Measurement E151M1036
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.2014 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9511 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| -0.05 | 30.0 | 0.7575 | 0.828 |
| 0.05 | 30.0 | 0.035 | 0.7313 |
| 0.05 | 54.0 | -0.9127 | 0.5637 |
| 0.05 | 66.0 | 0.7762 | 0.8727 |
| 0.15 | 18.0 | 1.1272 | 0.7387 |
| 0.15 | 54.0 | 0.2548 | 0.6034 |
| 0.15 | 66.0 | -0.2303 | 0.4754 |
| 0.15 | 78.0 | -0.5031 | 0.7131 |
| 0.15 | 294.0 | -0.4706 | 0.4647 |
| 0.15 | 306.0 | 1.0985 | 0.6535 |
| 0.25 | 54.0 | -0.3463 | 0.4064 |
| 0.25 | 66.0 | 0.5579 | 0.4808 |
| 0.25 | 78.0 | -0.3735 | 0.4833 |
| 0.25 | 282.0 | -0.0588 | 0.423 |
| 0.25 | 294.0 | 0.5442 | 0.4069 |
| 0.25 | 306.0 | -0.8728 | 0.4656 |
| 0.35 | 54.0 | -0.1363 | 0.5806 |
| 0.35 | 66.0 | 0.6574 | 0.4565 |
| 0.35 | 78.0 | 0.3181 | 0.4781 |
| 0.35 | 90.0 | -0.2551 | 0.752 |
| 0.35 | 270.0 | 0.0479 | 0.4774 |
| 0.35 | 282.0 | -0.2469 | 0.3332 |
| 0.35 | 294.0 | -0.1877 | 0.3804 |
| 0.35 | 306.0 | -0.3497 | 0.5029 |
| 0.45 | 54.0 | 0.2161 | 0.6548 |
| 0.45 | 66.0 | 0.4368 | 0.4431 |
| 0.45 | 78.0 | -0.7998 | 0.423 |
| 0.45 | 90.0 | 0.0392 | 0.5647 |
| 0.45 | 102.0 | -0.0019 | 0.6154 |
| 0.45 | 114.0 | -0.7651 | 0.5541 |
| 0.45 | 258.0 | -0.8634 | 0.5865 |
| 0.45 | 270.0 | -0.5209 | 0.3512 |
| 0.45 | 282.0 | 0.2407 | 0.3967 |
| 0.45 | 294.0 | 0.6538 | 0.3819 |
| 0.55 | 54.0 | 0.4786 | 0.5215 |
| 0.55 | 66.0 | -0.4914 | 0.4407 |
| 0.55 | 78.0 | -0.1878 | 0.5137 |
| 0.55 | 90.0 | -0.5235 | 0.4058 |
| 0.55 | 102.0 | -0.2612 | 0.3624 |
| 0.55 | 114.0 | -0.4048 | 0.3849 |
| 0.55 | 126.0 | -1.203 | 0.538 |
| 0.55 | 234.0 | 0.5354 | 0.7388 |
| 0.55 | 246.0 | 0.685 | 0.6888 |
| 0.55 | 258.0 | -0.1013 | 0.4808 |
| 0.55 | 270.0 | 0.4789 | 0.4604 |
| 0.55 | 282.0 | 0.5405 | 0.3995 |
| 0.55 | 294.0 | -0.2831 | 0.4403 |
| 0.55 | 306.0 | -0.7113 | 0.349 |
| 0.65 | 54.0 | -0.8511 | 0.4708 |
| 0.65 | 66.0 | 0.5301 | 0.6643 |
| 0.65 | 78.0 | -0.4169 | 0.5645 |
| 0.65 | 90.0 | 0.0997 | 0.3527 |
| 0.65 | 102.0 | -0.1542 | 0.3319 |
| 0.65 | 114.0 | -0.6242 | 0.3054 |
| 0.65 | 126.0 | -0.6337 | 0.3685 |
| 0.65 | 138.0 | -0.1907 | 0.4424 |
| 0.65 | 150.0 | -0.7349 | 0.743 |
| 0.65 | 198.0 | 0.9535 | 0.7854 |
| 0.65 | 210.0 | 1.1332 | 0.7505 |
| 0.65 | 222.0 | 0.8807 | 0.5775 |
| 0.65 | 234.0 | 0.3661 | 0.4555 |
| 0.65 | 246.0 | -0.188 | 0.434 |
| 0.65 | 258.0 | 0.1065 | 0.4915 |
| 0.65 | 270.0 | 0.6218 | 0.5252 |
| 0.65 | 282.0 | -0.0725 | 0.5939 |
| 0.65 | 294.0 | -0.0864 | 0.4008 |
| 0.65 | 306.0 | -0.1455 | 0.3768 |
| 0.75 | 66.0 | -1.0823 | 0.5336 |
| 0.75 | 78.0 | 1.0121 | 0.7315 |
| 0.75 | 90.0 | -0.5147 | 0.3363 |
| 0.75 | 102.0 | 0.0163 | 0.2969 |
| 0.75 | 114.0 | -0.4461 | 0.3035 |
| 0.75 | 126.0 | -0.3966 | 0.3654 |
| 0.75 | 138.0 | -0.5966 | 0.3894 |
| 0.75 | 150.0 | -0.1189 | 0.5855 |
| 0.75 | 162.0 | 0.8411 | 0.9301 |
| 0.75 | 174.0 | 0.6722 | 0.9223 |
| 0.75 | 186.0 | -1.188 | 0.524 |
| 0.75 | 198.0 | 0.3511 | 0.5371 |
| 0.75 | 210.0 | 0.913 | 0.5027 |
| 0.75 | 222.0 | 0.4677 | 0.4113 |
| 0.75 | 234.0 | 0.2082 | 0.3663 |
| 0.75 | 246.0 | -0.0994 | 0.3239 |
| 0.75 | 258.0 | 0.4797 | 0.4375 |
| 0.75 | 270.0 | 0.2375 | 0.5038 |
| 0.75 | 282.0 | 0.3005 | 0.8837 |
| 0.75 | 294.0 | 0.5481 | 0.4778 |
| 0.85 | 66.0 | -0.3383 | 0.5035 |
| 0.85 | 78.0 | -0.5107 | 0.3167 |
| 0.85 | 90.0 | 0.0866 | 0.4488 |
| 0.85 | 102.0 | 0.1886 | 0.4127 |
| 0.85 | 114.0 | 0.6654 | 0.3693 |
| 0.85 | 126.0 | -0.4319 | 0.3258 |
| 0.85 | 138.0 | -0.6613 | 0.3663 |
| 0.85 | 150.0 | -0.9591 | 0.4818 |
| 0.85 | 174.0 | -0.8565 | 0.6873 |
| 0.85 | 186.0 | 0.7342 | 0.5976 |
| 0.85 | 198.0 | 2.2745 | 0.6022 |
| 0.85 | 210.0 | 0.6892 | 0.466 |
| 0.85 | 222.0 | 0.0181 | 0.3592 |
| 0.85 | 234.0 | -0.2917 | 0.3152 |
| 0.85 | 246.0 | 0.2737 | 0.3014 |
| 0.85 | 258.0 | 0.4015 | 0.3737 |
| 0.85 | 270.0 | 0.3904 | 0.4337 |
| 0.85 | 282.0 | 0.197 | 0.4628 |
| 0.85 | 294.0 | 0.0799 | 0.7842 |
| 0.95 | 78.0 | -1.0881 | 0.3814 |
| 0.95 | 90.0 | -0.8573 | 0.3908 |
| 0.95 | 102.0 | -0.3873 | 0.4819 |
| 0.95 | 126.0 | -0.1648 | 0.6741 |
| 0.95 | 138.0 | 0.692 | 0.914 |
| 0.95 | 150.0 | -1.3021 | 0.5459 |
| 0.95 | 174.0 | 0.191 | 0.7875 |
| 0.95 | 186.0 | 0.1581 | 0.6868 |
| 0.95 | 198.0 | -0.7313 | 0.5149 |
| 0.95 | 210.0 | 0.4125 | 0.5215 |
| 0.95 | 222.0 | -0.0725 | 0.4213 |
| 0.95 | 234.0 | 0.7067 | 0.4338 |
| 0.95 | 246.0 | 0.1682 | 0.3681 |
| 0.95 | 258.0 | 0.1242 | 0.3366 |
| 0.95 | 270.0 | -0.2912 | 0.2969 |
| 0.95 | 282.0 | -0.4527 | 0.3219 |
| 0.95 | 294.0 | -0.0969 | 0.7194 |
Experiment comment: