CLAS physics database search results Measurement E151M2325 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 102 -0.4768 0.954 0.0458 0.55 90 2.2714 0.6801 0.1674 0.55 102 -0.0987 0.9145 0.0308 0.55 114 0.8286 0.8579 0.0672 0.55 270 -0.0061 0.9624 0.03 0.65 90 0.3611 0.8094 0.0398 0.65 102 -0.1672 0.9028 0.0324 0.65 114 0.1004 0.785 0.0309 0.65 126 -0.2651 0.8596 0.0356 0.65 222 -0.5462 1.0008 0.0497 0.65 234 1.7772 0.8223 0.1323 0.65 294 -2.117 0.7704 0.1564 0.65 306 0.5185 0.8803 0.0481 0.75 66 -0.4459 0.8734 0.0441 0.75 78 -0.2077 0.8142 0.0336 0.75 102 -0.3401 0.6774 0.0388 0.75 114 -0.4438 0.8654 0.044 0.75 126 0.2457 0.9163 0.0349 0.75 198 1.8427 0.9628 0.1369 0.75 210 -1.7703 1.0706 0.1318 0.75 222 0.5226 0.801 0.0483 0.75 234 0.1368 0.7073 0.0316 0.75 246 0.3086 0.698 0.0374 0.75 258 -0.1904 0.9515 0.033 0.75 270 0.1288 0.964 0.0314 0.75 306 0.4546 0.9519 0.0446 0.85 66 0.6909 0.6531 0.0584 0.85 78 0.1483 0.6825 0.0319 0.85 90 -0.4058 0.8078 0.042 0.85 102 -0.203 1.0532 0.0334 0.85 114 -0.4281 0.9505 0.0432 0.85 126 -0.3313 0.9582 0.0384 0.85 186 0.7155 0.9203 0.0599 0.85 198 0.3356 0.7498 0.0386 0.85 210 1.8663 0.5746 0.1386 0.85 222 -0.6643 0.7647 0.0567 0.85 234 0.5855 0.6114 0.052 0.85 246 -0.1839 0.6524 0.0328 0.85 258 0.7797 0.6072 0.064 0.85 270 1.7021 0.7524 0.127 0.85 282 0.8342 0.936 0.0675 0.95 66 0.6305 0.8388 0.0547 0.95 78 0.1214 0.7817 0.0313 0.95 90 -0.4714 0.9084 0.0455 0.95 198 0.0919 0.8583 0.0307 0.95 210 -0.6639 0.7951 0.0567 0.95 222 -0.4707 0.7289 0.0454 0.95 234 -0.4671 0.6309 0.0452 0.95 246 0.2662 0.6971 0.0357 0.95 258 -0.5691 0.6012 0.051 0.95 270 0.2602 0.5432 0.0354 0.95 282 0.88 0.627 0.0705 0.95 294 -1.6775 0.5984 0.1253 0.95 306 0.4533 0.778 0.0445