Measurement E151M2852
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0261 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.683 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 30.0 | -0.1392 | 0.2424 |
| 0.45 | 42.0 | 0.4336 | 0.2396 |
| 0.45 | 210.0 | -0.2037 | 0.2573 |
| 0.55 | 42.0 | -0.2555 | 0.2871 |
| 0.55 | 126.0 | 0.3482 | 0.2569 |
| 0.55 | 138.0 | -0.3311 | 0.2448 |
| 0.55 | 150.0 | 0.079 | 0.2589 |
| 0.55 | 162.0 | -0.1424 | 0.2826 |
| 0.55 | 210.0 | -0.1492 | 0.2752 |
| 0.55 | 222.0 | -0.0492 | 0.2403 |
| 0.55 | 234.0 | 0.1477 | 0.2425 |
| 0.55 | 246.0 | -0.3609 | 0.2384 |
| 0.65 | 138.0 | 0.0566 | 0.2258 |
| 0.65 | 150.0 | 0.2279 | 0.2177 |
| 0.65 | 162.0 | -0.2515 | 0.2366 |
| 0.65 | 210.0 | -0.4482 | 0.2175 |
| 0.65 | 234.0 | 0.241 | 0.2135 |
| 0.75 | 138.0 | 0.0067 | 0.2526 |
| 0.75 | 222.0 | -0.2479 | 0.261 |
| 0.75 | 234.0 | 0.0447 | 0.2429 |
| 0.75 | 246.0 | -0.1556 | 0.2478 |
| 0.85 | 126.0 | 0.172 | 0.2677 |
| 0.85 | 138.0 | 0.1382 | 0.256 |
| 0.85 | 222.0 | -0.3284 | 0.2068 |
| 0.85 | 234.0 | -0.1982 | 0.245 |
| 0.85 | 246.0 | 0.6884 | 0.2391 |
| 0.35 | 42.0 | 0.0534 | 0.3818 |
| 0.45 | 18.0 | 0.8126 | 0.2321 |
| 0.45 | 30.0 | 0.0939 | 0.2961 |
| 0.45 | 210.0 | 0.1974 | 0.3486 |
| 0.45 | 222.0 | 0.1209 | 0.3551 |
| 0.45 | 234.0 | 0.7381 | 0.1625 |
| 0.55 | 42.0 | -0.1693 | 0.3503 |
| 0.55 | 138.0 | 0.5054 | 0.3642 |
| 0.55 | 150.0 | -0.4233 | 0.3154 |
| 0.55 | 210.0 | 0.3053 | 0.3745 |
| 0.55 | 222.0 | 0.0677 | 0.2523 |
| 0.55 | 234.0 | 0.3739 | 0.2945 |
| 0.65 | 138.0 | -0.0292 | 0.3275 |
| 0.65 | 150.0 | 0.3175 | 0.3527 |
| 0.65 | 210.0 | -0.0594 | 0.3673 |
| 0.65 | 222.0 | 0.2293 | 0.3046 |
| 0.65 | 234.0 | 0.1605 | 0.2464 |
| 0.65 | 246.0 | 0.3333 | 0.3065 |
| 0.75 | 162.0 | -0.1693 | 0.3945 |
| 0.75 | 222.0 | -0.49 | 0.2263 |
| 0.75 | 234.0 | -0.1258 | 0.2657 |
| 0.75 | 246.0 | -0.3014 | 0.3008 |
| 0.85 | 138.0 | -0.3614 | 0.35 |
| 0.85 | 210.0 | 0.512 | 0.2686 |
| 0.85 | 222.0 | -0.6545 | 0.1992 |
| 0.85 | 234.0 | 0.2548 | 0.2992 |
| 0.85 | 246.0 | 0.3969 | 0.2689 |
Experiment comment: