CLAS physics database search results Measurement E151M811 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_UL Stat. error Syst. error degrees 0.35 66 0.0224 0.6088 0.03 0.45 282 -0.1018 0.6147 0.0307 0.65 102 -0.0322 0.6555 0.0301 0.65 114 0.9525 0.7357 0.0693 0.65 258 -0.4114 0.6568 0.0404 0.75 90 1.2237 0.591 0.0857 0.75 102 0.3936 0.6137 0.0396 0.75 114 -0.379 0.585 0.039 0.75 126 -0.0747 0.743 0.0304 0.75 234 -0.5858 0.5321 0.0488 0.75 246 0.1773 0.6187 0.0322 0.75 258 -0.4541 0.6557 0.0423 0.75 270 -0.9798 0.546 0.071 0.85 66 -1.0605 0.568 0.0758 0.85 102 0.3074 0.6219 0.0362 0.85 114 -0.2293 0.6748 0.0336 0.85 246 0.2157 0.6691 0.0332 0.85 258 -0.2655 0.6406 0.0347 0.85 270 -0.1029 0.7276 0.0308 0.85 282 -1.3447 0.5736 0.0932 0.95 258 0.5648 0.9629 0.0477 0.95 270 0.1861 1.1579 0.0324 0.95 282 -0.196 1.0449 0.0326 0.95 294 -0.4867 0.8992 0.0438 0.25 78 1.0836 1.0853 0.1044 0.65 102 -0.2079 0.9915 0.0356 0.65 258 0.5405 0.8659 0.0582 0.75 90 -0.6419 1.011 0.0664 0.75 102 0.2315 1.105 0.0368 0.75 114 -0.0209 1.176 0.0301 0.75 126 -0.5174 1.1321 0.0564 0.75 246 0.6531 0.8659 0.0673 0.75 258 1.6502 0.9465 0.1552 0.75 270 -1.2031 0.7557 0.115 0.85 102 -1.2361 1.1242 0.118 0.85 114 -1.123 1.0001 0.1079 0.85 246 -0.6047 1.0898 0.0634 0.85 258 1.6958 0.9805 0.1594 0.85 270 -1.3657 0.9271 0.1296 0.85 282 0.8332 1.0468 0.0825 0.85 294 0.99 1.0033 0.0962 0.95 66 3.491 3.5442 0.3236 0.95 258 0.8939 2.9285 0.0878 0.95 282 0.1509 2.2637 0.0331