Measurement E151M972
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.7653 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9634 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| -0.05 | 306.0 | 0.064 | 0.6397 |
| 0.05 | 54.0 | 1.6251 | 0.603 |
| 0.05 | 66.0 | 2.4684 | 2.4684 |
| 0.05 | 306.0 | -0.1423 | 0.5495 |
| 0.15 | 54.0 | 0.8171 | 0.6416 |
| 0.15 | 66.0 | 0.5467 | 0.4723 |
| 0.15 | 306.0 | -0.5574 | 0.4972 |
| 0.25 | 54.0 | 0.4708 | 0.5653 |
| 0.25 | 66.0 | -0.3481 | 0.4071 |
| 0.25 | 78.0 | 0.3465 | 0.7366 |
| 0.25 | 294.0 | 0.6746 | 0.7361 |
| 0.25 | 306.0 | 0.9719 | 0.7075 |
| 0.35 | 54.0 | -0.627 | 0.5529 |
| 0.35 | 66.0 | -0.0066 | 0.4994 |
| 0.35 | 78.0 | 0.4493 | 0.6763 |
| 0.35 | 294.0 | -0.2429 | 0.6358 |
| 0.45 | 54.0 | -0.698 | 0.6254 |
| 0.45 | 66.0 | 0.0202 | 0.6029 |
| 0.45 | 78.0 | 0.4357 | 0.6675 |
| 0.45 | 282.0 | 0.1932 | 0.4913 |
| 0.45 | 294.0 | 0.3408 | 0.6264 |
| 0.55 | 66.0 | 1.3882 | 0.8454 |
| 0.55 | 78.0 | 0.0315 | 0.6058 |
| 0.55 | 90.0 | 0.5901 | 0.6583 |
| 0.55 | 270.0 | 0.726 | 0.5644 |
| 0.55 | 282.0 | -0.0119 | 0.4302 |
| 0.55 | 294.0 | -0.1553 | 0.4636 |
| 0.65 | 66.0 | 0.5879 | 0.6314 |
| 0.65 | 78.0 | 0.1885 | 0.4489 |
| 0.65 | 90.0 | -0.6091 | 0.3706 |
| 0.65 | 102.0 | -0.09 | 0.5186 |
| 0.65 | 258.0 | 0.8538 | 0.6496 |
| 0.65 | 270.0 | 0.4367 | 0.4024 |
| 0.65 | 282.0 | 1.4795 | 0.4363 |
| 0.65 | 294.0 | -0.4959 | 0.3635 |
| 0.65 | 306.0 | -0.0285 | 0.5787 |
| 0.75 | 66.0 | 0.2897 | 0.4262 |
| 0.75 | 78.0 | -0.4437 | 0.2925 |
| 0.75 | 90.0 | -0.2215 | 0.3238 |
| 0.75 | 102.0 | -0.1662 | 0.3687 |
| 0.75 | 114.0 | 0.4425 | 0.4796 |
| 0.75 | 246.0 | 0.7887 | 0.5635 |
| 0.75 | 258.0 | -0.1233 | 0.3328 |
| 0.75 | 270.0 | 0.267 | 0.3157 |
| 0.75 | 282.0 | -0.2662 | 0.3168 |
| 0.75 | 294.0 | 0.6395 | 0.3925 |
| 0.75 | 306.0 | -0.9049 | 0.3374 |
| 0.85 | 54.0 | -0.1422 | 0.5876 |
| 0.85 | 66.0 | -0.3554 | 0.331 |
| 0.85 | 78.0 | 0.745 | 0.3461 |
| 0.85 | 90.0 | 0.5001 | 0.3391 |
| 0.85 | 102.0 | 0.3497 | 0.3487 |
| 0.85 | 114.0 | 0.06 | 0.3524 |
| 0.85 | 126.0 | -0.131 | 0.4363 |
| 0.85 | 138.0 | 0.4425 | 0.8266 |
| 0.85 | 222.0 | 0.9299 | 0.6654 |
| 0.85 | 234.0 | -0.0434 | 0.4131 |
| 0.85 | 246.0 | 0.8841 | 0.4528 |
| 0.85 | 258.0 | -0.0086 | 0.3278 |
| 0.85 | 270.0 | -0.244 | 0.2893 |
| 0.85 | 282.0 | -0.3305 | 0.282 |
| 0.85 | 294.0 | -0.0309 | 0.2993 |
| 0.85 | 306.0 | -0.6011 | 0.2854 |
| 0.85 | 318.0 | 0.1414 | 0.605 |
| 0.95 | 42.0 | -0.3998 | 0.5843 |
| 0.95 | 54.0 | 0.6148 | 0.5788 |
| 0.95 | 66.0 | -0.3826 | 0.3388 |
| 0.95 | 78.0 | 0.0741 | 0.371 |
| 0.95 | 90.0 | -0.1878 | 0.3941 |
| 0.95 | 102.0 | -0.3188 | 0.3257 |
| 0.95 | 114.0 | 0.3556 | 0.4012 |
| 0.95 | 126.0 | -0.2059 | 0.3788 |
| 0.95 | 138.0 | -0.6004 | 0.456 |
| 0.95 | 150.0 | 0.5239 | 0.5521 |
| 0.95 | 162.0 | -0.3462 | 0.6124 |
| 0.95 | 186.0 | -0.2409 | 0.6704 |
| 0.95 | 210.0 | -0.1815 | 0.5967 |
| 0.95 | 222.0 | 0.8733 | 0.6157 |
| 0.95 | 234.0 | -0.9777 | 0.3677 |
| 0.95 | 246.0 | -0.0248 | 0.3964 |
| 0.95 | 258.0 | -0.7126 | 0.3384 |
| 0.95 | 270.0 | -0.0665 | 0.3718 |
| 0.95 | 282.0 | -0.2501 | 0.335 |
| 0.95 | 294.0 | 1.2668 | 0.4388 |
| 0.95 | 306.0 | 0.5495 | 0.431 |
| 0.95 | 318.0 | -0.781 | 0.3556 |
| 0.95 | 330.0 | 0.0126 | 0.5437 |
Experiment comment: