Measurement E151M3099
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0418 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8314 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | 0.1675 | 0.2281 |
| 0.35 | 78.0 | 0.0462 | 0.2758 |
| 0.35 | 258.0 | -0.0616 | 0.2576 |
| 0.35 | 270.0 | -0.4497 | 0.2249 |
| 0.35 | 282.0 | 0.3563 | 0.2405 |
| 0.45 | 66.0 | 0.1972 | 0.2766 |
| 0.45 | 78.0 | -0.0935 | 0.2319 |
| 0.45 | 90.0 | 0.3894 | 0.2069 |
| 0.45 | 138.0 | 0.1468 | 0.2493 |
| 0.45 | 258.0 | -0.2486 | 0.2382 |
| 0.45 | 270.0 | 0.1695 | 0.2136 |
| 0.45 | 282.0 | 0.1338 | 0.2113 |
| 0.55 | 78.0 | -0.3145 | 0.2533 |
| 0.55 | 90.0 | 0.0924 | 0.2684 |
| 0.55 | 102.0 | -0.0426 | 0.2725 |
| 0.55 | 126.0 | 0.2458 | 0.241 |
| 0.55 | 138.0 | -0.1123 | 0.2424 |
| 0.55 | 198.0 | -0.2758 | 0.2557 |
| 0.55 | 210.0 | 0.1678 | 0.2559 |
| 0.55 | 222.0 | 0.5088 | 0.2274 |
| 0.55 | 234.0 | 0.0608 | 0.2702 |
| 0.55 | 246.0 | 0.2021 | 0.2576 |
| 0.55 | 258.0 | -0.0525 | 0.2146 |
| 0.55 | 270.0 | -0.011 | 0.2331 |
| 0.55 | 282.0 | -0.1124 | 0.2598 |
| 0.65 | 78.0 | 0.1978 | 0.2326 |
| 0.65 | 102.0 | 0.0108 | 0.2405 |
| 0.65 | 114.0 | -0.1142 | 0.2073 |
| 0.65 | 126.0 | -0.0146 | 0.2002 |
| 0.65 | 138.0 | 0.2738 | 0.2261 |
| 0.65 | 186.0 | 0.5155 | 0.2033 |
| 0.65 | 198.0 | 0.1098 | 0.2283 |
| 0.65 | 210.0 | 0.0936 | 0.253 |
| 0.65 | 222.0 | 0.426 | 0.2429 |
| 0.65 | 234.0 | -0.4441 | 0.215 |
| 0.65 | 246.0 | 0.0465 | 0.2851 |
| 0.65 | 270.0 | -0.117 | 0.2738 |
| 0.65 | 282.0 | 0.3137 | 0.2425 |
| 0.65 | 294.0 | 0.0236 | 0.2343 |
| 0.75 | 54.0 | 0.0839 | 0.273 |
| 0.75 | 66.0 | 0.0109 | 0.2277 |
| 0.75 | 78.0 | -0.1692 | 0.2417 |
| 0.75 | 90.0 | 0.5056 | 0.2251 |
| 0.75 | 114.0 | 0.2996 | 0.2101 |
| 0.75 | 126.0 | 0.422 | 0.2372 |
| 0.75 | 138.0 | 0.1107 | 0.2506 |
| 0.75 | 198.0 | 0.0218 | 0.2012 |
| 0.75 | 210.0 | 0.1436 | 0.2127 |
| 0.75 | 222.0 | 0.1056 | 0.2116 |
| 0.75 | 234.0 | -0.0111 | 0.2263 |
| 0.75 | 258.0 | 0.0111 | 0.2577 |
| 0.75 | 270.0 | 0.304 | 0.166 |
| 0.75 | 282.0 | 0.0402 | 0.1664 |
| 0.75 | 294.0 | -0.1992 | 0.2067 |
| 0.85 | 114.0 | 0.0801 | 0.1993 |
| 0.85 | 126.0 | 0.4389 | 0.2138 |
| 0.85 | 138.0 | 0.1606 | 0.2407 |
| 0.85 | 198.0 | -0.1951 | 0.2316 |
| 0.85 | 210.0 | 0.0507 | 0.2233 |
| 0.85 | 222.0 | 0.1114 | 0.2026 |
| 0.85 | 234.0 | -0.0591 | 0.2217 |
| 0.85 | 246.0 | -0.4112 | 0.2212 |
| 0.85 | 258.0 | -0.1754 | 0.2708 |
| 0.85 | 270.0 | 0.0403 | 0.2693 |
| 0.85 | 282.0 | -0.4766 | 0.2564 |
Experiment comment: