CLAS physics database search results Measurement E151M2087 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 282 -0.0913 0.8595 0.0312 0.65 114 -0.9733 1.0335 0.0943 0.65 234 -0.3515 1.0622 0.0441 0.75 102 -0.5982 1.2261 0.0626 0.75 114 1.1035 1.0777 0.1058 0.75 126 0.4261 1.131 0.0493 0.75 138 -0.0856 1.0571 0.031 0.75 222 2.2582 0.9349 0.2097 0.75 234 -0.09 0.9623 0.0311 0.85 78 -0.1237 1.1975 0.0321 0.85 90 2.6555 1.1061 0.2459 0.85 234 0.6275 1.1214 0.065 0.85 246 2.6883 0.9232 0.2489 0.95 210 2.3482 3.1514 0.2179 0.35 66 1.0471 0.7026 0.0744 0.35 78 1.3391 0.6561 0.0921 0.35 282 0.8823 0.6865 0.0648 0.55 282 -0.9807 0.7127 0.0705 0.65 102 0.9666 0.6836 0.0697 0.65 114 0.4298 0.7499 0.041 0.65 126 -0.8337 0.7956 0.062 0.65 138 1.7903 0.8236 0.1203 0.65 294 -0.71 0.7915 0.0551 0.75 114 -0.7559 0.7777 0.0576 0.75 126 -0.8306 0.8891 0.0618 0.75 138 0.5501 0.8538 0.0467 0.75 210 0.3975 0.9419 0.0396 0.75 222 1.0244 0.8164 0.0731 0.75 234 -0.7794 0.8556 0.0589 0.75 246 -0.1949 0.9194 0.0326 0.85 78 0.0097 0.8211 0.03 0.85 126 1.9236 0.9027 0.1287 0.85 210 -0.6622 0.9871 0.0525 0.85 222 -0.9833 0.8241 0.0706 0.85 234 1.0081 0.8226 0.0721 0.85 246 -1.1672 0.7994 0.0816 0.85 258 0.0764 0.9723 0.0304 0.95 210 0.5609 1.584 0.0472 0.95 222 -0.988 1.5289 0.0709 0.95 246 0.0459 1.2974 0.0301 0.95 258 -0.516 1.4299 0.045 0.95 270 -0.6864 1.3407 0.0538