CLAS physics database search results Measurement E151M1144 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.55 102 1.2058 1.0154 0.0931 0.75 210 1.0804 0.9929 0.0845 0.75 234 0.1527 0.8393 0.032 0.85 66 0.1275 0.8438 0.0314 0.85 90 -0.3632 0.7518 0.0401 0.85 198 0.1936 0.8495 0.0332 0.85 210 0.5598 0.9574 0.0507 0.85 222 -0.6378 0.6924 0.0554 0.85 234 0.1196 0.6655 0.0312 0.85 246 1.0576 0.7538 0.0829 0.85 258 -0.5106 0.8138 0.0479 0.85 270 -0.1679 0.8218 0.0324 0.95 210 0.3353 0.8359 0.0387 0.95 222 1.4231 0.7847 0.1083 0.95 234 0.7901 0.6889 0.0651 0.95 246 1.6354 0.7951 0.1232 0.95 258 0.5309 0.6592 0.0491 0.95 270 -1.4227 0.5024 0.1082 0.95 282 0.6818 0.7087 0.0582