Measurement E151M3072
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1044 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8547 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.0716 | 0.2713 |
| 0.25 | 294.0 | -0.1069 | 0.2661 |
| 0.35 | 66.0 | 0.4067 | 0.2546 |
| 0.35 | 78.0 | 0.153 | 0.2148 |
| 0.35 | 270.0 | -0.1911 | 0.244 |
| 0.35 | 282.0 | 0.1901 | 0.2192 |
| 0.35 | 294.0 | 0.4186 | 0.2284 |
| 0.45 | 66.0 | -0.0528 | 0.2696 |
| 0.45 | 78.0 | -0.2048 | 0.2453 |
| 0.45 | 126.0 | 0.1119 | 0.2532 |
| 0.45 | 258.0 | 0.3395 | 0.2462 |
| 0.45 | 270.0 | 0.0784 | 0.1996 |
| 0.45 | 282.0 | 0.003 | 0.2157 |
| 0.45 | 294.0 | 0.4321 | 0.195 |
| 0.55 | 78.0 | 0.1748 | 0.2362 |
| 0.55 | 114.0 | -0.538 | 0.2066 |
| 0.55 | 126.0 | -0.0327 | 0.2175 |
| 0.55 | 138.0 | -0.0094 | 0.2902 |
| 0.55 | 150.0 | 0.2148 | 0.3101 |
| 0.55 | 210.0 | 0.1609 | 0.2767 |
| 0.55 | 222.0 | 0.0317 | 0.2307 |
| 0.55 | 234.0 | -0.0944 | 0.2427 |
| 0.55 | 258.0 | 0.2422 | 0.2393 |
| 0.55 | 270.0 | 0.0594 | 0.2192 |
| 0.55 | 282.0 | 0.3539 | 0.1972 |
| 0.55 | 294.0 | -0.5335 | 0.23 |
| 0.65 | 66.0 | -0.1406 | 0.2537 |
| 0.65 | 78.0 | 0.4912 | 0.2457 |
| 0.65 | 102.0 | 0.0962 | 0.2627 |
| 0.65 | 114.0 | 0.0298 | 0.2087 |
| 0.65 | 126.0 | 0.3132 | 0.2028 |
| 0.65 | 138.0 | -0.1805 | 0.2086 |
| 0.65 | 150.0 | -0.4009 | 0.2376 |
| 0.65 | 198.0 | -0.2209 | 0.254 |
| 0.65 | 222.0 | -0.2446 | 0.1855 |
| 0.65 | 234.0 | 0.2227 | 0.2158 |
| 0.65 | 246.0 | -0.0673 | 0.2352 |
| 0.65 | 282.0 | -0.2987 | 0.2955 |
| 0.65 | 294.0 | 0.0951 | 0.2228 |
| 0.65 | 306.0 | 0.2519 | 0.2541 |
| 0.75 | 66.0 | -0.3956 | 0.2426 |
| 0.75 | 102.0 | -0.0169 | 0.2539 |
| 0.75 | 114.0 | 0.0379 | 0.2026 |
| 0.75 | 126.0 | -0.0949 | 0.1893 |
| 0.75 | 138.0 | -0.3566 | 0.1971 |
| 0.75 | 150.0 | -0.1583 | 0.2416 |
| 0.75 | 162.0 | 0.0939 | 0.2817 |
| 0.75 | 198.0 | -0.1283 | 0.2709 |
| 0.75 | 210.0 | 0.2561 | 0.2329 |
| 0.75 | 222.0 | -0.1722 | 0.1786 |
| 0.75 | 234.0 | -0.0624 | 0.1497 |
| 0.75 | 246.0 | -0.1504 | 0.1927 |
| 0.75 | 282.0 | 0.0354 | 0.2145 |
| 0.75 | 294.0 | 0.0416 | 0.2271 |
| 0.85 | 90.0 | 0.5187 | 0.2214 |
| 0.85 | 102.0 | -0.2113 | 0.2232 |
| 0.85 | 114.0 | -0.4053 | 0.2419 |
| 0.85 | 126.0 | -0.1134 | 0.2475 |
| 0.85 | 138.0 | -0.1504 | 0.2786 |
| 0.85 | 198.0 | 0.164 | 0.245 |
| 0.85 | 210.0 | -0.2452 | 0.1961 |
| 0.85 | 222.0 | -0.3276 | 0.1833 |
| 0.85 | 234.0 | 0.0575 | 0.1705 |
| 0.85 | 246.0 | 0.0105 | 0.2024 |
| 0.85 | 258.0 | 0.2532 | 0.2681 |
| 0.95 | 114.0 | -0.0508 | 0.2808 |
| 0.95 | 126.0 | -0.3888 | 0.2514 |
| 0.95 | 222.0 | 0.3627 | 0.2178 |
| 0.95 | 234.0 | -0.0853 | 0.2287 |
| 0.95 | 246.0 | 0.0899 | 0.2104 |
| 0.95 | 258.0 | 0.0245 | 0.2709 |
Experiment comment: