Measurement E151M2815
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0378 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.7648 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 42.0 | -0.193 | 0.2643 |
| 0.45 | 18.0 | -0.1602 | 0.252 |
| 0.45 | 30.0 | 0.3042 | 0.2118 |
| 0.45 | 42.0 | -0.2246 | 0.2379 |
| 0.45 | 138.0 | -0.0273 | 0.246 |
| 0.45 | 222.0 | -0.1301 | 0.2481 |
| 0.45 | 234.0 | -0.2033 | 0.2466 |
| 0.45 | 246.0 | -0.1709 | 0.2414 |
| 0.55 | 18.0 | 0.2194 | 0.2609 |
| 0.55 | 30.0 | 0.0196 | 0.2259 |
| 0.55 | 42.0 | 0.0171 | 0.217 |
| 0.55 | 126.0 | 0.0786 | 0.2255 |
| 0.55 | 138.0 | 0.1101 | 0.2146 |
| 0.55 | 150.0 | 0.3628 | 0.1948 |
| 0.55 | 162.0 | -0.0727 | 0.2347 |
| 0.55 | 210.0 | -0.2089 | 0.2507 |
| 0.55 | 222.0 | -0.0158 | 0.1948 |
| 0.55 | 234.0 | -0.4075 | 0.1828 |
| 0.55 | 246.0 | -0.293 | 0.2161 |
| 0.65 | 126.0 | -0.0207 | 0.2007 |
| 0.65 | 138.0 | -0.3654 | 0.1756 |
| 0.65 | 150.0 | 0.1414 | 0.231 |
| 0.65 | 162.0 | -0.2661 | 0.2161 |
| 0.65 | 198.0 | -0.2342 | 0.2663 |
| 0.65 | 210.0 | 0.2173 | 0.1966 |
| 0.65 | 222.0 | 0.1157 | 0.1767 |
| 0.65 | 234.0 | 0.151 | 0.1531 |
| 0.65 | 246.0 | -0.2106 | 0.1857 |
| 0.65 | 258.0 | -0.5305 | 0.2531 |
| 0.75 | 126.0 | 0.4949 | 0.2432 |
| 0.75 | 138.0 | -0.1199 | 0.2001 |
| 0.75 | 150.0 | 0.0959 | 0.2234 |
| 0.75 | 162.0 | 0.0872 | 0.2155 |
| 0.75 | 222.0 | -0.0169 | 0.1817 |
| 0.75 | 234.0 | -0.1024 | 0.166 |
| 0.75 | 246.0 | -0.2814 | 0.1597 |
| 0.75 | 258.0 | -0.3695 | 0.2336 |
| 0.85 | 114.0 | 0.1976 | 0.2176 |
| 0.85 | 126.0 | 0.2436 | 0.2277 |
| 0.85 | 138.0 | -0.2993 | 0.2453 |
| 0.85 | 210.0 | -0.0362 | 0.2405 |
| 0.85 | 222.0 | 0.0068 | 0.1954 |
| 0.85 | 234.0 | -0.351 | 0.1896 |
| 0.85 | 246.0 | 0.0186 | 0.1687 |
| 0.95 | 138.0 | -0.1823 | 0.2408 |
| 0.95 | 222.0 | -0.3914 | 0.272 |
| 0.95 | 234.0 | -0.4478 | 0.2553 |
| 0.25 | 30.0 | 0.3968 | 0.3419 |
| 0.25 | 42.0 | -0.5858 | 0.2393 |
| 0.35 | 30.0 | -0.2329 | 0.3711 |
| 0.35 | 42.0 | -0.3955 | 0.2613 |
| 0.35 | 54.0 | 0.1694 | 0.4253 |
| 0.45 | 18.0 | -0.1908 | 0.3175 |
| 0.45 | 30.0 | -0.3002 | 0.2827 |
| 0.45 | 42.0 | -0.345 | 0.2693 |
| 0.45 | 54.0 | 0.0278 | 0.4453 |
| 0.45 | 210.0 | -0.0105 | 0.3654 |
| 0.45 | 222.0 | 0.6081 | 0.2389 |
| 0.45 | 234.0 | -0.0293 | 0.3822 |
| 0.45 | 246.0 | 0.229 | 0.3972 |
| 0.55 | 30.0 | 0.0117 | 0.3521 |
| 0.55 | 42.0 | 0.138 | 0.3381 |
| 0.55 | 126.0 | -0.3987 | 0.2918 |
| 0.55 | 138.0 | -0.2923 | 0.2818 |
| 0.55 | 150.0 | 0.5965 | 0.2959 |
| 0.55 | 162.0 | 0.135 | 0.377 |
| 0.55 | 198.0 | 0.2258 | 0.3643 |
| 0.55 | 210.0 | 0.2815 | 0.3179 |
| 0.55 | 222.0 | -0.3527 | 0.2425 |
| 0.55 | 234.0 | 0.2469 | 0.2599 |
| 0.55 | 246.0 | 0.0235 | 0.3231 |
| 0.65 | 126.0 | 0.2177 | 0.3148 |
| 0.65 | 138.0 | 0.3753 | 0.2721 |
| 0.65 | 150.0 | 0.1497 | 0.248 |
| 0.65 | 174.0 | 0.4196 | 0.3915 |
| 0.65 | 210.0 | 0.1554 | 0.2951 |
| 0.65 | 222.0 | -0.1943 | 0.2402 |
| 0.65 | 234.0 | 0.3124 | 0.2045 |
| 0.65 | 246.0 | 0.3841 | 0.2125 |
| 0.75 | 126.0 | -0.122 | 0.3702 |
| 0.75 | 138.0 | 0.2412 | 0.3924 |
| 0.75 | 150.0 | 0.635 | 0.2493 |
| 0.75 | 162.0 | -0.0075 | 0.3757 |
| 0.75 | 210.0 | 0.5785 | 0.2169 |
| 0.75 | 222.0 | -0.4783 | 0.2065 |
| 0.75 | 234.0 | -0.0064 | 0.2366 |
| 0.75 | 246.0 | -0.0431 | 0.2964 |
| 0.75 | 258.0 | 0.4767 | 0.3391 |
| 0.85 | 126.0 | 0.3488 | 0.2899 |
| 0.85 | 198.0 | -0.4224 | 0.305 |
| 0.85 | 210.0 | -0.3975 | 0.2957 |
| 0.85 | 222.0 | -0.5398 | 0.185 |
| 0.85 | 234.0 | -0.0756 | 0.2658 |
| 0.85 | 246.0 | 0.1153 | 0.2361 |
| 0.85 | 258.0 | -0.2366 | 0.3004 |
| 0.95 | 234.0 | -0.4535 | 0.3164 |
Experiment comment: