Measurement E151M3545
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1681 | |
| Q2: | 0.205 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8991 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 270.0 | -0.3259 | 0.2571 |
| 0.35 | 66.0 | 0.0521 | 0.2314 |
| 0.35 | 270.0 | 0.4168 | 0.2373 |
| 0.35 | 282.0 | -0.0142 | 0.2297 |
| 0.35 | 294.0 | -0.2378 | 0.1986 |
| 0.45 | 102.0 | -0.0706 | 0.2407 |
| 0.45 | 114.0 | -0.2558 | 0.2184 |
| 0.45 | 126.0 | -0.1295 | 0.2536 |
| 0.45 | 270.0 | -0.1689 | 0.2481 |
| 0.45 | 282.0 | 0.2577 | 0.2081 |
| 0.55 | 42.0 | 0.3817 | 0.2567 |
| 0.55 | 54.0 | 0.1398 | 0.2329 |
| 0.55 | 90.0 | -0.2329 | 0.201 |
| 0.55 | 102.0 | -0.0544 | 0.1867 |
| 0.55 | 114.0 | -0.2761 | 0.2092 |
| 0.55 | 126.0 | -0.4884 | 0.194 |
| 0.55 | 138.0 | 0.3349 | 0.2172 |
| 0.55 | 222.0 | 0.3442 | 0.2565 |
| 0.55 | 234.0 | -0.1158 | 0.2524 |
| 0.55 | 270.0 | -0.0658 | 0.2029 |
| 0.55 | 282.0 | 0.2552 | 0.2298 |
| 0.55 | 306.0 | -0.2206 | 0.2383 |
| 0.65 | 90.0 | 0.6163 | 0.1506 |
| 0.65 | 102.0 | 0.0481 | 0.191 |
| 0.65 | 114.0 | 0.1572 | 0.1726 |
| 0.65 | 126.0 | -0.0793 | 0.1649 |
| 0.65 | 138.0 | 0.1045 | 0.1895 |
| 0.65 | 210.0 | -0.0207 | 0.2366 |
| 0.65 | 222.0 | -0.4109 | 0.1772 |
| 0.65 | 234.0 | 0.1734 | 0.2017 |
| 0.65 | 246.0 | 0.4751 | 0.2262 |
| 0.65 | 258.0 | -0.2585 | 0.2405 |
| 0.65 | 270.0 | -0.6001 | 0.1972 |
| 0.65 | 294.0 | 0.2308 | 0.1839 |
| 0.65 | 306.0 | 0.3073 | 0.1845 |
| 0.75 | 66.0 | -0.0008 | 0.2349 |
| 0.75 | 78.0 | 0.1119 | 0.1889 |
| 0.75 | 90.0 | 0.322 | 0.2126 |
| 0.75 | 102.0 | -0.0347 | 0.1757 |
| 0.75 | 114.0 | 0.0243 | 0.1816 |
| 0.75 | 126.0 | -0.2443 | 0.1843 |
| 0.75 | 138.0 | 0.0575 | 0.2259 |
| 0.75 | 174.0 | -0.3085 | 0.2581 |
| 0.75 | 186.0 | 0.1782 | 0.2581 |
| 0.75 | 198.0 | 0.3293 | 0.204 |
| 0.75 | 210.0 | -0.1151 | 0.1975 |
| 0.75 | 222.0 | -0.2098 | 0.1902 |
| 0.75 | 234.0 | 0.3822 | 0.1606 |
| 0.75 | 246.0 | 0.0816 | 0.239 |
| 0.75 | 258.0 | -0.0979 | 0.2412 |
| 0.75 | 282.0 | -0.1183 | 0.2183 |
| 0.75 | 294.0 | 0.1456 | 0.1839 |
| 0.75 | 306.0 | 0.098 | 0.2465 |
| 0.85 | 66.0 | 0.1037 | 0.211 |
| 0.85 | 78.0 | -0.0671 | 0.1568 |
| 0.85 | 90.0 | 0.0072 | 0.1662 |
| 0.85 | 102.0 | 0.2002 | 0.2256 |
| 0.85 | 114.0 | 0.2098 | 0.223 |
| 0.85 | 126.0 | 0.5745 | 0.175 |
| 0.85 | 138.0 | 0.1958 | 0.2309 |
| 0.85 | 186.0 | -0.65 | 0.1901 |
| 0.85 | 198.0 | -0.0368 | 0.1945 |
| 0.85 | 210.0 | -0.0583 | 0.1738 |
| 0.85 | 222.0 | -0.1312 | 0.1459 |
| 0.85 | 234.0 | -0.1903 | 0.1464 |
| 0.85 | 246.0 | 0.0174 | 0.1498 |
| 0.85 | 258.0 | 0.3546 | 0.1475 |
| 0.85 | 270.0 | 0.1151 | 0.2061 |
| 0.95 | 78.0 | -0.0379 | 0.225 |
| 0.95 | 90.0 | -0.4003 | 0.1929 |
| 0.95 | 102.0 | 0.0485 | 0.2322 |
| 0.95 | 186.0 | -0.2164 | 0.2553 |
| 0.95 | 198.0 | -0.2456 | 0.2247 |
| 0.95 | 210.0 | 0.2023 | 0.1857 |
| 0.95 | 222.0 | -0.3137 | 0.1672 |
| 0.95 | 234.0 | -0.0471 | 0.1971 |
| 0.95 | 246.0 | 0.2282 | 0.1552 |
| 0.95 | 258.0 | -0.2311 | 0.1434 |
| 0.95 | 270.0 | -0.1129 | 0.1637 |
| 0.95 | 282.0 | -0.0506 | 0.1903 |
Experiment comment: