Measurement E151M2017
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.3372 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9311 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.5367 | 0.6459 |
| 0.25 | 294.0 | -1.1699 | 0.5228 |
| 0.35 | 66.0 | -0.86 | 0.6648 |
| 0.35 | 78.0 | -1.4151 | 0.6124 |
| 0.45 | 66.0 | 0.0121 | 0.6215 |
| 0.45 | 294.0 | 0.0317 | 0.6635 |
| 0.55 | 66.0 | 0.5694 | 0.6877 |
| 0.55 | 270.0 | 0.0 | 0.7392 |
| 0.55 | 282.0 | 0.199 | 0.7143 |
| 0.65 | 102.0 | 0.8214 | 0.6063 |
| 0.65 | 114.0 | 0.9588 | 0.7064 |
| 0.65 | 126.0 | -0.5668 | 0.8528 |
| 0.65 | 246.0 | 0.2048 | 0.7526 |
| 0.65 | 258.0 | 0.5051 | 0.7163 |
| 0.65 | 270.0 | 0.0316 | 0.6133 |
| 0.75 | 90.0 | -0.5964 | 0.6661 |
| 0.75 | 102.0 | 0.6425 | 0.6532 |
| 0.75 | 114.0 | -0.1645 | 0.7111 |
| 0.75 | 126.0 | 0.084 | 0.6359 |
| 0.75 | 222.0 | 1.4968 | 0.7041 |
| 0.75 | 234.0 | 1.1494 | 0.6365 |
| 0.75 | 246.0 | -0.5395 | 0.7437 |
| 0.75 | 258.0 | 1.067 | 0.5042 |
| 0.75 | 270.0 | -0.1829 | 0.7857 |
| 0.75 | 282.0 | 0.8132 | 0.7023 |
| 0.85 | 90.0 | 0.883 | 0.7569 |
| 0.85 | 102.0 | 0.8023 | 0.6399 |
| 0.85 | 114.0 | 0.7823 | 0.6713 |
| 0.85 | 126.0 | 0.1383 | 0.6326 |
| 0.85 | 138.0 | 0.9057 | 0.8516 |
| 0.85 | 210.0 | -0.5897 | 0.9273 |
| 0.85 | 222.0 | -0.6593 | 0.7759 |
| 0.85 | 234.0 | -0.092 | 0.769 |
| 0.85 | 246.0 | -1.0514 | 0.6655 |
| 0.85 | 258.0 | 0.4577 | 0.6244 |
| 0.85 | 270.0 | -0.5148 | 0.5388 |
| 0.85 | 282.0 | 1.7715 | 0.5838 |
| 0.85 | 294.0 | 1.0251 | 0.7573 |
| 0.95 | 138.0 | 1.5467 | 1.4855 |
| 0.95 | 222.0 | 0.4483 | 1.3737 |
| 0.95 | 234.0 | -0.3939 | 1.3331 |
| 0.95 | 246.0 | 1.8384 | 1.1504 |
| 0.95 | 258.0 | -0.0938 | 1.0923 |
| 0.95 | 270.0 | 2.9564 | 0.9021 |
| 0.95 | 282.0 | 0.2742 | 0.931 |
| 0.35 | 282.0 | 0.562 | 1.158 |
| 0.35 | 294.0 | -2.087 | 0.8407 |
| 0.45 | 66.0 | -2.0412 | 1.174 |
| 0.45 | 282.0 | 0.3866 | 1.0004 |
| 0.65 | 102.0 | -0.1061 | 1.1965 |
| 0.65 | 246.0 | 1.0244 | 1.1464 |
| 0.65 | 258.0 | 0.4058 | 1.0764 |
| 0.65 | 270.0 | 2.2441 | 1.0073 |
| 0.75 | 90.0 | -0.7502 | 1.3333 |
| 0.75 | 102.0 | -0.0658 | 1.027 |
| 0.75 | 114.0 | -0.132 | 1.2236 |
| 0.75 | 126.0 | 0.0111 | 1.3756 |
| 0.75 | 246.0 | 0.6685 | 1.0277 |
| 0.75 | 258.0 | -0.235 | 0.967 |
| 0.75 | 270.0 | 0.6275 | 0.9811 |
| 0.85 | 78.0 | 1.3773 | 1.5099 |
| 0.85 | 102.0 | 0.0479 | 1.2612 |
| 0.85 | 114.0 | 0.1283 | 1.2188 |
| 0.85 | 126.0 | -1.1275 | 1.6784 |
| 0.85 | 138.0 | 1.757 | 1.5755 |
| 0.85 | 222.0 | -1.1197 | 1.3075 |
| 0.85 | 234.0 | -0.9993 | 1.4228 |
| 0.85 | 246.0 | 1.9773 | 1.0576 |
| 0.85 | 258.0 | -3.3594 | 0.9828 |
| 0.85 | 270.0 | 1.1332 | 0.9106 |
| 0.85 | 282.0 | -0.7656 | 1.1376 |
| 0.95 | 126.0 | -1.9124 | 5.0358 |
| 0.95 | 138.0 | -3.7017 | 4.4908 |
| 0.95 | 246.0 | 4.2956 | 3.6429 |
| 0.95 | 258.0 | 1.5675 | 3.3874 |
| 0.95 | 270.0 | -2.4246 | 2.867 |
| 0.95 | 282.0 | 5.0738 | 3.3991 |
Experiment comment: