CLAS physics database search results Measurement E151M2362 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 114 -0.6465 0.9303 0.0557 0.45 282 -1.2833 0.8215 0.0978 0.55 42 0.8385 0.8846 0.0678 0.55 102 1.4711 0.8833 0.1108 0.55 114 -0.5 0.9147 0.0471 0.55 126 0.5491 1.0276 0.0499 0.55 270 0.8205 0.7867 0.0666 0.65 102 0.6948 0.835 0.0586 0.65 114 0.8525 0.8123 0.0687 0.65 138 -1.3305 0.9977 0.101 0.65 186 -2.0255 0.9607 0.1499 0.65 198 -0.5256 0.8533 0.0485 0.65 210 -2.2261 0.8048 0.1642 0.65 222 -0.7298 0.9311 0.0608 0.65 234 -0.9762 1.0971 0.0769 0.65 282 0.8221 0.937 0.0667 0.65 294 -1.0848 0.7031 0.0842 0.75 78 0.8062 0.8412 0.0657 0.75 90 0.4829 0.8822 0.0461 0.75 102 0.3624 0.8805 0.0399 0.75 114 0.0611 0.8199 0.0303 0.75 126 0.329 0.8444 0.0383 0.75 186 0.0103 1.0219 0.03 0.75 198 1.4506 0.6986 0.1094 0.75 210 -0.1831 0.8065 0.0328 0.75 222 1.359 0.6904 0.103 0.75 234 -0.906 0.7635 0.0722 0.75 246 -0.4342 0.9656 0.0435 0.75 282 0.117 0.8377 0.0312 0.75 294 -1.7043 0.6801 0.1272 0.75 306 1.3382 0.9272 0.1016 0.85 78 -0.2997 0.5767 0.037 0.85 90 1.7609 0.6405 0.1312 0.85 102 1.4435 0.6879 0.1089 0.85 114 -0.9313 0.803 0.0739 0.85 174 0.3562 0.9454 0.0396 0.85 186 -0.6325 0.7507 0.0548 0.85 198 0.9863 0.7631 0.0776 0.85 210 0.1545 0.6156 0.032 0.85 222 -0.9548 0.6172 0.0755 0.85 234 -0.2528 0.5848 0.0352 0.85 246 -1.0366 0.6486 0.0809 0.85 258 0.3646 0.8342 0.04 0.95 102 2.2064 0.6751 0.1628 0.95 114 1.0449 0.8581 0.0815 0.95 162 1.4077 0.8409 0.1064 0.95 186 0.7781 0.7471 0.0639 0.95 198 -1.1247 0.6947 0.0869 0.95 210 -0.5711 0.7185 0.0511 0.95 222 -0.2317 0.6305 0.0344 0.95 234 0.2858 0.6488 0.0365 0.95 246 0.1449 0.696 0.0318 0.95 258 -0.2951 0.7102 0.0368