Measurement E151M331
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.0389 | |
| Q2: | 0.0171 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8349 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.1881 | 0.5473 |
| 0.35 | 42.0 | 0.3147 | 0.568 |
| 0.45 | 30.0 | -0.2161 | 0.492 |
| 0.45 | 42.0 | 0.3671 | 0.557 |
| 0.55 | 18.0 | 0.1674 | 0.6101 |
| 0.55 | 30.0 | -0.1363 | 0.5344 |
| 0.55 | 42.0 | 0.4504 | 0.5411 |
| 0.55 | 126.0 | -0.072 | 0.6763 |
| 0.55 | 138.0 | 0.4641 | 0.5976 |
| 0.55 | 150.0 | -1.1331 | 0.5512 |
| 0.55 | 162.0 | -0.2024 | 0.6145 |
| 0.55 | 210.0 | -0.9579 | 0.5253 |
| 0.55 | 222.0 | 0.4334 | 0.5971 |
| 0.55 | 234.0 | -0.0426 | 0.4309 |
| 0.55 | 246.0 | 1.1417 | 0.4991 |
| 0.65 | 114.0 | -0.454 | 0.7298 |
| 0.65 | 126.0 | -0.8297 | 0.4543 |
| 0.65 | 138.0 | 0.2245 | 0.4867 |
| 0.65 | 150.0 | -0.3332 | 0.6443 |
| 0.65 | 162.0 | 0.7656 | 0.6602 |
| 0.65 | 210.0 | 0.0244 | 0.5112 |
| 0.65 | 222.0 | 0.5147 | 0.4378 |
| 0.65 | 234.0 | 0.3033 | 0.4274 |
| 0.65 | 246.0 | 0.2633 | 0.6064 |
| 0.75 | 126.0 | 0.7361 | 0.5882 |
| 0.75 | 138.0 | -0.1997 | 0.5415 |
| 0.75 | 150.0 | -0.7344 | 0.4606 |
| 0.75 | 210.0 | 1.5483 | 0.5416 |
| 0.75 | 222.0 | -0.037 | 0.4598 |
| 0.75 | 234.0 | 0.5233 | 0.4478 |
| 0.75 | 246.0 | 0.4092 | 0.428 |
| 0.75 | 258.0 | 0.8845 | 0.6471 |
| 0.85 | 126.0 | 0.0704 | 0.6343 |
| 0.85 | 210.0 | 0.3612 | 0.4758 |
| 0.85 | 222.0 | 0.262 | 0.4512 |
| 0.85 | 234.0 | 0.1646 | 0.409 |
| 0.85 | 246.0 | 0.5259 | 0.4377 |
| 0.95 | 246.0 | -0.3743 | 0.5145 |
| 0.45 | 234.0 | 0.6986 | 1.1652 |
| 0.55 | 18.0 | -0.1754 | 0.8498 |
| 0.55 | 30.0 | -0.259 | 0.6956 |
| 0.55 | 42.0 | 0.4952 | 0.891 |
| 0.55 | 138.0 | 0.3075 | 1.0576 |
| 0.55 | 150.0 | -0.2844 | 0.8004 |
| 0.55 | 210.0 | 0.2371 | 0.9959 |
| 0.55 | 222.0 | -0.6226 | 0.6023 |
| 0.55 | 234.0 | -0.5228 | 0.6002 |
| 0.55 | 246.0 | -0.1257 | 0.7288 |
| 0.65 | 126.0 | -0.207 | 0.7489 |
| 0.65 | 138.0 | -0.4454 | 0.7187 |
| 0.65 | 150.0 | -0.779 | 0.6341 |
| 0.65 | 210.0 | 0.3256 | 0.8499 |
| 0.65 | 222.0 | -0.3787 | 0.5451 |
| 0.65 | 234.0 | -0.6449 | 0.4448 |
| 0.65 | 246.0 | -0.2539 | 0.6557 |
| 0.75 | 126.0 | -0.9727 | 0.665 |
| 0.75 | 138.0 | 0.3298 | 0.9046 |
| 0.75 | 150.0 | -1.6197 | 0.4529 |
| 0.75 | 162.0 | -0.4811 | 0.8492 |
| 0.75 | 198.0 | 0.5949 | 0.996 |
| 0.75 | 210.0 | -0.9743 | 0.6005 |
| 0.75 | 222.0 | 0.9251 | 0.7936 |
| 0.75 | 234.0 | 0.0196 | 0.5418 |
| 0.75 | 246.0 | 2.2651 | 2.2651 |
| 0.75 | 258.0 | 0.6793 | 0.9144 |
| 0.85 | 114.0 | -0.0524 | 1.028 |
| 0.85 | 126.0 | -1.09 | 0.6121 |
| 0.85 | 210.0 | -0.0235 | 0.814 |
| 0.85 | 222.0 | 0.8913 | 0.8806 |
| 0.85 | 234.0 | -0.6808 | 0.486 |
| 0.85 | 246.0 | 0.0148 | 0.5541 |
| 0.85 | 258.0 | -0.5407 | 0.7328 |
| 0.95 | 246.0 | 0.072 | 0.7954 |
Experiment comment: