CLAS physics database search results Measurement E151M1619 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 138 -0.1439 0.6982 0.0312 0.55 222 -0.7995 0.8103 0.0565 0.55 234 0.22 0.8267 0.0328 0.55 246 -0.8733 0.7042 0.0603 0.65 126 -0.262 0.8463 0.0339 0.65 138 -1.1569 0.6583 0.0755 0.65 150 1.4265 0.7682 0.0906 0.65 162 -0.3319 0.8463 0.036 0.65 222 -0.2304 0.6057 0.033 0.65 234 -0.0947 0.6818 0.0305 0.65 246 0.7337 0.7854 0.0532 0.65 258 -1.5413 0.7208 0.0971 0.75 126 0.4573 0.7005 0.0406 0.75 138 -2.515 2.515 0.1537 0.75 150 -1.7235 0.7536 0.1076 0.75 162 1.2433 0.7432 0.0803 0.75 222 0.2504 0.7722 0.0335 0.75 234 -0.3373 0.7351 0.0362 0.75 246 -0.3416 0.5321 0.0363 0.75 258 0.2736 0.6315 0.0342 0.85 222 0.6848 0.7882 0.0508 0.85 234 -0.7679 0.557 0.0549 0.85 246 0.3349 0.5806 0.0361 0.85 258 -0.0723 0.6518 0.0303 0.85 270 -0.2689 0.7886 0.0341 0.95 114 0.3716 0.6128 0.0374 0.95 138 0.0311 0.7716 0.0301 0.95 258 1.3438 0.5021 0.0859 0.25 42 -0.706 1.147 0.0508 0.45 234 -0.3844 1.051 0.0374 0.55 234 -0.1339 0.965 0.031 0.55 246 -0.7233 0.7592 0.0517 0.65 126 1.3766 0.9958 0.0855 0.65 138 0.3692 0.9287 0.0369 0.65 150 0.0501 1.0276 0.0301 0.65 210 -0.1731 1.1391 0.0316 0.65 222 -1.0155 0.8273 0.0662 0.65 234 0.7747 0.659 0.0541 0.65 246 -0.3581 0.7556 0.0365 0.65 258 0.2498 1.0791 0.0333 0.75 126 1.4386 0.8949 0.0889 0.75 138 -1.1172 0.8401 0.0716 0.75 222 0.1789 0.8457 0.0318 0.75 234 0.1831 0.8328 0.0318 0.75 246 0.6904 0.6999 0.0501 0.75 258 1.658 0.6012 0.101 0.85 222 -0.1145 0.9393 0.0307 0.85 234 0.1508 0.75 0.0313 0.85 246 -0.2999 0.7601 0.0347 0.85 258 -0.9131 0.5949 0.061 0.95 114 0.4956 0.772 0.0416 0.95 234 -0.9861 0.7485 0.0647 0.95 246 0.9679 0.6529 0.0638 0.95 258 0.8484 0.6467 0.0577