CLAS physics database search results Measurement E151M1426 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 270 0.3886 0.6162 0.038 0.55 282 -0.2659 0.4191 0.034 0.65 258 -0.3185 0.4892 0.0356 0.65 270 -0.4052 0.4556 0.0386 0.65 282 -0.8046 0.4468 0.0568 0.75 258 0.617 0.4006 0.0476 0.75 270 0.4136 0.5082 0.0389 0.75 282 -0.3583 0.6119 0.0369 0.85 138 -0.1805 0.4928 0.0319 0.85 150 -0.1967 0.4467 0.0322 0.85 162 0.2442 0.4659 0.0334 0.85 174 -0.4201 0.386 0.0392 0.85 186 0.3397 0.5505 0.0363 0.85 198 0.9397 0.5017 0.0638 0.85 210 -0.1544 0.5408 0.0314 0.95 138 0.7592 0.5076 0.0545 0.95 174 -0.0294 0.4928 0.0301 0.45 282 -0.408 0.6995 0.0382 0.55 258 -0.1968 0.7505 0.0321 0.55 270 0.1301 0.6212 0.0309 0.55 282 -0.1784 0.7163 0.0317 0.65 246 -1.3857 0.4129 0.086 0.65 258 -0.2226 0.6359 0.0327 0.65 270 -0.0034 0.4952 0.03 0.65 282 -0.3939 0.575 0.0377 0.75 246 0.6638 0.5907 0.0489 0.75 258 -0.5728 0.4527 0.0448 0.75 270 0.6712 0.4553 0.0492 0.85 138 0.3557 0.6635 0.0364 0.85 150 0.4809 0.5866 0.041 0.85 162 0.3067 0.7056 0.0349 0.85 174 -0.8705 0.4665 0.0588 0.85 186 -0.139 0.7132 0.0311 0.85 198 0.0751 0.6462 0.0303 0.85 210 0.6361 0.6284 0.0476 0.85 222 0.4496 0.6344 0.0398 0.85 234 -0.6461 0.6716 0.0481 0.85 246 -0.2902 0.7103 0.0344 0.95 150 1.4724 1.4724 0.0907 0.95 162 0.1574 0.7583 0.0314 0.95 174 0.0222 0.5673 0.03 0.95 186 -0.9448 0.555 0.0626