CLAS physics database search results Measurement E151M1096 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.35 78 0.2634 0.9397 0.0356 0.35 282 1.4189 1.0316 0.108 0.45 270 0.7001 0.7533 0.0593 0.45 282 0.0935 0.9346 0.0308 0.55 114 -0.7183 0.7232 0.0605 0.55 126 -1.5662 0.6557 0.1183 0.55 138 -1.8269 0.5683 0.1369 0.55 270 0.59 0.732 0.0525 0.55 282 1.2255 1.0374 0.0945 0.65 66 0.4626 0.8428 0.0452 0.65 102 -1.1201 0.6296 0.0872 0.65 114 -0.9234 0.7 0.0739 0.65 126 1.0157 0.739 0.0801 0.65 138 0.3649 0.9111 0.0401 0.65 150 -0.1299 0.8873 0.0315 0.65 210 0.3092 0.7692 0.0376 0.65 222 1.1184 0.6469 0.0871 0.65 234 0.4635 0.9831 0.0453 0.65 294 -0.0866 0.7849 0.0307 0.75 90 -1.1164 0.6641 0.0869 0.75 102 -1.1004 0.7149 0.0858 0.75 114 -0.3675 0.6445 0.0403 0.75 126 -1.4747 0.488 0.1119 0.75 138 1.5432 0.8118 0.1167 0.75 198 0.9134 1.0387 0.0732 0.75 210 1.28 0.9278 0.0982 0.75 222 0.9493 0.7492 0.0756 0.75 234 2.6161 0.732 0.1936 0.75 246 0.3924 0.919 0.0415 0.75 282 0.3484 0.8235 0.0394 0.75 294 0.8538 0.7885 0.0692 0.85 90 0.065 0.5787 0.0304 0.85 102 -0.3864 0.675 0.0412 0.85 114 -1.1354 0.6918 0.0882 0.85 186 0.0257 0.856 0.0301 0.85 198 1.2332 0.7669 0.095 0.85 210 0.2236 0.7323 0.0342 0.85 222 1.2376 0.6733 0.0953 0.85 234 0.1156 0.6536 0.0312 0.85 246 1.0934 0.7819 0.0854 0.85 282 1.8788 0.9172 0.1406 0.95 234 0.6132 0.7315 0.0539 0.95 246 1.0699 0.8367 0.0838