CLAS physics database search results Measurement E151M286 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Data errors Systematic errors degrees 0.65 258 0.8859 1.0253 0.0612 0.65 270 0.2549 0.7641 0.0337 0.75 102 -1.1893 0.5277 0.0776 0.75 114 -0.4082 0.7331 0.0388 0.75 138 1.6689 1.3756 0.1049 0.75 246 -0.346 0.6523 0.0365 0.75 258 -0.0168 0.7442 0.03 0.75 270 0.9569 0.9842 0.065 0.75 282 -1.1053 0.4815 0.073 0.85 102 0.2478 0.8276 0.0335 0.85 114 0.8203 0.9208 0.0578 0.85 126 0.5907 0.9363 0.0465 0.85 138 -0.6178 0.6266 0.0478 0.85 150 0.1743 0.9468 0.0318 0.85 162 0.9507 1.0856 0.0646 0.85 258 -0.423 0.6162 0.0394 0.85 270 0.8855 0.9572 0.0612 0.85 282 -0.1557 0.7088 0.0314 0.85 294 0.1133 0.8213 0.0308 0.95 66 -0.3674 0.6741 0.0373 0.95 126 1.8166 0.9751 0.1134 0.95 246 0.7054 0.8678 0.052 0.95 270 -1.0598 0.3604 0.0705 0.95 282 2.6601 2.6601 0.163 0.95 294 0.747 0.8391 0.0541 0.55 258 -0.4608 0.6148 0.0414 0.55 270 1.2399 0.5915 0.0824 0.65 258 -0.0869 0.5471 0.0305 0.65 270 0.72 0.629 0.0537 0.75 114 0.5742 0.5275 0.0465 0.75 126 -0.2416 0.6368 0.0335 0.75 138 0.7227 0.5932 0.0539 0.75 246 -0.9438 0.4437 0.0657 0.75 258 0.9384 0.5789 0.0654 0.75 270 0.8581 0.5904 0.061 0.75 282 -0.3122 0.5823 0.0357 0.85 102 0.9962 0.4692 0.0686 0.85 114 0.3101 0.5218 0.0356 0.85 126 -0.2019 0.6318 0.0325 0.85 138 -0.4213 0.6234 0.0398 0.85 150 0.226 0.5386 0.0331 0.85 234 -0.234 0.6029 0.0333 0.85 246 -1.1017 0.5033 0.0745 0.85 258 0.4357 0.6105 0.0403 0.85 270 -0.3465 0.5387 0.0369 0.85 282 0.0503 0.5221 0.0302 0.85 294 -0.0716 0.4565 0.0303 0.95 78 0.5014 0.491 0.0432 0.95 114 0.0171 0.5481 0.03 0.95 126 -0.4367 0.5303 0.0404 0.95 258 -0.5267 0.4838 0.0443 0.95 270 0.9576 0.48 0.0664 0.95 282 0.3498 0.5075 0.037 0.95 294 -0.133 0.521 0.0311