Measurement E151M1037
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.2314 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.948 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| -0.15 | 30.0 | -0.079 | 0.8077 |
| -0.05 | 30.0 | 1.3039 | 0.7911 |
| 0.05 | 30.0 | 0.3974 | 0.8244 |
| 0.05 | 54.0 | 0.6014 | 0.7921 |
| 0.05 | 66.0 | 0.0597 | 0.6516 |
| 0.05 | 294.0 | 0.5322 | 0.8494 |
| 0.05 | 306.0 | -0.9191 | 0.527 |
| 0.15 | 18.0 | 0.1179 | 0.6654 |
| 0.15 | 30.0 | 0.0772 | 0.7308 |
| 0.15 | 54.0 | 1.2677 | 0.5922 |
| 0.15 | 66.0 | 0.3846 | 0.5027 |
| 0.15 | 78.0 | -0.4769 | 0.6967 |
| 0.15 | 282.0 | -1.4671 | 0.4856 |
| 0.15 | 294.0 | 0.4377 | 0.5216 |
| 0.15 | 306.0 | -0.7721 | 0.4351 |
| 0.25 | 54.0 | 0.0707 | 0.4925 |
| 0.25 | 66.0 | -0.1004 | 0.3905 |
| 0.25 | 78.0 | -0.54 | 0.4349 |
| 0.25 | 282.0 | 0.1475 | 0.4108 |
| 0.25 | 294.0 | -0.1163 | 0.3655 |
| 0.25 | 306.0 | -0.4346 | 0.3979 |
| 0.35 | 54.0 | 0.8194 | 0.5759 |
| 0.35 | 66.0 | 0.5009 | 0.4038 |
| 0.35 | 78.0 | 0.3332 | 0.4385 |
| 0.35 | 102.0 | -0.4491 | 0.7168 |
| 0.35 | 270.0 | -0.5213 | 0.4308 |
| 0.35 | 282.0 | 0.1032 | 0.3527 |
| 0.35 | 294.0 | 0.1072 | 0.3372 |
| 0.35 | 306.0 | -1.2908 | 0.3462 |
| 0.45 | 54.0 | -0.2775 | 0.5797 |
| 0.45 | 66.0 | -1.2389 | 0.3167 |
| 0.45 | 78.0 | 1.3705 | 0.5132 |
| 0.45 | 90.0 | -0.8038 | 0.4067 |
| 0.45 | 102.0 | -0.6243 | 0.4965 |
| 0.45 | 114.0 | 0.5552 | 0.7196 |
| 0.45 | 258.0 | 0.2816 | 0.6087 |
| 0.45 | 270.0 | 0.222 | 0.4514 |
| 0.45 | 282.0 | 0.3564 | 0.3733 |
| 0.45 | 294.0 | -0.9977 | 0.2695 |
| 0.45 | 306.0 | -0.4042 | 0.7055 |
| 0.45 | 318.0 | 0.3705 | 0.9645 |
| 0.55 | 54.0 | 0.6823 | 0.511 |
| 0.55 | 66.0 | -0.0865 | 0.5093 |
| 0.55 | 78.0 | -0.0165 | 0.4333 |
| 0.55 | 90.0 | 0.2755 | 0.4904 |
| 0.55 | 102.0 | -0.4131 | 0.3702 |
| 0.55 | 114.0 | -0.3936 | 0.3212 |
| 0.55 | 126.0 | -0.1328 | 0.5734 |
| 0.55 | 234.0 | 0.4952 | 0.6939 |
| 0.55 | 246.0 | -0.6908 | 0.5041 |
| 0.55 | 258.0 | 0.6389 | 0.505 |
| 0.55 | 270.0 | 0.1825 | 0.4348 |
| 0.55 | 282.0 | 0.6621 | 0.3824 |
| 0.55 | 294.0 | -0.2609 | 0.5174 |
| 0.55 | 306.0 | -0.2217 | 0.4189 |
| 0.65 | 54.0 | 0.7999 | 0.6037 |
| 0.65 | 66.0 | -0.572 | 0.5955 |
| 0.65 | 78.0 | -1.0831 | 0.3956 |
| 0.65 | 90.0 | 0.8887 | 0.3857 |
| 0.65 | 102.0 | 0.0676 | 0.3107 |
| 0.65 | 114.0 | 0.2807 | 0.3573 |
| 0.65 | 126.0 | -0.5008 | 0.371 |
| 0.65 | 138.0 | -0.0013 | 0.5258 |
| 0.65 | 198.0 | 0.2593 | 0.8116 |
| 0.65 | 210.0 | 0.5634 | 0.6777 |
| 0.65 | 222.0 | 1.18 | 0.6154 |
| 0.65 | 234.0 | 0.9278 | 0.4229 |
| 0.65 | 246.0 | 0.7219 | 0.3991 |
| 0.65 | 258.0 | 0.4678 | 0.4273 |
| 0.65 | 270.0 | 0.3454 | 0.4145 |
| 0.65 | 282.0 | -0.487 | 0.471 |
| 0.65 | 294.0 | 0.6146 | 0.5115 |
| 0.65 | 306.0 | -0.1318 | 0.3419 |
| 0.75 | 66.0 | -0.2646 | 0.514 |
| 0.75 | 78.0 | 0.1942 | 0.5928 |
| 0.75 | 90.0 | -0.3066 | 0.2946 |
| 0.75 | 102.0 | 0.263 | 0.2905 |
| 0.75 | 114.0 | -0.3632 | 0.293 |
| 0.75 | 126.0 | -0.4626 | 0.3395 |
| 0.75 | 138.0 | 0.1947 | 0.4503 |
| 0.75 | 150.0 | -0.9408 | 0.4714 |
| 0.75 | 162.0 | -1.2629 | 0.5329 |
| 0.75 | 174.0 | -0.5218 | 0.6635 |
| 0.75 | 186.0 | 1.1157 | 0.9616 |
| 0.75 | 198.0 | 0.4954 | 0.5595 |
| 0.75 | 210.0 | 0.3107 | 0.449 |
| 0.75 | 222.0 | 1.1537 | 0.3917 |
| 0.75 | 234.0 | 0.4038 | 0.3717 |
| 0.75 | 246.0 | 0.4248 | 0.3504 |
| 0.75 | 258.0 | 0.5889 | 0.3576 |
| 0.75 | 270.0 | 0.3786 | 0.3749 |
| 0.75 | 282.0 | -0.059 | 0.4881 |
| 0.75 | 294.0 | 0.4857 | 0.4873 |
| 0.85 | 66.0 | -0.1205 | 0.4305 |
| 0.85 | 78.0 | 0.1432 | 0.3272 |
| 0.85 | 90.0 | -0.3584 | 0.4172 |
| 0.85 | 102.0 | -0.252 | 0.3345 |
| 0.85 | 114.0 | -0.1441 | 0.3104 |
| 0.85 | 126.0 | -0.8104 | 0.3011 |
| 0.85 | 138.0 | -0.3163 | 0.4142 |
| 0.85 | 150.0 | -0.061 | 0.543 |
| 0.85 | 162.0 | -1.0851 | 0.5777 |
| 0.85 | 174.0 | 0.4782 | 0.8513 |
| 0.85 | 186.0 | 1.2614 | 0.6906 |
| 0.85 | 198.0 | 0.5212 | 0.4959 |
| 0.85 | 210.0 | 0.8763 | 0.4437 |
| 0.85 | 222.0 | 0.6871 | 0.3362 |
| 0.85 | 234.0 | 0.554 | 0.3151 |
| 0.85 | 246.0 | 0.8871 | 0.3041 |
| 0.85 | 258.0 | 0.0527 | 0.2882 |
| 0.85 | 270.0 | 0.2564 | 0.3681 |
| 0.85 | 282.0 | 0.4168 | 0.4245 |
| 0.85 | 294.0 | 0.2527 | 0.5029 |
| 0.95 | 66.0 | -0.4383 | 0.6049 |
| 0.95 | 78.0 | -0.4901 | 0.3488 |
| 0.95 | 90.0 | -0.8017 | 0.3409 |
| 0.95 | 102.0 | -0.644 | 0.5333 |
| 0.95 | 114.0 | -0.6064 | 0.602 |
| 0.95 | 126.0 | -0.4437 | 0.5356 |
| 0.95 | 138.0 | 0.0452 | 0.5812 |
| 0.95 | 150.0 | 0.7332 | 0.7785 |
| 0.95 | 162.0 | 0.0938 | 0.8152 |
| 0.95 | 174.0 | 0.8158 | 0.8308 |
| 0.95 | 186.0 | -0.0597 | 0.6736 |
| 0.95 | 198.0 | 0.2377 | 0.6032 |
| 0.95 | 210.0 | 0.4726 | 0.499 |
| 0.95 | 222.0 | 0.9377 | 0.4688 |
| 0.95 | 234.0 | 0.1036 | 0.3659 |
| 0.95 | 246.0 | 0.5622 | 0.3346 |
| 0.95 | 258.0 | 1.1941 | 0.3474 |
| 0.95 | 270.0 | 0.1522 | 0.3057 |
| 0.95 | 282.0 | 0.0521 | 0.2822 |
| 0.95 | 294.0 | 0.4128 | 0.4155 |
Experiment comment: