Measurement E151M2855
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0424 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.6677 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 138.0 | 0.2536 | 0.2237 |
| 0.55 | 210.0 | -0.0201 | 0.2776 |
| 0.55 | 222.0 | -0.4075 | 0.2474 |
| 0.55 | 234.0 | -0.0982 | 0.2555 |
| 0.55 | 246.0 | 0.1462 | 0.2194 |
| 0.65 | 138.0 | 0.1453 | 0.2349 |
| 0.65 | 150.0 | -0.0428 | 0.23 |
| 0.65 | 162.0 | -0.1023 | 0.2641 |
| 0.65 | 222.0 | 0.0375 | 0.2093 |
| 0.65 | 234.0 | 0.0827 | 0.2116 |
| 0.65 | 246.0 | 0.0353 | 0.2771 |
| 0.75 | 222.0 | 0.3085 | 0.2241 |
| 0.75 | 234.0 | 0.1698 | 0.2207 |
| 0.75 | 246.0 | 0.0808 | 0.2334 |
| 0.85 | 126.0 | -0.0586 | 0.2754 |
| 0.85 | 210.0 | 0.383 | 0.2645 |
| 0.85 | 222.0 | -0.0969 | 0.2523 |
| 0.85 | 234.0 | -0.1475 | 0.2128 |
| 0.85 | 246.0 | 0.1872 | 0.2096 |
| 0.45 | 30.0 | -0.7252 | 0.231 |
| 0.45 | 234.0 | 0.3004 | 0.2786 |
| 0.55 | 126.0 | 0.1582 | 0.3399 |
| 0.55 | 138.0 | -0.3285 | 0.315 |
| 0.55 | 210.0 | -0.2804 | 0.2985 |
| 0.55 | 222.0 | 0.5317 | 0.3449 |
| 0.55 | 234.0 | -0.0624 | 0.3452 |
| 0.55 | 246.0 | 0.2192 | 0.3217 |
| 0.65 | 150.0 | 0.4723 | 0.3461 |
| 0.65 | 210.0 | -0.0081 | 0.3327 |
| 0.65 | 222.0 | -0.2584 | 0.3684 |
| 0.65 | 234.0 | 0.4479 | 0.2403 |
| 0.65 | 246.0 | -0.6097 | 0.2294 |
| 0.75 | 162.0 | 0.1116 | 0.3756 |
| 0.75 | 210.0 | 0.4315 | 0.3755 |
| 0.75 | 222.0 | -0.4512 | 0.3539 |
| 0.75 | 234.0 | -0.2311 | 0.2984 |
| 0.75 | 246.0 | 0.2669 | 0.3538 |
| 0.85 | 210.0 | -0.3003 | 0.3197 |
| 0.85 | 222.0 | -0.135 | 0.3057 |
| 0.85 | 234.0 | -0.1854 | 0.3007 |
| 0.85 | 246.0 | -0.327 | 0.2561 |
| 0.85 | 258.0 | -0.2296 | 0.3723 |
| 0.95 | 234.0 | 0.0304 | 0.434 |
| 0.95 | 246.0 | -0.0867 | 0.3997 |
Experiment comment: