CLAS physics database search results Measurement E151M1839 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 66 0.2555 0.7743 0.0338 0.25 282 -0.911 0.6438 0.0628 0.35 66 0.8365 0.7445 0.0589 0.35 78 0.118 0.7887 0.0308 0.35 282 -0.0311 0.6638 0.0301 0.35 294 -0.4089 0.8061 0.0389 0.45 66 1.4028 0.758 0.0901 0.45 282 -0.2385 0.6657 0.0333 0.45 294 1.0551 0.6572 0.0706 0.55 102 -1.4497 0.63 0.0928 0.55 114 -0.7051 0.7678 0.0522 0.55 126 0.2943 0.8188 0.0349 0.55 246 0.3649 0.7266 0.0373 0.55 282 -0.2309 0.786 0.0331 0.65 102 -0.0848 0.6598 0.0304 0.65 114 0.0082 0.5797 0.03 0.65 126 0.4692 0.7758 0.0413 0.65 138 -0.3823 0.7643 0.0379 0.65 222 -0.7521 0.6828 0.0546 0.65 234 -0.3851 0.6928 0.038 0.65 246 -0.0499 0.7929 0.0302 0.65 294 -0.5402 0.6268 0.0444 0.65 306 0.9269 0.6952 0.0637 0.75 102 -0.0847 0.5256 0.0304 0.75 114 -0.0815 0.5322 0.0304 0.75 126 -0.4316 0.6999 0.0398 0.75 138 -0.9437 0.8743 0.0646 0.75 150 0.395 0.8062 0.0384 0.75 210 -0.6496 0.7032 0.0495 0.75 222 -0.0461 0.6723 0.0301 0.75 234 1.5816 0.5811 0.1004 0.75 246 0.1483 0.5401 0.0313 0.75 258 1.1472 0.587 0.0757 0.85 78 0.1138 0.7679 0.0308 0.85 90 -0.6607 0.7404 0.05 0.85 102 -0.5763 0.7372 0.046 0.85 114 0.0219 0.7572 0.03 0.85 126 0.3158 0.744 0.0356 0.85 138 0.1766 0.6313 0.0319 0.85 198 0.9157 0.6673 0.0631 0.85 210 -0.5386 0.6532 0.0443 0.85 222 -1.1414 0.5872 0.0754 0.85 234 -0.0547 0.56 0.0302 0.85 246 -0.6376 0.4638 0.0489 0.85 258 -0.2446 0.5486 0.0335 0.85 270 -0.572 0.5856 0.0458 0.95 90 -1.256 0.6189 0.0818 0.95 222 -0.4875 0.6593 0.0421 0.95 234 0.2671 0.5642 0.0341 0.95 246 -0.3804 0.6368 0.0378 0.95 258 0.5921 0.5549 0.0468 0.95 270 1.0345 0.6032 0.0695 0.95 282 -0.381 0.637 0.0379