75 246 0.552 0.765 0.0439 0.75 258 1.6067 0.6237 0.0981 0.85 222 0.4694 0.9815 0.0406 0.85 234 -0.5709 0.6263 0.0447 0.85 246 -0.0664 0.7695 0.0302 0.85 258 -1.2079 0.6133 0.0764