CLAS physics database search results Measurement E151M797 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.65 102 1.5949 0.6592 0.1089 0.65 246 -0.5634 0.6134 0.0476 0.65 258 -1.3196 0.4648 0.0916 0.75 90 1.0859 0.5732 0.0773 0.75 102 0.0356 0.4908 0.0301 0.75 114 0.2259 0.6178 0.0335 0.75 246 -0.5073 0.5683 0.0448 0.75 258 0.2064 0.5949 0.0329 0.75 270 -0.3879 0.6411 0.0393 0.85 90 0.4518 0.7311 0.0422 0.85 102 1.1219 0.5914 0.0795 0.85 114 0.6396 0.6223 0.0516 0.85 126 0.0626 0.6611 0.0303 0.85 222 0.2419 0.7096 0.0339 0.85 234 1.5208 0.7834 0.1042 0.85 246 0.0828 0.7363 0.0305 0.85 258 -0.4368 0.5698 0.0415 0.85 270 -0.364 0.6063 0.0383 0.85 282 -0.1735 0.564 0.0321 0.85 294 -0.3058 0.5904 0.0361 0.95 114 0.3697 1.1587 0.0386 0.95 234 -2.2142 0.8363 0.1484 0.95 246 0.4329 1.1651 0.0413 0.95 258 -0.4263 1.0458 0.041 0.95 270 -0.0209 0.944 0.03 0.95 282 -0.089 0.9973 0.0306 0.95 294 -0.4708 0.7918 0.0431 0.25 66 -0.1108 1.0224 0.0317 0.75 90 -0.4911 1.028 0.0544 0.75 102 0.2224 1.0812 0.0364 0.75 114 -0.5478 0.9988 0.0588 0.75 234 0.0592 1.1194 0.0305 0.75 246 0.4515 1.1119 0.0513 0.75 258 0.351 0.9913 0.0441 0.75 270 -0.8885 0.9209 0.0873 0.85 90 1.5581 1.2921 0.1469 0.85 102 -0.471 1.1616 0.0528 0.85 114 2.9588 1.2048 0.2747 0.85 126 1.1079 1.4638 0.1066 0.85 234 0.3523 1.0751 0.0442 0.85 258 -0.3413 1.0015 0.0435 0.85 270 -1.614 0.8312 0.152 0.85 282 0.2855 1.0711 0.0399 0.95 114 0.3493 3.6788 0.044 0.95 234 5.376 3.32 0.4971 0.95 246 -3.5569 2.9009 0.3296 0.95 270 4.5817 3.4682 0.4239 0.95 282 -1.0408 2.5811 0.1006 0.95 294 0.3091 3.0293 0.0414