CLAS physics database search results Measurement E151M908 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.45 78 -1.0969 0.862 0.1056 0.45 270 1.0885 0.8627 0.1048 0.55 222 0.3852 0.9693 0.0465 0.55 258 1.2057 0.8939 0.1153 0.55 270 1.0903 0.83 0.105 0.65 126 -1.2387 0.9245 0.1182 0.65 198 2.4631 0.9929 0.2293 0.65 210 1.0708 1.0289 0.1033 0.75 66 -1.2463 0.929 0.1189 0.75 210 1.0471 1.1541 0.1012 0.75 234 -0.7791 0.9202 0.0779 0.75 270 0.3026 0.9364 0.041 0.75 282 0.7375 0.7934 0.0744 0.85 114 1.9246 1.3574 0.1801 0.85 210 -1.4842 0.8452 0.1402 0.85 222 -0.2236 1.091 0.0364 0.35 78 -0.294 0.5686 0.0357 0.45 270 -0.3395 0.6311 0.0374 0.45 282 -0.4079 0.5534 0.0402 0.55 222 1.982 0.7588 0.1335 0.55 258 -0.2114 0.573 0.0331 0.55 270 -0.9364 0.4771 0.0684 0.65 126 -0.3252 0.5208 0.0368 0.65 210 0.4246 0.7233 0.0409 0.65 222 1.2921 0.7883 0.0899 0.75 114 -0.1432 0.7085 0.0314 0.75 210 -0.0648 0.6736 0.0303 0.75 222 0.7011 0.7394 0.0549 0.75 270 -0.0534 0.6759 0.0302 0.75 282 -0.0786 0.5503 0.0304 0.85 102 1.0956 0.8191 0.0779 0.85 126 -0.8537 0.6281 0.0636 0.85 210 1.3284 0.7077 0.0922 0.85 222 -0.3181 0.8081 0.0365