Measurement E151M2722
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1549 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8894 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | 0.0994 | 0.2155 |
| 0.55 | 246.0 | -0.0743 | 0.362 |
| 0.55 | 258.0 | -0.1931 | 0.2585 |
| 0.55 | 270.0 | -0.4498 | 0.2909 |
| 0.65 | 126.0 | 0.2226 | 0.2961 |
| 0.65 | 138.0 | 0.7138 | 0.1753 |
| 0.65 | 222.0 | 0.3477 | 0.3248 |
| 0.65 | 234.0 | 0.1802 | 0.2448 |
| 0.65 | 246.0 | -0.2835 | 0.2295 |
| 0.65 | 258.0 | 0.1871 | 0.2519 |
| 0.65 | 270.0 | -0.5131 | 0.2118 |
| 0.75 | 114.0 | -0.0588 | 0.3068 |
| 0.75 | 126.0 | 0.5763 | 0.2086 |
| 0.75 | 138.0 | 0.3371 | 0.2442 |
| 0.75 | 150.0 | 0.2976 | 0.2698 |
| 0.75 | 162.0 | -0.0196 | 0.3599 |
| 0.75 | 210.0 | 0.3128 | 0.3474 |
| 0.75 | 222.0 | -0.6413 | 0.2153 |
| 0.75 | 234.0 | 0.2566 | 0.243 |
| 0.75 | 246.0 | 0.2377 | 0.2575 |
| 0.75 | 258.0 | 0.204 | 0.2238 |
| 0.75 | 270.0 | -0.2899 | 0.272 |
| 0.75 | 282.0 | -0.152 | 0.2923 |
| 0.85 | 114.0 | -0.1888 | 0.369 |
| 0.85 | 126.0 | -0.7408 | 0.1637 |
| 0.85 | 138.0 | -0.3354 | 0.2634 |
| 0.85 | 150.0 | 0.2523 | 0.3247 |
| 0.85 | 162.0 | -0.2821 | 0.3887 |
| 0.85 | 174.0 | -0.3534 | 0.3216 |
| 0.85 | 186.0 | -0.4014 | 0.3682 |
| 0.85 | 222.0 | -0.202 | 0.2562 |
| 0.85 | 234.0 | 0.2306 | 0.2289 |
| 0.85 | 246.0 | 0.01 | 0.2274 |
| 0.85 | 258.0 | 0.4504 | 0.1894 |
| 0.85 | 270.0 | 0.3024 | 0.2292 |
| 0.85 | 282.0 | 0.3557 | 0.3701 |
| 0.95 | 114.0 | 0.3422 | 0.3128 |
| 0.95 | 126.0 | 0.1355 | 0.3479 |
| 0.95 | 246.0 | 0.8344 | 0.1821 |
| 0.95 | 258.0 | -0.2262 | 0.3224 |
| 0.25 | 42.0 | 0.2522 | 0.223 |
| 0.45 | 30.0 | -0.1676 | 0.2539 |
| 0.55 | 246.0 | 0.0696 | 0.2131 |
| 0.55 | 258.0 | -0.0859 | 0.2448 |
| 0.55 | 270.0 | -0.0655 | 0.2205 |
| 0.65 | 126.0 | -0.0689 | 0.2685 |
| 0.65 | 138.0 | 0.0493 | 0.2168 |
| 0.65 | 150.0 | -0.1738 | 0.2552 |
| 0.65 | 222.0 | 0.3681 | 0.2405 |
| 0.65 | 234.0 | 0.0706 | 0.1688 |
| 0.65 | 246.0 | 0.0271 | 0.1552 |
| 0.65 | 258.0 | -0.1637 | 0.1696 |
| 0.65 | 270.0 | 0.1382 | 0.181 |
| 0.75 | 114.0 | -0.1917 | 0.29 |
| 0.75 | 126.0 | 0.3947 | 0.1941 |
| 0.75 | 138.0 | 0.1565 | 0.1694 |
| 0.75 | 150.0 | 0.249 | 0.2 |
| 0.75 | 162.0 | -0.1399 | 0.2318 |
| 0.75 | 222.0 | -0.0981 | 0.1957 |
| 0.75 | 234.0 | 0.0133 | 0.1629 |
| 0.75 | 246.0 | -0.109 | 0.1623 |
| 0.75 | 258.0 | -0.2075 | 0.1353 |
| 0.75 | 270.0 | 0.0668 | 0.2109 |
| 0.85 | 114.0 | -0.2796 | 0.241 |
| 0.85 | 126.0 | -0.0874 | 0.1995 |
| 0.85 | 138.0 | 0.1194 | 0.2084 |
| 0.85 | 150.0 | 0.2989 | 0.1943 |
| 0.85 | 162.0 | 0.1361 | 0.2196 |
| 0.85 | 174.0 | 0.2228 | 0.2238 |
| 0.85 | 210.0 | 0.0053 | 0.265 |
| 0.85 | 222.0 | -0.1013 | 0.1998 |
| 0.85 | 234.0 | -0.0945 | 0.1633 |
| 0.85 | 246.0 | 0.0846 | 0.141 |
| 0.85 | 258.0 | 0.123 | 0.1429 |
| 0.85 | 270.0 | -0.0793 | 0.1598 |
| 0.85 | 282.0 | -0.5106 | 0.2176 |
| 0.95 | 114.0 | 0.1113 | 0.2667 |
| 0.95 | 126.0 | -0.0203 | 0.2257 |
| 0.95 | 150.0 | -0.1047 | 0.2681 |
| 0.95 | 222.0 | 0.145 | 0.2616 |
| 0.95 | 234.0 | -0.5037 | 0.2094 |
| 0.95 | 246.0 | -0.2723 | 0.2001 |
| 0.95 | 258.0 | -0.0054 | 0.213 |
| 0.95 | 270.0 | 0.0347 | 0.2551 |
Experiment comment: