Measurement E151M1100
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.1465 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.905 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -1.524 | 0.5847 |
| 0.25 | 66.0 | -0.3212 | 0.8023 |
| 0.25 | 78.0 | -1.2608 | 0.6582 |
| 0.25 | 270.0 | 0.7432 | 0.9244 |
| 0.25 | 282.0 | -0.3966 | 0.7044 |
| 0.25 | 294.0 | -0.0494 | 0.8226 |
| 0.35 | 66.0 | 1.7456 | 0.7727 |
| 0.35 | 114.0 | -1.8513 | 0.6172 |
| 0.35 | 258.0 | 0.4699 | 0.8993 |
| 0.35 | 270.0 | 1.1632 | 0.6842 |
| 0.35 | 282.0 | 0.7242 | 0.7498 |
| 0.35 | 294.0 | 0.273 | 0.8116 |
| 0.45 | 66.0 | -0.2375 | 0.7827 |
| 0.45 | 78.0 | -0.7653 | 0.7813 |
| 0.45 | 90.0 | -0.2622 | 0.8285 |
| 0.45 | 102.0 | -0.7714 | 0.6128 |
| 0.45 | 114.0 | -0.2968 | 0.5896 |
| 0.45 | 126.0 | -1.0476 | 0.7003 |
| 0.45 | 258.0 | -0.09 | 0.716 |
| 0.45 | 270.0 | -0.0661 | 0.6316 |
| 0.45 | 282.0 | 1.1716 | 0.717 |
| 0.45 | 294.0 | 0.8275 | 0.9013 |
| 0.55 | 42.0 | -0.6523 | 0.7612 |
| 0.55 | 54.0 | -1.4091 | 0.545 |
| 0.55 | 66.0 | -1.0863 | 0.6114 |
| 0.55 | 90.0 | -0.4675 | 0.6652 |
| 0.55 | 102.0 | -0.4401 | 0.534 |
| 0.55 | 114.0 | -0.0988 | 0.6067 |
| 0.55 | 126.0 | -1.1421 | 0.6837 |
| 0.55 | 138.0 | -2.156 | 0.4989 |
| 0.55 | 210.0 | 3.2088 | 3.2088 |
| 0.55 | 222.0 | 0.1843 | 0.9157 |
| 0.55 | 234.0 | 1.349 | 0.9993 |
| 0.55 | 246.0 | 1.0841 | 0.9207 |
| 0.55 | 258.0 | 0.2873 | 0.7505 |
| 0.55 | 270.0 | 0.5611 | 0.5918 |
| 0.55 | 282.0 | 1.3853 | 0.6956 |
| 0.55 | 294.0 | 0.8102 | 0.8378 |
| 0.55 | 306.0 | -1.5556 | 0.5145 |
| 0.65 | 54.0 | -1.6256 | 0.5412 |
| 0.65 | 90.0 | -1.0038 | 0.5154 |
| 0.65 | 102.0 | -0.4912 | 0.441 |
| 0.65 | 114.0 | -0.3929 | 0.455 |
| 0.65 | 126.0 | -0.9725 | 0.4793 |
| 0.65 | 138.0 | -0.3112 | 0.6726 |
| 0.65 | 150.0 | -1.203 | 0.6662 |
| 0.65 | 174.0 | 0.5924 | 0.9528 |
| 0.65 | 186.0 | 2.3799 | 1.0798 |
| 0.65 | 198.0 | 1.3372 | 0.8597 |
| 0.65 | 210.0 | 0.3733 | 0.6827 |
| 0.65 | 222.0 | -1.0367 | 0.4764 |
| 0.65 | 234.0 | 1.6219 | 0.8534 |
| 0.65 | 246.0 | 0.568 | 0.7045 |
| 0.65 | 258.0 | -1.0062 | 0.6243 |
| 0.65 | 270.0 | -0.9844 | 0.6068 |
| 0.65 | 282.0 | 0.7785 | 0.7025 |
| 0.65 | 294.0 | 0.2598 | 0.5444 |
| 0.65 | 306.0 | 0.8513 | 0.8149 |
| 0.75 | 66.0 | 1.1918 | 0.9937 |
| 0.75 | 78.0 | -0.3366 | 0.5776 |
| 0.75 | 90.0 | 0.6125 | 0.7196 |
| 0.75 | 102.0 | -0.2585 | 0.5419 |
| 0.75 | 114.0 | -0.8329 | 0.4171 |
| 0.75 | 126.0 | -0.8128 | 0.4816 |
| 0.75 | 138.0 | 0.4864 | 0.7636 |
| 0.75 | 150.0 | -1.9341 | 0.5701 |
| 0.75 | 174.0 | 0.1577 | 0.9546 |
| 0.75 | 186.0 | 0.6439 | 0.636 |
| 0.75 | 198.0 | 0.7241 | 0.6529 |
| 0.75 | 210.0 | 0.9288 | 0.6345 |
| 0.75 | 222.0 | 0.2735 | 0.5112 |
| 0.75 | 234.0 | 0.8782 | 0.5606 |
| 0.75 | 246.0 | -0.2334 | 0.5602 |
| 0.75 | 258.0 | -0.3304 | 0.6006 |
| 0.75 | 270.0 | -0.8525 | 0.7071 |
| 0.75 | 282.0 | -0.6193 | 0.4606 |
| 0.75 | 294.0 | 2.0182 | 0.5873 |
| 0.75 | 306.0 | -0.0051 | 0.8418 |
| 0.85 | 66.0 | -0.6226 | 0.5813 |
| 0.85 | 78.0 | -0.4368 | 0.4008 |
| 0.85 | 90.0 | -0.2221 | 0.4806 |
| 0.85 | 102.0 | -0.7085 | 0.57 |
| 0.85 | 114.0 | -0.1119 | 0.7697 |
| 0.85 | 126.0 | -0.732 | 0.5292 |
| 0.85 | 138.0 | -0.4269 | 0.6112 |
| 0.85 | 174.0 | 0.7303 | 0.913 |
| 0.85 | 186.0 | 1.0496 | 0.7744 |
| 0.85 | 198.0 | 0.4334 | 0.627 |
| 0.85 | 210.0 | 0.7973 | 0.5237 |
| 0.85 | 222.0 | 0.679 | 0.4917 |
| 0.85 | 234.0 | 0.7466 | 0.471 |
| 0.85 | 246.0 | -0.127 | 0.4419 |
| 0.85 | 258.0 | 0.0459 | 0.5026 |
| 0.85 | 270.0 | -0.0165 | 0.7009 |
| 0.95 | 78.0 | 0.0615 | 0.6753 |
| 0.95 | 90.0 | -0.3714 | 0.5266 |
| 0.95 | 102.0 | -0.438 | 0.6497 |
| 0.95 | 114.0 | -0.7309 | 0.6111 |
| 0.95 | 174.0 | -0.1594 | 0.819 |
| 0.95 | 186.0 | 0.5527 | 0.7545 |
| 0.95 | 198.0 | 1.5459 | 0.7532 |
| 0.95 | 210.0 | 0.0186 | 0.5335 |
| 0.95 | 222.0 | -0.3559 | 0.5055 |
| 0.95 | 234.0 | -0.6944 | 0.4778 |
| 0.95 | 246.0 | 0.089 | 0.4366 |
| 0.95 | 258.0 | 0.031 | 0.439 |
| 0.95 | 270.0 | 0.835 | 0.4589 |
| 0.95 | 282.0 | 1.1482 | 0.6797 |
Experiment comment: